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silberj 12-06-2006 08:08 AM

TJ having a worsening "shimmy" problem
 
I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
lift. Driving the vehicle I realized it would take some getting used
too, and I have. Lately (last 4 mos or so) I have developed what I
classify as a severe "shimmy". The vehicle sometimes will steer a
little on me and requires a fair amount of extra concentration and
handling to keep it on the road. It is enhanced when I'm at speeds of
around 50 to 60 mph and either push on the accelerator or even worse
let off the gas (most reaction) It does have a steering stabilizer
which I have recently replaced and hasn't helped the problem. I really
love my jeep and love driving it, but it is becoming a safety hazard
and a chore to drive sometimes. I will be happy to provide as much more
info as I can to any of y'all that would like to try to help me out.


Thoth1126@gmail.com 12-06-2006 09:12 AM

Re: TJ having a worsening "shimmy" problem
 
You know... Posts like this make me want to keep my stock height and
stock tires except for the fact that I got stuck offroading this
summer, but I might just put 33's with no lift if thats possible. As
for your shimmy - My 2002 pulls a bit to the right, but i attribute it
to the punishment I put it through (my first summer '06). Were you bad
this summer?


silberj wrote:
> I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
> year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
> lift. Driving the vehicle I realized it would take some getting used
> too, and I have. Lately (last 4 mos or so) I have developed what I
> classify as a severe "shimmy". The vehicle sometimes will steer a
> little on me and requires a fair amount of extra concentration and
> handling to keep it on the road. It is enhanced when I'm at speeds of
> around 50 to 60 mph and either push on the accelerator or even worse
> let off the gas (most reaction) It does have a steering stabilizer
> which I have recently replaced and hasn't helped the problem. I really
> love my jeep and love driving it, but it is becoming a safety hazard
> and a chore to drive sometimes. I will be happy to provide as much more
> info as I can to any of y'all that would like to try to help me out.



Thoth1126@gmail.com 12-06-2006 09:12 AM

Re: TJ having a worsening "shimmy" problem
 
You know... Posts like this make me want to keep my stock height and
stock tires except for the fact that I got stuck offroading this
summer, but I might just put 33's with no lift if thats possible. As
for your shimmy - My 2002 pulls a bit to the right, but i attribute it
to the punishment I put it through (my first summer '06). Were you bad
this summer?


silberj wrote:
> I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
> year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
> lift. Driving the vehicle I realized it would take some getting used
> too, and I have. Lately (last 4 mos or so) I have developed what I
> classify as a severe "shimmy". The vehicle sometimes will steer a
> little on me and requires a fair amount of extra concentration and
> handling to keep it on the road. It is enhanced when I'm at speeds of
> around 50 to 60 mph and either push on the accelerator or even worse
> let off the gas (most reaction) It does have a steering stabilizer
> which I have recently replaced and hasn't helped the problem. I really
> love my jeep and love driving it, but it is becoming a safety hazard
> and a chore to drive sometimes. I will be happy to provide as much more
> info as I can to any of y'all that would like to try to help me out.



Thoth1126@gmail.com 12-06-2006 09:12 AM

Re: TJ having a worsening "shimmy" problem
 
You know... Posts like this make me want to keep my stock height and
stock tires except for the fact that I got stuck offroading this
summer, but I might just put 33's with no lift if thats possible. As
for your shimmy - My 2002 pulls a bit to the right, but i attribute it
to the punishment I put it through (my first summer '06). Were you bad
this summer?


silberj wrote:
> I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
> year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
> lift. Driving the vehicle I realized it would take some getting used
> too, and I have. Lately (last 4 mos or so) I have developed what I
> classify as a severe "shimmy". The vehicle sometimes will steer a
> little on me and requires a fair amount of extra concentration and
> handling to keep it on the road. It is enhanced when I'm at speeds of
> around 50 to 60 mph and either push on the accelerator or even worse
> let off the gas (most reaction) It does have a steering stabilizer
> which I have recently replaced and hasn't helped the problem. I really
> love my jeep and love driving it, but it is becoming a safety hazard
> and a chore to drive sometimes. I will be happy to provide as much more
> info as I can to any of y'all that would like to try to help me out.



twaldron 12-06-2006 09:41 AM

Re: TJ having a worsening "shimmy" problem
 
silberj wrote:
> I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
> year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
> lift. Driving the vehicle I realized it would take some getting used
> too, and I have. Lately (last 4 mos or so) I have developed what I
> classify as a severe "shimmy". The vehicle sometimes will steer a
> little on me and requires a fair amount of extra concentration and
> handling to keep it on the road. It is enhanced when I'm at speeds of
> around 50 to 60 mph and either push on the accelerator or even worse
> let off the gas (most reaction) It does have a steering stabilizer
> which I have recently replaced and hasn't helped the problem. I really
> love my jeep and love driving it, but it is becoming a safety hazard
> and a chore to drive sometimes. I will be happy to provide as much more
> info as I can to any of y'all that would like to try to help me out.
>


The first place I'd look at is your Toe-In, you might be toed out too
much. Get that correct, then I'd look at your 33s for wear and being out
of balance. Borrow a stock set from someone to try. Just because to take
them to get balanced does not mean they were balanced.

tw
--
__________________________________________________ ___________________
2003 TJ Rubicon * 2001 XJ Sport * 1971 Bill Stroppe Baja Bronco

"There is a very fine line between 'hobby' and 'mental illness'."

Pronunciation: 'jEp Function: noun Date: 1940

Etymology: from g. p. (G= 'Government' P= '80 inch wheelbase')
A small general-purpose motor vehicle with 80" wheelbase, 1/4-ton
capacity and four-wheel drive used by the U.S. army in World War II.
__________________________________________________ ___________________

twaldron 12-06-2006 09:41 AM

Re: TJ having a worsening "shimmy" problem
 
silberj wrote:
> I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
> year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
> lift. Driving the vehicle I realized it would take some getting used
> too, and I have. Lately (last 4 mos or so) I have developed what I
> classify as a severe "shimmy". The vehicle sometimes will steer a
> little on me and requires a fair amount of extra concentration and
> handling to keep it on the road. It is enhanced when I'm at speeds of
> around 50 to 60 mph and either push on the accelerator or even worse
> let off the gas (most reaction) It does have a steering stabilizer
> which I have recently replaced and hasn't helped the problem. I really
> love my jeep and love driving it, but it is becoming a safety hazard
> and a chore to drive sometimes. I will be happy to provide as much more
> info as I can to any of y'all that would like to try to help me out.
>


The first place I'd look at is your Toe-In, you might be toed out too
much. Get that correct, then I'd look at your 33s for wear and being out
of balance. Borrow a stock set from someone to try. Just because to take
them to get balanced does not mean they were balanced.

tw
--
__________________________________________________ ___________________
2003 TJ Rubicon * 2001 XJ Sport * 1971 Bill Stroppe Baja Bronco

"There is a very fine line between 'hobby' and 'mental illness'."

Pronunciation: 'jEp Function: noun Date: 1940

Etymology: from g. p. (G= 'Government' P= '80 inch wheelbase')
A small general-purpose motor vehicle with 80" wheelbase, 1/4-ton
capacity and four-wheel drive used by the U.S. army in World War II.
__________________________________________________ ___________________

twaldron 12-06-2006 09:41 AM

Re: TJ having a worsening "shimmy" problem
 
silberj wrote:
> I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
> year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
> lift. Driving the vehicle I realized it would take some getting used
> too, and I have. Lately (last 4 mos or so) I have developed what I
> classify as a severe "shimmy". The vehicle sometimes will steer a
> little on me and requires a fair amount of extra concentration and
> handling to keep it on the road. It is enhanced when I'm at speeds of
> around 50 to 60 mph and either push on the accelerator or even worse
> let off the gas (most reaction) It does have a steering stabilizer
> which I have recently replaced and hasn't helped the problem. I really
> love my jeep and love driving it, but it is becoming a safety hazard
> and a chore to drive sometimes. I will be happy to provide as much more
> info as I can to any of y'all that would like to try to help me out.
>


The first place I'd look at is your Toe-In, you might be toed out too
much. Get that correct, then I'd look at your 33s for wear and being out
of balance. Borrow a stock set from someone to try. Just because to take
them to get balanced does not mean they were balanced.

tw
--
__________________________________________________ ___________________
2003 TJ Rubicon * 2001 XJ Sport * 1971 Bill Stroppe Baja Bronco

"There is a very fine line between 'hobby' and 'mental illness'."

Pronunciation: 'jEp Function: noun Date: 1940

Etymology: from g. p. (G= 'Government' P= '80 inch wheelbase')
A small general-purpose motor vehicle with 80" wheelbase, 1/4-ton
capacity and four-wheel drive used by the U.S. army in World War II.
__________________________________________________ ___________________

silberj 12-06-2006 09:50 AM

Re: TJ having a worsening "shimmy" problem
 
I will give the toe-in and balance a check. I have rotated them myself,
but never had them balanced. I did check the wear, and nothing jumped
out at me, but I'll take a closer look. I was not "bad" this summer, I
haven't had the opportunity to go offroading, although that is
definitely in the plan later on down the road. Hopefully the
toe-in/balance will do the trick, and I'll be sure to report back with
results.


twaldron wrote:
> silberj wrote:
> > I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
> > year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
> > lift. Driving the vehicle I realized it would take some getting used
> > too, and I have. Lately (last 4 mos or so) I have developed what I
> > classify as a severe "shimmy". The vehicle sometimes will steer a
> > little on me and requires a fair amount of extra concentration and
> > handling to keep it on the road. It is enhanced when I'm at speeds of
> > around 50 to 60 mph and either push on the accelerator or even worse
> > let off the gas (most reaction) It does have a steering stabilizer
> > which I have recently replaced and hasn't helped the problem. I really
> > love my jeep and love driving it, but it is becoming a safety hazard
> > and a chore to drive sometimes. I will be happy to provide as much more
> > info as I can to any of y'all that would like to try to help me out.
> >

>
> The first place I'd look at is your Toe-In, you might be toed out too
> much. Get that correct, then I'd look at your 33s for wear and being out
> of balance. Borrow a stock set from someone to try. Just because to take
> them to get balanced does not mean they were balanced.
>
> tw
> --
> __________________________________________________ ___________________
> 2003 TJ Rubicon * 2001 XJ Sport * 1971 Bill Stroppe Baja Bronco
>
> "There is a very fine line between 'hobby' and 'mental illness'."
>
> Pronunciation: 'jEp Function: noun Date: 1940
>
> Etymology: from g. p. (G= 'Government' P= '80 inch wheelbase')
> A small general-purpose motor vehicle with 80" wheelbase, 1/4-ton
> capacity and four-wheel drive used by the U.S. army in World War II.
> __________________________________________________ ___________________



silberj 12-06-2006 09:50 AM

Re: TJ having a worsening "shimmy" problem
 
I will give the toe-in and balance a check. I have rotated them myself,
but never had them balanced. I did check the wear, and nothing jumped
out at me, but I'll take a closer look. I was not "bad" this summer, I
haven't had the opportunity to go offroading, although that is
definitely in the plan later on down the road. Hopefully the
toe-in/balance will do the trick, and I'll be sure to report back with
results.


twaldron wrote:
> silberj wrote:
> > I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
> > year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
> > lift. Driving the vehicle I realized it would take some getting used
> > too, and I have. Lately (last 4 mos or so) I have developed what I
> > classify as a severe "shimmy". The vehicle sometimes will steer a
> > little on me and requires a fair amount of extra concentration and
> > handling to keep it on the road. It is enhanced when I'm at speeds of
> > around 50 to 60 mph and either push on the accelerator or even worse
> > let off the gas (most reaction) It does have a steering stabilizer
> > which I have recently replaced and hasn't helped the problem. I really
> > love my jeep and love driving it, but it is becoming a safety hazard
> > and a chore to drive sometimes. I will be happy to provide as much more
> > info as I can to any of y'all that would like to try to help me out.
> >

>
> The first place I'd look at is your Toe-In, you might be toed out too
> much. Get that correct, then I'd look at your 33s for wear and being out
> of balance. Borrow a stock set from someone to try. Just because to take
> them to get balanced does not mean they were balanced.
>
> tw
> --
> __________________________________________________ ___________________
> 2003 TJ Rubicon * 2001 XJ Sport * 1971 Bill Stroppe Baja Bronco
>
> "There is a very fine line between 'hobby' and 'mental illness'."
>
> Pronunciation: 'jEp Function: noun Date: 1940
>
> Etymology: from g. p. (G= 'Government' P= '80 inch wheelbase')
> A small general-purpose motor vehicle with 80" wheelbase, 1/4-ton
> capacity and four-wheel drive used by the U.S. army in World War II.
> __________________________________________________ ___________________



silberj 12-06-2006 09:50 AM

Re: TJ having a worsening "shimmy" problem
 
I will give the toe-in and balance a check. I have rotated them myself,
but never had them balanced. I did check the wear, and nothing jumped
out at me, but I'll take a closer look. I was not "bad" this summer, I
haven't had the opportunity to go offroading, although that is
definitely in the plan later on down the road. Hopefully the
toe-in/balance will do the trick, and I'll be sure to report back with
results.


twaldron wrote:
> silberj wrote:
> > I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
> > year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
> > lift. Driving the vehicle I realized it would take some getting used
> > too, and I have. Lately (last 4 mos or so) I have developed what I
> > classify as a severe "shimmy". The vehicle sometimes will steer a
> > little on me and requires a fair amount of extra concentration and
> > handling to keep it on the road. It is enhanced when I'm at speeds of
> > around 50 to 60 mph and either push on the accelerator or even worse
> > let off the gas (most reaction) It does have a steering stabilizer
> > which I have recently replaced and hasn't helped the problem. I really
> > love my jeep and love driving it, but it is becoming a safety hazard
> > and a chore to drive sometimes. I will be happy to provide as much more
> > info as I can to any of y'all that would like to try to help me out.
> >

>
> The first place I'd look at is your Toe-In, you might be toed out too
> much. Get that correct, then I'd look at your 33s for wear and being out
> of balance. Borrow a stock set from someone to try. Just because to take
> them to get balanced does not mean they were balanced.
>
> tw
> --
> __________________________________________________ ___________________
> 2003 TJ Rubicon * 2001 XJ Sport * 1971 Bill Stroppe Baja Bronco
>
> "There is a very fine line between 'hobby' and 'mental illness'."
>
> Pronunciation: 'jEp Function: noun Date: 1940
>
> Etymology: from g. p. (G= 'Government' P= '80 inch wheelbase')
> A small general-purpose motor vehicle with 80" wheelbase, 1/4-ton
> capacity and four-wheel drive used by the U.S. army in World War II.
> __________________________________________________ ___________________



Mike Romain 12-06-2006 11:11 AM

Re: TJ having a worsening "shimmy" problem
 
The first place I look on a TJ for shimmy is the track bar bushings.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)

silberj wrote:
>
> I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
> year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
> lift. Driving the vehicle I realized it would take some getting used
> too, and I have. Lately (last 4 mos or so) I have developed what I
> classify as a severe "shimmy". The vehicle sometimes will steer a
> little on me and requires a fair amount of extra concentration and
> handling to keep it on the road. It is enhanced when I'm at speeds of
> around 50 to 60 mph and either push on the accelerator or even worse
> let off the gas (most reaction) It does have a steering stabilizer
> which I have recently replaced and hasn't helped the problem. I really
> love my jeep and love driving it, but it is becoming a safety hazard
> and a chore to drive sometimes. I will be happy to provide as much more
> info as I can to any of y'all that would like to try to help me out.


Mike Romain 12-06-2006 11:11 AM

Re: TJ having a worsening "shimmy" problem
 
The first place I look on a TJ for shimmy is the track bar bushings.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)

silberj wrote:
>
> I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
> year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
> lift. Driving the vehicle I realized it would take some getting used
> too, and I have. Lately (last 4 mos or so) I have developed what I
> classify as a severe "shimmy". The vehicle sometimes will steer a
> little on me and requires a fair amount of extra concentration and
> handling to keep it on the road. It is enhanced when I'm at speeds of
> around 50 to 60 mph and either push on the accelerator or even worse
> let off the gas (most reaction) It does have a steering stabilizer
> which I have recently replaced and hasn't helped the problem. I really
> love my jeep and love driving it, but it is becoming a safety hazard
> and a chore to drive sometimes. I will be happy to provide as much more
> info as I can to any of y'all that would like to try to help me out.


Mike Romain 12-06-2006 11:11 AM

Re: TJ having a worsening "shimmy" problem
 
The first place I look on a TJ for shimmy is the track bar bushings.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)

silberj wrote:
>
> I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
> year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
> lift. Driving the vehicle I realized it would take some getting used
> too, and I have. Lately (last 4 mos or so) I have developed what I
> classify as a severe "shimmy". The vehicle sometimes will steer a
> little on me and requires a fair amount of extra concentration and
> handling to keep it on the road. It is enhanced when I'm at speeds of
> around 50 to 60 mph and either push on the accelerator or even worse
> let off the gas (most reaction) It does have a steering stabilizer
> which I have recently replaced and hasn't helped the problem. I really
> love my jeep and love driving it, but it is becoming a safety hazard
> and a chore to drive sometimes. I will be happy to provide as much more
> info as I can to any of y'all that would like to try to help me out.


silberj 12-06-2006 05:13 PM

Re: TJ having a worsening "shimmy" problem
 
I have gotten advice to change the tires out to see if that is the
problem. I don't have that luxury right at the moment, but I have
something else to throw in the mix for all you jeepheads out there that
know much more about this than me. I drove around today and it was
pretty significant, but on the way home from work today, I decided to
put it 4WD for no good reason. I noticed that on the trip home (short
ride, about 6 miles), that after I put in 4WD, the shimmy and the
steering jerk were much less significant (although still there). How
does that figure into my problem? I really appreciate all the feedback,
I will definitely do what I can to get to the bottom of this, this
activity is driving me crazy. Thanks in advance.....

John


Thoth1126@gmail.com wrote:
> You know... Posts like this make me want to keep my stock height and
> stock tires except for the fact that I got stuck offroading this
> summer, but I might just put 33's with no lift if thats possible. As
> for your shimmy - My 2002 pulls a bit to the right, but i attribute it
> to the punishment I put it through (my first summer '06). Were you bad
> this summer?
>
>
> silberj wrote:
> > I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
> > year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
> > lift. Driving the vehicle I realized it would take some getting used
> > too, and I have. Lately (last 4 mos or so) I have developed what I
> > classify as a severe "shimmy". The vehicle sometimes will steer a
> > little on me and requires a fair amount of extra concentration and
> > handling to keep it on the road. It is enhanced when I'm at speeds of
> > around 50 to 60 mph and either push on the accelerator or even worse
> > let off the gas (most reaction) It does have a steering stabilizer
> > which I have recently replaced and hasn't helped the problem. I really
> > love my jeep and love driving it, but it is becoming a safety hazard
> > and a chore to drive sometimes. I will be happy to provide as much more
> > info as I can to any of y'all that would like to try to help me out.



silberj 12-06-2006 05:13 PM

Re: TJ having a worsening "shimmy" problem
 
I have gotten advice to change the tires out to see if that is the
problem. I don't have that luxury right at the moment, but I have
something else to throw in the mix for all you jeepheads out there that
know much more about this than me. I drove around today and it was
pretty significant, but on the way home from work today, I decided to
put it 4WD for no good reason. I noticed that on the trip home (short
ride, about 6 miles), that after I put in 4WD, the shimmy and the
steering jerk were much less significant (although still there). How
does that figure into my problem? I really appreciate all the feedback,
I will definitely do what I can to get to the bottom of this, this
activity is driving me crazy. Thanks in advance.....

John


Thoth1126@gmail.com wrote:
> You know... Posts like this make me want to keep my stock height and
> stock tires except for the fact that I got stuck offroading this
> summer, but I might just put 33's with no lift if thats possible. As
> for your shimmy - My 2002 pulls a bit to the right, but i attribute it
> to the punishment I put it through (my first summer '06). Were you bad
> this summer?
>
>
> silberj wrote:
> > I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
> > year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
> > lift. Driving the vehicle I realized it would take some getting used
> > too, and I have. Lately (last 4 mos or so) I have developed what I
> > classify as a severe "shimmy". The vehicle sometimes will steer a
> > little on me and requires a fair amount of extra concentration and
> > handling to keep it on the road. It is enhanced when I'm at speeds of
> > around 50 to 60 mph and either push on the accelerator or even worse
> > let off the gas (most reaction) It does have a steering stabilizer
> > which I have recently replaced and hasn't helped the problem. I really
> > love my jeep and love driving it, but it is becoming a safety hazard
> > and a chore to drive sometimes. I will be happy to provide as much more
> > info as I can to any of y'all that would like to try to help me out.



silberj 12-06-2006 05:13 PM

Re: TJ having a worsening "shimmy" problem
 
I have gotten advice to change the tires out to see if that is the
problem. I don't have that luxury right at the moment, but I have
something else to throw in the mix for all you jeepheads out there that
know much more about this than me. I drove around today and it was
pretty significant, but on the way home from work today, I decided to
put it 4WD for no good reason. I noticed that on the trip home (short
ride, about 6 miles), that after I put in 4WD, the shimmy and the
steering jerk were much less significant (although still there). How
does that figure into my problem? I really appreciate all the feedback,
I will definitely do what I can to get to the bottom of this, this
activity is driving me crazy. Thanks in advance.....

John


Thoth1126@gmail.com wrote:
> You know... Posts like this make me want to keep my stock height and
> stock tires except for the fact that I got stuck offroading this
> summer, but I might just put 33's with no lift if thats possible. As
> for your shimmy - My 2002 pulls a bit to the right, but i attribute it
> to the punishment I put it through (my first summer '06). Were you bad
> this summer?
>
>
> silberj wrote:
> > I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
> > year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
> > lift. Driving the vehicle I realized it would take some getting used
> > too, and I have. Lately (last 4 mos or so) I have developed what I
> > classify as a severe "shimmy". The vehicle sometimes will steer a
> > little on me and requires a fair amount of extra concentration and
> > handling to keep it on the road. It is enhanced when I'm at speeds of
> > around 50 to 60 mph and either push on the accelerator or even worse
> > let off the gas (most reaction) It does have a steering stabilizer
> > which I have recently replaced and hasn't helped the problem. I really
> > love my jeep and love driving it, but it is becoming a safety hazard
> > and a chore to drive sometimes. I will be happy to provide as much more
> > info as I can to any of y'all that would like to try to help me out.



Mike Romain 12-06-2006 05:40 PM

Re: TJ having a worsening "shimmy" problem
 
You are 'soooo' lucky you didn't explode anything!!!!

I have seen a transfer case blown in half from doing that......

With your part time 4x4 system, the front and rear wheels are locked
together. When you corner, the wheels travel different distances so one
wheel has to scuff the ground or the drivetrain winds up and something
breaks....

I would for sure be looking close at the track bar bushings. You can do
it sitting in the seat. Put your head stable and eyeball something on
the ground that lines up with any crease or mark on your hood, the cut
the wheels side to side and watch. If the object moves, the track bar
has issues. That means the nose of the Jeep is moving side to side with
the steering, not the wheels just turning left to right.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)

silberj wrote:
>
> I have gotten advice to change the tires out to see if that is the
> problem. I don't have that luxury right at the moment, but I have
> something else to throw in the mix for all you jeepheads out there that
> know much more about this than me. I drove around today and it was
> pretty significant, but on the way home from work today, I decided to
> put it 4WD for no good reason. I noticed that on the trip home (short
> ride, about 6 miles), that after I put in 4WD, the shimmy and the
> steering jerk were much less significant (although still there). How
> does that figure into my problem? I really appreciate all the feedback,
> I will definitely do what I can to get to the bottom of this, this
> activity is driving me crazy. Thanks in advance.....
>
> John
>
> Thoth1126@gmail.com wrote:
> > You know... Posts like this make me want to keep my stock height and
> > stock tires except for the fact that I got stuck offroading this
> > summer, but I might just put 33's with no lift if thats possible. As
> > for your shimmy - My 2002 pulls a bit to the right, but i attribute it
> > to the punishment I put it through (my first summer '06). Were you bad
> > this summer?
> >
> >
> > silberj wrote:
> > > I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
> > > year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
> > > lift. Driving the vehicle I realized it would take some getting used
> > > too, and I have. Lately (last 4 mos or so) I have developed what I
> > > classify as a severe "shimmy". The vehicle sometimes will steer a
> > > little on me and requires a fair amount of extra concentration and
> > > handling to keep it on the road. It is enhanced when I'm at speeds of
> > > around 50 to 60 mph and either push on the accelerator or even worse
> > > let off the gas (most reaction) It does have a steering stabilizer
> > > which I have recently replaced and hasn't helped the problem. I really
> > > love my jeep and love driving it, but it is becoming a safety hazard
> > > and a chore to drive sometimes. I will be happy to provide as much more
> > > info as I can to any of y'all that would like to try to help me out.


Mike Romain 12-06-2006 05:40 PM

Re: TJ having a worsening "shimmy" problem
 
You are 'soooo' lucky you didn't explode anything!!!!

I have seen a transfer case blown in half from doing that......

With your part time 4x4 system, the front and rear wheels are locked
together. When you corner, the wheels travel different distances so one
wheel has to scuff the ground or the drivetrain winds up and something
breaks....

I would for sure be looking close at the track bar bushings. You can do
it sitting in the seat. Put your head stable and eyeball something on
the ground that lines up with any crease or mark on your hood, the cut
the wheels side to side and watch. If the object moves, the track bar
has issues. That means the nose of the Jeep is moving side to side with
the steering, not the wheels just turning left to right.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)

silberj wrote:
>
> I have gotten advice to change the tires out to see if that is the
> problem. I don't have that luxury right at the moment, but I have
> something else to throw in the mix for all you jeepheads out there that
> know much more about this than me. I drove around today and it was
> pretty significant, but on the way home from work today, I decided to
> put it 4WD for no good reason. I noticed that on the trip home (short
> ride, about 6 miles), that after I put in 4WD, the shimmy and the
> steering jerk were much less significant (although still there). How
> does that figure into my problem? I really appreciate all the feedback,
> I will definitely do what I can to get to the bottom of this, this
> activity is driving me crazy. Thanks in advance.....
>
> John
>
> Thoth1126@gmail.com wrote:
> > You know... Posts like this make me want to keep my stock height and
> > stock tires except for the fact that I got stuck offroading this
> > summer, but I might just put 33's with no lift if thats possible. As
> > for your shimmy - My 2002 pulls a bit to the right, but i attribute it
> > to the punishment I put it through (my first summer '06). Were you bad
> > this summer?
> >
> >
> > silberj wrote:
> > > I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
> > > year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
> > > lift. Driving the vehicle I realized it would take some getting used
> > > too, and I have. Lately (last 4 mos or so) I have developed what I
> > > classify as a severe "shimmy". The vehicle sometimes will steer a
> > > little on me and requires a fair amount of extra concentration and
> > > handling to keep it on the road. It is enhanced when I'm at speeds of
> > > around 50 to 60 mph and either push on the accelerator or even worse
> > > let off the gas (most reaction) It does have a steering stabilizer
> > > which I have recently replaced and hasn't helped the problem. I really
> > > love my jeep and love driving it, but it is becoming a safety hazard
> > > and a chore to drive sometimes. I will be happy to provide as much more
> > > info as I can to any of y'all that would like to try to help me out.


Mike Romain 12-06-2006 05:40 PM

Re: TJ having a worsening "shimmy" problem
 
You are 'soooo' lucky you didn't explode anything!!!!

I have seen a transfer case blown in half from doing that......

With your part time 4x4 system, the front and rear wheels are locked
together. When you corner, the wheels travel different distances so one
wheel has to scuff the ground or the drivetrain winds up and something
breaks....

I would for sure be looking close at the track bar bushings. You can do
it sitting in the seat. Put your head stable and eyeball something on
the ground that lines up with any crease or mark on your hood, the cut
the wheels side to side and watch. If the object moves, the track bar
has issues. That means the nose of the Jeep is moving side to side with
the steering, not the wheels just turning left to right.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)

silberj wrote:
>
> I have gotten advice to change the tires out to see if that is the
> problem. I don't have that luxury right at the moment, but I have
> something else to throw in the mix for all you jeepheads out there that
> know much more about this than me. I drove around today and it was
> pretty significant, but on the way home from work today, I decided to
> put it 4WD for no good reason. I noticed that on the trip home (short
> ride, about 6 miles), that after I put in 4WD, the shimmy and the
> steering jerk were much less significant (although still there). How
> does that figure into my problem? I really appreciate all the feedback,
> I will definitely do what I can to get to the bottom of this, this
> activity is driving me crazy. Thanks in advance.....
>
> John
>
> Thoth1126@gmail.com wrote:
> > You know... Posts like this make me want to keep my stock height and
> > stock tires except for the fact that I got stuck offroading this
> > summer, but I might just put 33's with no lift if thats possible. As
> > for your shimmy - My 2002 pulls a bit to the right, but i attribute it
> > to the punishment I put it through (my first summer '06). Were you bad
> > this summer?
> >
> >
> > silberj wrote:
> > > I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
> > > year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
> > > lift. Driving the vehicle I realized it would take some getting used
> > > too, and I have. Lately (last 4 mos or so) I have developed what I
> > > classify as a severe "shimmy". The vehicle sometimes will steer a
> > > little on me and requires a fair amount of extra concentration and
> > > handling to keep it on the road. It is enhanced when I'm at speeds of
> > > around 50 to 60 mph and either push on the accelerator or even worse
> > > let off the gas (most reaction) It does have a steering stabilizer
> > > which I have recently replaced and hasn't helped the problem. I really
> > > love my jeep and love driving it, but it is becoming a safety hazard
> > > and a chore to drive sometimes. I will be happy to provide as much more
> > > info as I can to any of y'all that would like to try to help me out.


L.W.(Bill) Hughes III 12-06-2006 06:20 PM

Re: TJ having a worsening "shimmy" problem
 
You may need to replace your steering box, tie rod ends, ball
joints, wheel bearings, and Universal Joints, and out of align, but it
can't shimmy without a weak steering dampener. You may need two cover up
your modifications:
http://rustysoffroad.com/Merchant2/m...ode=sus_tj_kit
God Bless America, Bill O|||||||O
mailto:-------------------- http://www.----------.com/

silberj wrote:
>
> I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
> year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
> lift. Driving the vehicle I realized it would take some getting used
> too, and I have. Lately (last 4 mos or so) I have developed what I
> classify as a severe "shimmy". The vehicle sometimes will steer a
> little on me and requires a fair amount of extra concentration and
> handling to keep it on the road. It is enhanced when I'm at speeds of
> around 50 to 60 mph and either push on the accelerator or even worse
> let off the gas (most reaction) It does have a steering stabilizer
> which I have recently replaced and hasn't helped the problem. I really
> love my jeep and love driving it, but it is becoming a safety hazard
> and a chore to drive sometimes. I will be happy to provide as much more
> info as I can to any of y'all that would like to try to help me out.


L.W.(Bill) Hughes III 12-06-2006 06:20 PM

Re: TJ having a worsening "shimmy" problem
 
You may need to replace your steering box, tie rod ends, ball
joints, wheel bearings, and Universal Joints, and out of align, but it
can't shimmy without a weak steering dampener. You may need two cover up
your modifications:
http://rustysoffroad.com/Merchant2/m...ode=sus_tj_kit
God Bless America, Bill O|||||||O
mailto:-------------------- http://www.----------.com/

silberj wrote:
>
> I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
> year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
> lift. Driving the vehicle I realized it would take some getting used
> too, and I have. Lately (last 4 mos or so) I have developed what I
> classify as a severe "shimmy". The vehicle sometimes will steer a
> little on me and requires a fair amount of extra concentration and
> handling to keep it on the road. It is enhanced when I'm at speeds of
> around 50 to 60 mph and either push on the accelerator or even worse
> let off the gas (most reaction) It does have a steering stabilizer
> which I have recently replaced and hasn't helped the problem. I really
> love my jeep and love driving it, but it is becoming a safety hazard
> and a chore to drive sometimes. I will be happy to provide as much more
> info as I can to any of y'all that would like to try to help me out.


L.W.(Bill) Hughes III 12-06-2006 06:20 PM

Re: TJ having a worsening "shimmy" problem
 
You may need to replace your steering box, tie rod ends, ball
joints, wheel bearings, and Universal Joints, and out of align, but it
can't shimmy without a weak steering dampener. You may need two cover up
your modifications:
http://rustysoffroad.com/Merchant2/m...ode=sus_tj_kit
God Bless America, Bill O|||||||O
mailto:-------------------- http://www.----------.com/

silberj wrote:
>
> I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
> year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
> lift. Driving the vehicle I realized it would take some getting used
> too, and I have. Lately (last 4 mos or so) I have developed what I
> classify as a severe "shimmy". The vehicle sometimes will steer a
> little on me and requires a fair amount of extra concentration and
> handling to keep it on the road. It is enhanced when I'm at speeds of
> around 50 to 60 mph and either push on the accelerator or even worse
> let off the gas (most reaction) It does have a steering stabilizer
> which I have recently replaced and hasn't helped the problem. I really
> love my jeep and love driving it, but it is becoming a safety hazard
> and a chore to drive sometimes. I will be happy to provide as much more
> info as I can to any of y'all that would like to try to help me out.


Daniel Bibbens 12-06-2006 06:26 PM

Re: TJ having a worsening "shimmy" problem
 
Mike Romain <romainm@sympatico.ca> writes:

> You are 'soooo' lucky you didn't explode anything!!!!
>
> I have seen a transfer case blown in half from doing that......
>
> With your part time 4x4 system, the front and rear wheels are locked
> together. When you corner, the wheels travel different distances so one
> wheel has to scuff the ground or the drivetrain winds up and something
> breaks....
>
> I would for sure be looking close at the track bar bushings. You can do
> it sitting in the seat. Put your head stable and eyeball something on
> the ground that lines up with any crease or mark on your hood, the cut
> the wheels side to side and watch. If the object moves, the track bar
> has issues. That means the nose of the Jeep is moving side to side with
> the steering, not the wheels just turning left to right.
>
> Mike
> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> 88 Cherokee 235 BFG AT's
> Canadian Off Road Trips Photos: Non members can still view!
> Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
> (More Off Road album links at bottom of the view page)
>


With a TJ, you can go into 4Hi at highway speed even on the
highway. The owner's manual says as much. A shift into 4Lo requires a
speed of less than 3MPH.

If his rear diff is a limited-slip, that would account for the
reduction in "shimmy" since the LSD tends to resist a change in
direction favoring a a straight line instead.
--

Daniel Bibbens 12-06-2006 06:26 PM

Re: TJ having a worsening "shimmy" problem
 
Mike Romain <romainm@sympatico.ca> writes:

> You are 'soooo' lucky you didn't explode anything!!!!
>
> I have seen a transfer case blown in half from doing that......
>
> With your part time 4x4 system, the front and rear wheels are locked
> together. When you corner, the wheels travel different distances so one
> wheel has to scuff the ground or the drivetrain winds up and something
> breaks....
>
> I would for sure be looking close at the track bar bushings. You can do
> it sitting in the seat. Put your head stable and eyeball something on
> the ground that lines up with any crease or mark on your hood, the cut
> the wheels side to side and watch. If the object moves, the track bar
> has issues. That means the nose of the Jeep is moving side to side with
> the steering, not the wheels just turning left to right.
>
> Mike
> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> 88 Cherokee 235 BFG AT's
> Canadian Off Road Trips Photos: Non members can still view!
> Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
> (More Off Road album links at bottom of the view page)
>


With a TJ, you can go into 4Hi at highway speed even on the
highway. The owner's manual says as much. A shift into 4Lo requires a
speed of less than 3MPH.

If his rear diff is a limited-slip, that would account for the
reduction in "shimmy" since the LSD tends to resist a change in
direction favoring a a straight line instead.
--

Daniel Bibbens 12-06-2006 06:26 PM

Re: TJ having a worsening "shimmy" problem
 
Mike Romain <romainm@sympatico.ca> writes:

> You are 'soooo' lucky you didn't explode anything!!!!
>
> I have seen a transfer case blown in half from doing that......
>
> With your part time 4x4 system, the front and rear wheels are locked
> together. When you corner, the wheels travel different distances so one
> wheel has to scuff the ground or the drivetrain winds up and something
> breaks....
>
> I would for sure be looking close at the track bar bushings. You can do
> it sitting in the seat. Put your head stable and eyeball something on
> the ground that lines up with any crease or mark on your hood, the cut
> the wheels side to side and watch. If the object moves, the track bar
> has issues. That means the nose of the Jeep is moving side to side with
> the steering, not the wheels just turning left to right.
>
> Mike
> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> 88 Cherokee 235 BFG AT's
> Canadian Off Road Trips Photos: Non members can still view!
> Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
> (More Off Road album links at bottom of the view page)
>


With a TJ, you can go into 4Hi at highway speed even on the
highway. The owner's manual says as much. A shift into 4Lo requires a
speed of less than 3MPH.

If his rear diff is a limited-slip, that would account for the
reduction in "shimmy" since the LSD tends to resist a change in
direction favoring a a straight line instead.
--

Mike Romain 12-06-2006 06:32 PM

Re: TJ having a worsening "shimmy" problem
 
What drugs are you on these days Bill? I think you might want to have
the affects checked out.....

He stated below he recently changed the steering damper and that didn't
help...

Mike

"L.W.(Bill) ------ III" wrote:
>
> You may need to replace your steering box, tie rod ends, ball
> joints, wheel bearings, and Universal Joints, and out of align, but it
> can't shimmy without a weak steering dampener. You may need two cover up
> your modifications:
> http://rustysoffroad.com/Merchant2/m...ode=sus_tj_kit
> God Bless America, Bill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> silberj wrote:
> >
> > I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
> > year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
> > lift. Driving the vehicle I realized it would take some getting used
> > too, and I have. Lately (last 4 mos or so) I have developed what I
> > classify as a severe "shimmy". The vehicle sometimes will steer a
> > little on me and requires a fair amount of extra concentration and
> > handling to keep it on the road. It is enhanced when I'm at speeds of
> > around 50 to 60 mph and either push on the accelerator or even worse
> > let off the gas (most reaction) It does have a steering stabilizer
> > which I have recently replaced and hasn't helped the problem. I really
> > love my jeep and love driving it, but it is becoming a safety hazard
> > and a chore to drive sometimes. I will be happy to provide as much more
> > info as I can to any of y'all that would like to try to help me out.


Mike Romain 12-06-2006 06:32 PM

Re: TJ having a worsening "shimmy" problem
 
What drugs are you on these days Bill? I think you might want to have
the affects checked out.....

He stated below he recently changed the steering damper and that didn't
help...

Mike

"L.W.(Bill) ------ III" wrote:
>
> You may need to replace your steering box, tie rod ends, ball
> joints, wheel bearings, and Universal Joints, and out of align, but it
> can't shimmy without a weak steering dampener. You may need two cover up
> your modifications:
> http://rustysoffroad.com/Merchant2/m...ode=sus_tj_kit
> God Bless America, Bill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> silberj wrote:
> >
> > I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
> > year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
> > lift. Driving the vehicle I realized it would take some getting used
> > too, and I have. Lately (last 4 mos or so) I have developed what I
> > classify as a severe "shimmy". The vehicle sometimes will steer a
> > little on me and requires a fair amount of extra concentration and
> > handling to keep it on the road. It is enhanced when I'm at speeds of
> > around 50 to 60 mph and either push on the accelerator or even worse
> > let off the gas (most reaction) It does have a steering stabilizer
> > which I have recently replaced and hasn't helped the problem. I really
> > love my jeep and love driving it, but it is becoming a safety hazard
> > and a chore to drive sometimes. I will be happy to provide as much more
> > info as I can to any of y'all that would like to try to help me out.


Mike Romain 12-06-2006 06:32 PM

Re: TJ having a worsening "shimmy" problem
 
What drugs are you on these days Bill? I think you might want to have
the affects checked out.....

He stated below he recently changed the steering damper and that didn't
help...

Mike

"L.W.(Bill) ------ III" wrote:
>
> You may need to replace your steering box, tie rod ends, ball
> joints, wheel bearings, and Universal Joints, and out of align, but it
> can't shimmy without a weak steering dampener. You may need two cover up
> your modifications:
> http://rustysoffroad.com/Merchant2/m...ode=sus_tj_kit
> God Bless America, Bill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> silberj wrote:
> >
> > I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
> > year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
> > lift. Driving the vehicle I realized it would take some getting used
> > too, and I have. Lately (last 4 mos or so) I have developed what I
> > classify as a severe "shimmy". The vehicle sometimes will steer a
> > little on me and requires a fair amount of extra concentration and
> > handling to keep it on the road. It is enhanced when I'm at speeds of
> > around 50 to 60 mph and either push on the accelerator or even worse
> > let off the gas (most reaction) It does have a steering stabilizer
> > which I have recently replaced and hasn't helped the problem. I really
> > love my jeep and love driving it, but it is becoming a safety hazard
> > and a chore to drive sometimes. I will be happy to provide as much more
> > info as I can to any of y'all that would like to try to help me out.


Mike Romain 12-06-2006 07:00 PM

Re: TJ having a worsening "shimmy" problem
 
Daniel Bibbens wrote:
>
> Mike Romain <romainm@sympatico.ca> writes:
>
> > You are 'soooo' lucky you didn't explode anything!!!!
> >
> > I have seen a transfer case blown in half from doing that......
> >
> > With your part time 4x4 system, the front and rear wheels are locked
> > together. When you corner, the wheels travel different distances so one
> > wheel has to scuff the ground or the drivetrain winds up and something
> > breaks....
> >
> > I would for sure be looking close at the track bar bushings. You can do
> > it sitting in the seat. Put your head stable and eyeball something on
> > the ground that lines up with any crease or mark on your hood, the cut
> > the wheels side to side and watch. If the object moves, the track bar
> > has issues. That means the nose of the Jeep is moving side to side with
> > the steering, not the wheels just turning left to right.
> >
> > Mike
> > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> > 88 Cherokee 235 BFG AT's
> > Canadian Off Road Trips Photos: Non members can still view!
> > Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
> > (More Off Road album links at bottom of the view page)
> >

>
> With a TJ, you can go into 4Hi at highway speed even on the
> highway. The owner's manual says as much. A shift into 4Lo requires a
> speed of less than 3MPH.
>
> If his rear diff is a limited-slip, that would account for the
> reduction in "shimmy" since the LSD tends to resist a change in
> direction favoring a a straight line instead.
> --


Sure you can 'shift on the fly into 4 high' on almost any Jeep on the
road these days including my 86 CJ7, the problem is the wheels 'must'
scuff the ground in order to not explode parts on the TJ's 'Part Time'
4x4 system if you vary from dead straight ahead.

Driveshafts turn into pretzels doing that if you are only lucky. If you
are 'very very' lucky you only explode a u-joint, not take out the yokes
too, my old roommate blew his t-case in half, literally, doing that....
Too much traction!!!

You only are supposed to go into 'Part Time' 4x4 when the roads are
slippery. Dirt or snow works fine, dry pavement doesn't...

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)

Mike Romain 12-06-2006 07:00 PM

Re: TJ having a worsening "shimmy" problem
 
Daniel Bibbens wrote:
>
> Mike Romain <romainm@sympatico.ca> writes:
>
> > You are 'soooo' lucky you didn't explode anything!!!!
> >
> > I have seen a transfer case blown in half from doing that......
> >
> > With your part time 4x4 system, the front and rear wheels are locked
> > together. When you corner, the wheels travel different distances so one
> > wheel has to scuff the ground or the drivetrain winds up and something
> > breaks....
> >
> > I would for sure be looking close at the track bar bushings. You can do
> > it sitting in the seat. Put your head stable and eyeball something on
> > the ground that lines up with any crease or mark on your hood, the cut
> > the wheels side to side and watch. If the object moves, the track bar
> > has issues. That means the nose of the Jeep is moving side to side with
> > the steering, not the wheels just turning left to right.
> >
> > Mike
> > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> > 88 Cherokee 235 BFG AT's
> > Canadian Off Road Trips Photos: Non members can still view!
> > Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
> > (More Off Road album links at bottom of the view page)
> >

>
> With a TJ, you can go into 4Hi at highway speed even on the
> highway. The owner's manual says as much. A shift into 4Lo requires a
> speed of less than 3MPH.
>
> If his rear diff is a limited-slip, that would account for the
> reduction in "shimmy" since the LSD tends to resist a change in
> direction favoring a a straight line instead.
> --


Sure you can 'shift on the fly into 4 high' on almost any Jeep on the
road these days including my 86 CJ7, the problem is the wheels 'must'
scuff the ground in order to not explode parts on the TJ's 'Part Time'
4x4 system if you vary from dead straight ahead.

Driveshafts turn into pretzels doing that if you are only lucky. If you
are 'very very' lucky you only explode a u-joint, not take out the yokes
too, my old roommate blew his t-case in half, literally, doing that....
Too much traction!!!

You only are supposed to go into 'Part Time' 4x4 when the roads are
slippery. Dirt or snow works fine, dry pavement doesn't...

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)

Mike Romain 12-06-2006 07:00 PM

Re: TJ having a worsening "shimmy" problem
 
Daniel Bibbens wrote:
>
> Mike Romain <romainm@sympatico.ca> writes:
>
> > You are 'soooo' lucky you didn't explode anything!!!!
> >
> > I have seen a transfer case blown in half from doing that......
> >
> > With your part time 4x4 system, the front and rear wheels are locked
> > together. When you corner, the wheels travel different distances so one
> > wheel has to scuff the ground or the drivetrain winds up and something
> > breaks....
> >
> > I would for sure be looking close at the track bar bushings. You can do
> > it sitting in the seat. Put your head stable and eyeball something on
> > the ground that lines up with any crease or mark on your hood, the cut
> > the wheels side to side and watch. If the object moves, the track bar
> > has issues. That means the nose of the Jeep is moving side to side with
> > the steering, not the wheels just turning left to right.
> >
> > Mike
> > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> > 88 Cherokee 235 BFG AT's
> > Canadian Off Road Trips Photos: Non members can still view!
> > Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
> > (More Off Road album links at bottom of the view page)
> >

>
> With a TJ, you can go into 4Hi at highway speed even on the
> highway. The owner's manual says as much. A shift into 4Lo requires a
> speed of less than 3MPH.
>
> If his rear diff is a limited-slip, that would account for the
> reduction in "shimmy" since the LSD tends to resist a change in
> direction favoring a a straight line instead.
> --


Sure you can 'shift on the fly into 4 high' on almost any Jeep on the
road these days including my 86 CJ7, the problem is the wheels 'must'
scuff the ground in order to not explode parts on the TJ's 'Part Time'
4x4 system if you vary from dead straight ahead.

Driveshafts turn into pretzels doing that if you are only lucky. If you
are 'very very' lucky you only explode a u-joint, not take out the yokes
too, my old roommate blew his t-case in half, literally, doing that....
Too much traction!!!

You only are supposed to go into 'Part Time' 4x4 when the roads are
slippery. Dirt or snow works fine, dry pavement doesn't...

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)

Red Jeep 12-06-2006 07:52 PM

Re: TJ having a worsening "shimmy" problem
 

Make sure that your lug nuts are tight. Look for missing wheel weights.
Have someone drive behind you and see if one wheel is wobbling worse than
others. Have you hit anything like a rock or curb that might have bent a
wheel? (I was dreadfully hard on wheels when I was younger) Try rotating
the tires and see if the problem changes.

Red Jeep 12-06-2006 07:52 PM

Re: TJ having a worsening "shimmy" problem
 

Make sure that your lug nuts are tight. Look for missing wheel weights.
Have someone drive behind you and see if one wheel is wobbling worse than
others. Have you hit anything like a rock or curb that might have bent a
wheel? (I was dreadfully hard on wheels when I was younger) Try rotating
the tires and see if the problem changes.

Red Jeep 12-06-2006 07:52 PM

Re: TJ having a worsening "shimmy" problem
 

Make sure that your lug nuts are tight. Look for missing wheel weights.
Have someone drive behind you and see if one wheel is wobbling worse than
others. Have you hit anything like a rock or curb that might have bent a
wheel? (I was dreadfully hard on wheels when I was younger) Try rotating
the tires and see if the problem changes.

Richard J Kinch 12-07-2006 05:45 AM

Re: TJ having a worsening "shimmy" problem
 
silberj writes:

> Lately (last 4 mos or so) I have developed what I
> classify as a severe "shimmy".


Check the front hubs for play by jacking up each front wheel and attempting
to wiggle it by hand.

Richard J Kinch 12-07-2006 05:45 AM

Re: TJ having a worsening "shimmy" problem
 
silberj writes:

> Lately (last 4 mos or so) I have developed what I
> classify as a severe "shimmy".


Check the front hubs for play by jacking up each front wheel and attempting
to wiggle it by hand.

Richard J Kinch 12-07-2006 05:45 AM

Re: TJ having a worsening "shimmy" problem
 
silberj writes:

> Lately (last 4 mos or so) I have developed what I
> classify as a severe "shimmy".


Check the front hubs for play by jacking up each front wheel and attempting
to wiggle it by hand.

mike 12-08-2006 08:27 AM

Re: TJ having a worsening "shimmy" problem
 
i'm a real novice who owns a TJ, but...
this sounds a lot like when my old jimmy
had damaged cv joint...
it would try to yank me into next lane !!!

"silberj" <silberj@gmail.com> wrote in message
news:1165410484.428900.59330@79g2000cws.googlegrou ps.com...
> I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
> year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
> lift. Driving the vehicle I realized it would take some getting used
> too, and I have. Lately (last 4 mos or so) I have developed what I
> classify as a severe "shimmy". The vehicle sometimes will steer a
> little on me and requires a fair amount of extra concentration and
> handling to keep it on the road. It is enhanced when I'm at speeds of
> around 50 to 60 mph and either push on the accelerator or even worse
> let off the gas (most reaction) It does have a steering stabilizer
> which I have recently replaced and hasn't helped the problem. I really
> love my jeep and love driving it, but it is becoming a safety hazard
> and a chore to drive sometimes. I will be happy to provide as much more
> info as I can to any of y'all that would like to try to help me out.
>




mike 12-08-2006 08:27 AM

Re: TJ having a worsening "shimmy" problem
 
i'm a real novice who owns a TJ, but...
this sounds a lot like when my old jimmy
had damaged cv joint...
it would try to yank me into next lane !!!

"silberj" <silberj@gmail.com> wrote in message
news:1165410484.428900.59330@79g2000cws.googlegrou ps.com...
> I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
> year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
> lift. Driving the vehicle I realized it would take some getting used
> too, and I have. Lately (last 4 mos or so) I have developed what I
> classify as a severe "shimmy". The vehicle sometimes will steer a
> little on me and requires a fair amount of extra concentration and
> handling to keep it on the road. It is enhanced when I'm at speeds of
> around 50 to 60 mph and either push on the accelerator or even worse
> let off the gas (most reaction) It does have a steering stabilizer
> which I have recently replaced and hasn't helped the problem. I really
> love my jeep and love driving it, but it is becoming a safety hazard
> and a chore to drive sometimes. I will be happy to provide as much more
> info as I can to any of y'all that would like to try to help me out.
>




mike 12-08-2006 08:27 AM

Re: TJ having a worsening "shimmy" problem
 
i'm a real novice who owns a TJ, but...
this sounds a lot like when my old jimmy
had damaged cv joint...
it would try to yank me into next lane !!!

"silberj" <silberj@gmail.com> wrote in message
news:1165410484.428900.59330@79g2000cws.googlegrou ps.com...
> I'm a first time jeep owner, having bought a 99 TJ 4x4 just under a
> year ago. My jeep came with 33" Trxus tires, and has I believe a 4"
> lift. Driving the vehicle I realized it would take some getting used
> too, and I have. Lately (last 4 mos or so) I have developed what I
> classify as a severe "shimmy". The vehicle sometimes will steer a
> little on me and requires a fair amount of extra concentration and
> handling to keep it on the road. It is enhanced when I'm at speeds of
> around 50 to 60 mph and either push on the accelerator or even worse
> let off the gas (most reaction) It does have a steering stabilizer
> which I have recently replaced and hasn't helped the problem. I really
> love my jeep and love driving it, but it is becoming a safety hazard
> and a chore to drive sometimes. I will be happy to provide as much more
> info as I can to any of y'all that would like to try to help me out.
>





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