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-   -   death wobble with a 99 tj sport (https://www.jeepscanada.com/jeep-mailing-list-32/death-wobble-99-tj-sport-47045/)

Jamie Mello 07-06-2007 11:32 AM

death wobble with a 99 tj sport
 
I have a 99 tj sport with a 5 speed stick shift with a 2.5 spacer lift
and keep getting the death wobble almost every day for about 2 weeks
now and it is getting old the death wobble comes at about 45 to 50 mph
after I go over a bump and it comes some times when on the highway
going about 45 + when you turn only right but very rarely it will
happen when you turn left so any help will very munch helpful.


Mike Romain 07-06-2007 12:08 PM

Re: death wobble with a 99 tj sport
 
Jamie Mello wrote:
> I have a 99 tj sport with a 5 speed stick shift with a 2.5 spacer lift
> and keep getting the death wobble almost every day for about 2 weeks
> now and it is getting old the death wobble comes at about 45 to 50 mph
> after I go over a bump and it comes some times when on the highway
> going about 45 + when you turn only right but very rarely it will
> happen when you turn left so any help will very munch helpful.
>


I would be checking out the track bar or it's relocating bracket
thinking it has come loose or it's bushings are broke. The track bar
has a tie rod end on it too that can go bad.

Something is likely loose though.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's - Gone to the rust pile...
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 07-06-2007 12:08 PM

Re: death wobble with a 99 tj sport
 
Jamie Mello wrote:
> I have a 99 tj sport with a 5 speed stick shift with a 2.5 spacer lift
> and keep getting the death wobble almost every day for about 2 weeks
> now and it is getting old the death wobble comes at about 45 to 50 mph
> after I go over a bump and it comes some times when on the highway
> going about 45 + when you turn only right but very rarely it will
> happen when you turn left so any help will very munch helpful.
>


I would be checking out the track bar or it's relocating bracket
thinking it has come loose or it's bushings are broke. The track bar
has a tie rod end on it too that can go bad.

Something is likely loose though.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's - Gone to the rust pile...
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 07-06-2007 12:08 PM

Re: death wobble with a 99 tj sport
 
Jamie Mello wrote:
> I have a 99 tj sport with a 5 speed stick shift with a 2.5 spacer lift
> and keep getting the death wobble almost every day for about 2 weeks
> now and it is getting old the death wobble comes at about 45 to 50 mph
> after I go over a bump and it comes some times when on the highway
> going about 45 + when you turn only right but very rarely it will
> happen when you turn left so any help will very munch helpful.
>


I would be checking out the track bar or it's relocating bracket
thinking it has come loose or it's bushings are broke. The track bar
has a tie rod end on it too that can go bad.

Something is likely loose though.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's - Gone to the rust pile...
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 07-06-2007 12:08 PM

Re: death wobble with a 99 tj sport
 
Jamie Mello wrote:
> I have a 99 tj sport with a 5 speed stick shift with a 2.5 spacer lift
> and keep getting the death wobble almost every day for about 2 weeks
> now and it is getting old the death wobble comes at about 45 to 50 mph
> after I go over a bump and it comes some times when on the highway
> going about 45 + when you turn only right but very rarely it will
> happen when you turn left so any help will very munch helpful.
>


I would be checking out the track bar or it's relocating bracket
thinking it has come loose or it's bushings are broke. The track bar
has a tie rod end on it too that can go bad.

Something is likely loose though.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's - Gone to the rust pile...
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)


Peter Stolz 07-06-2007 12:12 PM

Re: death wobble with a 99 tj sport
 

"Jamie Mello" <carkeyscc@sbcglobal.net> wrote in message
news:1183735971.131990.297550@z28g2000prd.googlegr oups.com...
>I have a 99 tj sport with a 5 speed stick shift with a 2.5 spacer lift
> and keep getting the death wobble almost every day for about 2 weeks
> now and it is getting old the death wobble comes at about 45 to 50 mph
> after I go over a bump and it comes some times when on the highway
> going about 45 + when you turn only right but very rarely it will
> happen when you turn left so any help will very munch helpful.
>



I'd first check to make sure all the suspension bits are tight. Or it could
be a dead shock.

--
Pete
'84 CJ7 (that I bought new!) factory rebuilt AMC 360, NV4500, Edelbrock carb
& intake, MSD, headers, 2.5" duals, homemade on-board air, blah, blah, blah
'07 Commander Sport
'04 Audi S4 that's bone stock
'02 Durango



Peter Stolz 07-06-2007 12:12 PM

Re: death wobble with a 99 tj sport
 

"Jamie Mello" <carkeyscc@sbcglobal.net> wrote in message
news:1183735971.131990.297550@z28g2000prd.googlegr oups.com...
>I have a 99 tj sport with a 5 speed stick shift with a 2.5 spacer lift
> and keep getting the death wobble almost every day for about 2 weeks
> now and it is getting old the death wobble comes at about 45 to 50 mph
> after I go over a bump and it comes some times when on the highway
> going about 45 + when you turn only right but very rarely it will
> happen when you turn left so any help will very munch helpful.
>



I'd first check to make sure all the suspension bits are tight. Or it could
be a dead shock.

--
Pete
'84 CJ7 (that I bought new!) factory rebuilt AMC 360, NV4500, Edelbrock carb
& intake, MSD, headers, 2.5" duals, homemade on-board air, blah, blah, blah
'07 Commander Sport
'04 Audi S4 that's bone stock
'02 Durango



Peter Stolz 07-06-2007 12:12 PM

Re: death wobble with a 99 tj sport
 

"Jamie Mello" <carkeyscc@sbcglobal.net> wrote in message
news:1183735971.131990.297550@z28g2000prd.googlegr oups.com...
>I have a 99 tj sport with a 5 speed stick shift with a 2.5 spacer lift
> and keep getting the death wobble almost every day for about 2 weeks
> now and it is getting old the death wobble comes at about 45 to 50 mph
> after I go over a bump and it comes some times when on the highway
> going about 45 + when you turn only right but very rarely it will
> happen when you turn left so any help will very munch helpful.
>



I'd first check to make sure all the suspension bits are tight. Or it could
be a dead shock.

--
Pete
'84 CJ7 (that I bought new!) factory rebuilt AMC 360, NV4500, Edelbrock carb
& intake, MSD, headers, 2.5" duals, homemade on-board air, blah, blah, blah
'07 Commander Sport
'04 Audi S4 that's bone stock
'02 Durango



Peter Stolz 07-06-2007 12:12 PM

Re: death wobble with a 99 tj sport
 

"Jamie Mello" <carkeyscc@sbcglobal.net> wrote in message
news:1183735971.131990.297550@z28g2000prd.googlegr oups.com...
>I have a 99 tj sport with a 5 speed stick shift with a 2.5 spacer lift
> and keep getting the death wobble almost every day for about 2 weeks
> now and it is getting old the death wobble comes at about 45 to 50 mph
> after I go over a bump and it comes some times when on the highway
> going about 45 + when you turn only right but very rarely it will
> happen when you turn left so any help will very munch helpful.
>



I'd first check to make sure all the suspension bits are tight. Or it could
be a dead shock.

--
Pete
'84 CJ7 (that I bought new!) factory rebuilt AMC 360, NV4500, Edelbrock carb
& intake, MSD, headers, 2.5" duals, homemade on-board air, blah, blah, blah
'07 Commander Sport
'04 Audi S4 that's bone stock
'02 Durango



Scott in Baltimore 07-06-2007 12:34 PM

Re: death wobble with a 99 tj sport
 
Mike Romain wrote:
> Jamie Mello wrote:
>> I have a 99 tj sport with a 5 speed stick shift with a 2.5 spacer lift
>> and keep getting the death wobble almost every day for about 2 weeks
>> now and it is getting old the death wobble comes at about 45 to 50 mph
>> after I go over a bump and it comes some times when on the highway
>> going about 45 + when you turn only right but very rarely it will
>> happen when you turn left so any help will very munch helpful.
>>

>
> I would be checking out the track bar or it's relocating bracket
> thinking it has come loose or it's bushings are broke. The track bar
> has a tie rod end on it too that can go bad.
>
> Something is likely loose though.


Finally got around to replacing my steering dampener. It hasn't wobbled
since I got a new set of BFG KO's. The old SD was completely shot. Now
the steering wheel doesn't shake a few times over bumps like it used to.

Now for some track bar bushings to stop the clunk over bumps.

And, it seems it's not a crackhead in the 'hood. It's juveniles! Chased a
couple girls from the tennis courts last night that were trying to break
things. A quick drive around the 'hood found a bunch of juvies lighting
fireworks. Next time they show up, there won't be anything to steal except
a dead lighter with "ha ha, f*cker" written on it! Bastards!!!

Scott in Baltimore 07-06-2007 12:34 PM

Re: death wobble with a 99 tj sport
 
Mike Romain wrote:
> Jamie Mello wrote:
>> I have a 99 tj sport with a 5 speed stick shift with a 2.5 spacer lift
>> and keep getting the death wobble almost every day for about 2 weeks
>> now and it is getting old the death wobble comes at about 45 to 50 mph
>> after I go over a bump and it comes some times when on the highway
>> going about 45 + when you turn only right but very rarely it will
>> happen when you turn left so any help will very munch helpful.
>>

>
> I would be checking out the track bar or it's relocating bracket
> thinking it has come loose or it's bushings are broke. The track bar
> has a tie rod end on it too that can go bad.
>
> Something is likely loose though.


Finally got around to replacing my steering dampener. It hasn't wobbled
since I got a new set of BFG KO's. The old SD was completely shot. Now
the steering wheel doesn't shake a few times over bumps like it used to.

Now for some track bar bushings to stop the clunk over bumps.

And, it seems it's not a crackhead in the 'hood. It's juveniles! Chased a
couple girls from the tennis courts last night that were trying to break
things. A quick drive around the 'hood found a bunch of juvies lighting
fireworks. Next time they show up, there won't be anything to steal except
a dead lighter with "ha ha, f*cker" written on it! Bastards!!!

Scott in Baltimore 07-06-2007 12:34 PM

Re: death wobble with a 99 tj sport
 
Mike Romain wrote:
> Jamie Mello wrote:
>> I have a 99 tj sport with a 5 speed stick shift with a 2.5 spacer lift
>> and keep getting the death wobble almost every day for about 2 weeks
>> now and it is getting old the death wobble comes at about 45 to 50 mph
>> after I go over a bump and it comes some times when on the highway
>> going about 45 + when you turn only right but very rarely it will
>> happen when you turn left so any help will very munch helpful.
>>

>
> I would be checking out the track bar or it's relocating bracket
> thinking it has come loose or it's bushings are broke. The track bar
> has a tie rod end on it too that can go bad.
>
> Something is likely loose though.


Finally got around to replacing my steering dampener. It hasn't wobbled
since I got a new set of BFG KO's. The old SD was completely shot. Now
the steering wheel doesn't shake a few times over bumps like it used to.

Now for some track bar bushings to stop the clunk over bumps.

And, it seems it's not a crackhead in the 'hood. It's juveniles! Chased a
couple girls from the tennis courts last night that were trying to break
things. A quick drive around the 'hood found a bunch of juvies lighting
fireworks. Next time they show up, there won't be anything to steal except
a dead lighter with "ha ha, f*cker" written on it! Bastards!!!

Scott in Baltimore 07-06-2007 12:34 PM

Re: death wobble with a 99 tj sport
 
Mike Romain wrote:
> Jamie Mello wrote:
>> I have a 99 tj sport with a 5 speed stick shift with a 2.5 spacer lift
>> and keep getting the death wobble almost every day for about 2 weeks
>> now and it is getting old the death wobble comes at about 45 to 50 mph
>> after I go over a bump and it comes some times when on the highway
>> going about 45 + when you turn only right but very rarely it will
>> happen when you turn left so any help will very munch helpful.
>>

>
> I would be checking out the track bar or it's relocating bracket
> thinking it has come loose or it's bushings are broke. The track bar
> has a tie rod end on it too that can go bad.
>
> Something is likely loose though.


Finally got around to replacing my steering dampener. It hasn't wobbled
since I got a new set of BFG KO's. The old SD was completely shot. Now
the steering wheel doesn't shake a few times over bumps like it used to.

Now for some track bar bushings to stop the clunk over bumps.

And, it seems it's not a crackhead in the 'hood. It's juveniles! Chased a
couple girls from the tennis courts last night that were trying to break
things. A quick drive around the 'hood found a bunch of juvies lighting
fireworks. Next time they show up, there won't be anything to steal except
a dead lighter with "ha ha, f*cker" written on it! Bastards!!!

jbjeep 07-06-2007 12:50 PM

Re: death wobble with a 99 tj sport
 
check your rear track bar and its ends and mounting points.
check your front track bar and its ends and mounting points.
are your tires clean (no mud in the rims)?
are they all at the same pressure?
are your front wheel bearings good?
is your steering stabilizer good?
are any of the ends on your front suspension bad?
how old are your shocks? could one be going out?

Its often a hard thing to find. All of these things above have caused death wobble
for me (98 TJ). Mostly I find that (due to my lift I think) I tend to rip the rear
track bar mounts off the rear axle. Why that causes death wobble up front I dont
know, but it does. the one thing with the steering stabilizer is that just changing
it can mask a biger issue, like a bad rod end in your steering.
-jenn



On Fri, 06 Jul 2007 08:32:51 -0700, Jamie Mello <carkeyscc@sbcglobal.net> wrote:

>>I have a 99 tj sport with a 5 speed stick shift with a 2.5 spacer lift
>>and keep getting the death wobble almost every day for about 2 weeks
>>now and it is getting old the death wobble comes at about 45 to 50 mph
>>after I go over a bump and it comes some times when on the highway
>>going about 45 + when you turn only right but very rarely it will
>>happen when you turn left so any help will very munch helpful.


jbjeep 07-06-2007 12:50 PM

Re: death wobble with a 99 tj sport
 
check your rear track bar and its ends and mounting points.
check your front track bar and its ends and mounting points.
are your tires clean (no mud in the rims)?
are they all at the same pressure?
are your front wheel bearings good?
is your steering stabilizer good?
are any of the ends on your front suspension bad?
how old are your shocks? could one be going out?

Its often a hard thing to find. All of these things above have caused death wobble
for me (98 TJ). Mostly I find that (due to my lift I think) I tend to rip the rear
track bar mounts off the rear axle. Why that causes death wobble up front I dont
know, but it does. the one thing with the steering stabilizer is that just changing
it can mask a biger issue, like a bad rod end in your steering.
-jenn



On Fri, 06 Jul 2007 08:32:51 -0700, Jamie Mello <carkeyscc@sbcglobal.net> wrote:

>>I have a 99 tj sport with a 5 speed stick shift with a 2.5 spacer lift
>>and keep getting the death wobble almost every day for about 2 weeks
>>now and it is getting old the death wobble comes at about 45 to 50 mph
>>after I go over a bump and it comes some times when on the highway
>>going about 45 + when you turn only right but very rarely it will
>>happen when you turn left so any help will very munch helpful.


jbjeep 07-06-2007 12:50 PM

Re: death wobble with a 99 tj sport
 
check your rear track bar and its ends and mounting points.
check your front track bar and its ends and mounting points.
are your tires clean (no mud in the rims)?
are they all at the same pressure?
are your front wheel bearings good?
is your steering stabilizer good?
are any of the ends on your front suspension bad?
how old are your shocks? could one be going out?

Its often a hard thing to find. All of these things above have caused death wobble
for me (98 TJ). Mostly I find that (due to my lift I think) I tend to rip the rear
track bar mounts off the rear axle. Why that causes death wobble up front I dont
know, but it does. the one thing with the steering stabilizer is that just changing
it can mask a biger issue, like a bad rod end in your steering.
-jenn



On Fri, 06 Jul 2007 08:32:51 -0700, Jamie Mello <carkeyscc@sbcglobal.net> wrote:

>>I have a 99 tj sport with a 5 speed stick shift with a 2.5 spacer lift
>>and keep getting the death wobble almost every day for about 2 weeks
>>now and it is getting old the death wobble comes at about 45 to 50 mph
>>after I go over a bump and it comes some times when on the highway
>>going about 45 + when you turn only right but very rarely it will
>>happen when you turn left so any help will very munch helpful.


jbjeep 07-06-2007 12:50 PM

Re: death wobble with a 99 tj sport
 
check your rear track bar and its ends and mounting points.
check your front track bar and its ends and mounting points.
are your tires clean (no mud in the rims)?
are they all at the same pressure?
are your front wheel bearings good?
is your steering stabilizer good?
are any of the ends on your front suspension bad?
how old are your shocks? could one be going out?

Its often a hard thing to find. All of these things above have caused death wobble
for me (98 TJ). Mostly I find that (due to my lift I think) I tend to rip the rear
track bar mounts off the rear axle. Why that causes death wobble up front I dont
know, but it does. the one thing with the steering stabilizer is that just changing
it can mask a biger issue, like a bad rod end in your steering.
-jenn



On Fri, 06 Jul 2007 08:32:51 -0700, Jamie Mello <carkeyscc@sbcglobal.net> wrote:

>>I have a 99 tj sport with a 5 speed stick shift with a 2.5 spacer lift
>>and keep getting the death wobble almost every day for about 2 weeks
>>now and it is getting old the death wobble comes at about 45 to 50 mph
>>after I go over a bump and it comes some times when on the highway
>>going about 45 + when you turn only right but very rarely it will
>>happen when you turn left so any help will very munch helpful.


SnoMan 07-06-2007 01:49 PM

Re: Re: death wobble with a 99 tj sport
 
On Fri, 06 Jul 2007 12:34:41 -0400, Scott in Baltimore
<sDcOoNtTtS_PuAnMiMtE_69@yahoo.com> wrote:

>Mike Romain wrote:
>> Jamie Mello wrote:
>>> I have a 99 tj sport with a 5 speed stick shift with a 2.5 spacer lift
>>> and keep getting the death wobble almost every day for about 2 weeks
>>> now and it is getting old the death wobble comes at about 45 to 50 mph
>>> after I go over a bump and it comes some times when on the highway
>>> going about 45 + when you turn only right but very rarely it will
>>> happen when you turn left so any help will very munch helpful.
>>>

>>
>> I would be checking out the track bar or it's relocating bracket
>> thinking it has come loose or it's bushings are broke. The track bar
>> has a tie rod end on it too that can go bad.
>>
>> Something is likely loose though.

>
>Finally got around to replacing my steering dampener. It hasn't wobbled
>since I got a new set of BFG KO's. The old SD was completely shot. Now
>the steering wheel doesn't shake a few times over bumps like it used to.
>
>Now for some track bar bushings to stop the clunk over bumps.
>
>And, it seems it's not a crackhead in the 'hood. It's juveniles! Chased a
>couple girls from the tennis courts last night that were trying to break
>things. A quick drive around the 'hood found a bunch of juvies lighting
>fireworks. Next time they show up, there won't be anything to steal except
>a dead lighter with "ha ha, f*cker" written on it! Bastards!!!


The "Death Wooble" is caused by a dynamically unstable front axle.
Many think is is because a a bad stabilizer or worn suspension
componates but all they are doing is letting you know that you front
end is unstable to begin with and that you are trying to brute force
hold it stable. This instablity is cause by the improper caster,
camber and toe in combo for your lift and tires. Many think that
alignment is same but it is not and factory specs are rarely okay with
you add a lift and more tire rolling resistance and tread width to the
combo. Usually when you lift it you do not set proper posistive caster
angle (the amount that top of axle pivots are tipped towards rear of
vehicle) and this results in a front axle that want to osciilate at
times. A new damper is just masking the real problem but many are
usually convinced otherwise. Dynamic instablity is good for a fighter
aircraft because it makes it more resposive to controls but it is not
good for a front axle.
-----------------
TheSnoMan.com

SnoMan 07-06-2007 01:49 PM

Re: Re: death wobble with a 99 tj sport
 
On Fri, 06 Jul 2007 12:34:41 -0400, Scott in Baltimore
<sDcOoNtTtS_PuAnMiMtE_69@yahoo.com> wrote:

>Mike Romain wrote:
>> Jamie Mello wrote:
>>> I have a 99 tj sport with a 5 speed stick shift with a 2.5 spacer lift
>>> and keep getting the death wobble almost every day for about 2 weeks
>>> now and it is getting old the death wobble comes at about 45 to 50 mph
>>> after I go over a bump and it comes some times when on the highway
>>> going about 45 + when you turn only right but very rarely it will
>>> happen when you turn left so any help will very munch helpful.
>>>

>>
>> I would be checking out the track bar or it's relocating bracket
>> thinking it has come loose or it's bushings are broke. The track bar
>> has a tie rod end on it too that can go bad.
>>
>> Something is likely loose though.

>
>Finally got around to replacing my steering dampener. It hasn't wobbled
>since I got a new set of BFG KO's. The old SD was completely shot. Now
>the steering wheel doesn't shake a few times over bumps like it used to.
>
>Now for some track bar bushings to stop the clunk over bumps.
>
>And, it seems it's not a crackhead in the 'hood. It's juveniles! Chased a
>couple girls from the tennis courts last night that were trying to break
>things. A quick drive around the 'hood found a bunch of juvies lighting
>fireworks. Next time they show up, there won't be anything to steal except
>a dead lighter with "ha ha, f*cker" written on it! Bastards!!!


The "Death Wooble" is caused by a dynamically unstable front axle.
Many think is is because a a bad stabilizer or worn suspension
componates but all they are doing is letting you know that you front
end is unstable to begin with and that you are trying to brute force
hold it stable. This instablity is cause by the improper caster,
camber and toe in combo for your lift and tires. Many think that
alignment is same but it is not and factory specs are rarely okay with
you add a lift and more tire rolling resistance and tread width to the
combo. Usually when you lift it you do not set proper posistive caster
angle (the amount that top of axle pivots are tipped towards rear of
vehicle) and this results in a front axle that want to osciilate at
times. A new damper is just masking the real problem but many are
usually convinced otherwise. Dynamic instablity is good for a fighter
aircraft because it makes it more resposive to controls but it is not
good for a front axle.
-----------------
TheSnoMan.com

SnoMan 07-06-2007 01:49 PM

Re: Re: death wobble with a 99 tj sport
 
On Fri, 06 Jul 2007 12:34:41 -0400, Scott in Baltimore
<sDcOoNtTtS_PuAnMiMtE_69@yahoo.com> wrote:

>Mike Romain wrote:
>> Jamie Mello wrote:
>>> I have a 99 tj sport with a 5 speed stick shift with a 2.5 spacer lift
>>> and keep getting the death wobble almost every day for about 2 weeks
>>> now and it is getting old the death wobble comes at about 45 to 50 mph
>>> after I go over a bump and it comes some times when on the highway
>>> going about 45 + when you turn only right but very rarely it will
>>> happen when you turn left so any help will very munch helpful.
>>>

>>
>> I would be checking out the track bar or it's relocating bracket
>> thinking it has come loose or it's bushings are broke. The track bar
>> has a tie rod end on it too that can go bad.
>>
>> Something is likely loose though.

>
>Finally got around to replacing my steering dampener. It hasn't wobbled
>since I got a new set of BFG KO's. The old SD was completely shot. Now
>the steering wheel doesn't shake a few times over bumps like it used to.
>
>Now for some track bar bushings to stop the clunk over bumps.
>
>And, it seems it's not a crackhead in the 'hood. It's juveniles! Chased a
>couple girls from the tennis courts last night that were trying to break
>things. A quick drive around the 'hood found a bunch of juvies lighting
>fireworks. Next time they show up, there won't be anything to steal except
>a dead lighter with "ha ha, f*cker" written on it! Bastards!!!


The "Death Wooble" is caused by a dynamically unstable front axle.
Many think is is because a a bad stabilizer or worn suspension
componates but all they are doing is letting you know that you front
end is unstable to begin with and that you are trying to brute force
hold it stable. This instablity is cause by the improper caster,
camber and toe in combo for your lift and tires. Many think that
alignment is same but it is not and factory specs are rarely okay with
you add a lift and more tire rolling resistance and tread width to the
combo. Usually when you lift it you do not set proper posistive caster
angle (the amount that top of axle pivots are tipped towards rear of
vehicle) and this results in a front axle that want to osciilate at
times. A new damper is just masking the real problem but many are
usually convinced otherwise. Dynamic instablity is good for a fighter
aircraft because it makes it more resposive to controls but it is not
good for a front axle.
-----------------
TheSnoMan.com

SnoMan 07-06-2007 01:49 PM

Re: Re: death wobble with a 99 tj sport
 
On Fri, 06 Jul 2007 12:34:41 -0400, Scott in Baltimore
<sDcOoNtTtS_PuAnMiMtE_69@yahoo.com> wrote:

>Mike Romain wrote:
>> Jamie Mello wrote:
>>> I have a 99 tj sport with a 5 speed stick shift with a 2.5 spacer lift
>>> and keep getting the death wobble almost every day for about 2 weeks
>>> now and it is getting old the death wobble comes at about 45 to 50 mph
>>> after I go over a bump and it comes some times when on the highway
>>> going about 45 + when you turn only right but very rarely it will
>>> happen when you turn left so any help will very munch helpful.
>>>

>>
>> I would be checking out the track bar or it's relocating bracket
>> thinking it has come loose or it's bushings are broke. The track bar
>> has a tie rod end on it too that can go bad.
>>
>> Something is likely loose though.

>
>Finally got around to replacing my steering dampener. It hasn't wobbled
>since I got a new set of BFG KO's. The old SD was completely shot. Now
>the steering wheel doesn't shake a few times over bumps like it used to.
>
>Now for some track bar bushings to stop the clunk over bumps.
>
>And, it seems it's not a crackhead in the 'hood. It's juveniles! Chased a
>couple girls from the tennis courts last night that were trying to break
>things. A quick drive around the 'hood found a bunch of juvies lighting
>fireworks. Next time they show up, there won't be anything to steal except
>a dead lighter with "ha ha, f*cker" written on it! Bastards!!!


The "Death Wooble" is caused by a dynamically unstable front axle.
Many think is is because a a bad stabilizer or worn suspension
componates but all they are doing is letting you know that you front
end is unstable to begin with and that you are trying to brute force
hold it stable. This instablity is cause by the improper caster,
camber and toe in combo for your lift and tires. Many think that
alignment is same but it is not and factory specs are rarely okay with
you add a lift and more tire rolling resistance and tread width to the
combo. Usually when you lift it you do not set proper posistive caster
angle (the amount that top of axle pivots are tipped towards rear of
vehicle) and this results in a front axle that want to osciilate at
times. A new damper is just masking the real problem but many are
usually convinced otherwise. Dynamic instablity is good for a fighter
aircraft because it makes it more resposive to controls but it is not
good for a front axle.
-----------------
TheSnoMan.com

Scott in Baltimore 07-06-2007 03:39 PM

Re: death wobble with a 99 tj sport
 
Mine is not lifted. I did replace the P205/75R15's with LT235/75R15's years ago.
My track bar bushings are shot and need replacement. I'll get to that, soon.

-Scott
'97 TJ SE

Scott in Baltimore 07-06-2007 03:39 PM

Re: death wobble with a 99 tj sport
 
Mine is not lifted. I did replace the P205/75R15's with LT235/75R15's years ago.
My track bar bushings are shot and need replacement. I'll get to that, soon.

-Scott
'97 TJ SE

Scott in Baltimore 07-06-2007 03:39 PM

Re: death wobble with a 99 tj sport
 
Mine is not lifted. I did replace the P205/75R15's with LT235/75R15's years ago.
My track bar bushings are shot and need replacement. I'll get to that, soon.

-Scott
'97 TJ SE

Scott in Baltimore 07-06-2007 03:39 PM

Re: death wobble with a 99 tj sport
 
Mine is not lifted. I did replace the P205/75R15's with LT235/75R15's years ago.
My track bar bushings are shot and need replacement. I'll get to that, soon.

-Scott
'97 TJ SE

SnoMan 07-06-2007 08:39 PM

Re: Re: death wobble with a 99 tj sport
 
On Fri, 06 Jul 2007 15:39:24 -0400, Scott in Baltimore
<sDcOoNtTtS_PuAnMiMtE_69@yahoo.com> wrote:

>Mine is not lifted. I did replace the P205/75R15's with LT235/75R15's years ago.
>My track bar bushings are shot and need replacement. I'll get to that, soon.
>
>-Scott
>'97 TJ SE



I used to align those axles many years ago when few even knew what a
4x4 was let alone how to align one. I have seen many death wooble
cases that I was able to fix. With leaf springs it was easy to set
caster with shims but newer front ends are not so easy sometimes (4
link solid axle and such) For camber you used to bend the housing
with a specail 25 ton clamp jack (very carefully too) before they
started to use shims behind spindles where they mounted to knuckle. I
have mixed feelings about those shims.
-----------------
TheSnoMan.com

SnoMan 07-06-2007 08:39 PM

Re: Re: death wobble with a 99 tj sport
 
On Fri, 06 Jul 2007 15:39:24 -0400, Scott in Baltimore
<sDcOoNtTtS_PuAnMiMtE_69@yahoo.com> wrote:

>Mine is not lifted. I did replace the P205/75R15's with LT235/75R15's years ago.
>My track bar bushings are shot and need replacement. I'll get to that, soon.
>
>-Scott
>'97 TJ SE



I used to align those axles many years ago when few even knew what a
4x4 was let alone how to align one. I have seen many death wooble
cases that I was able to fix. With leaf springs it was easy to set
caster with shims but newer front ends are not so easy sometimes (4
link solid axle and such) For camber you used to bend the housing
with a specail 25 ton clamp jack (very carefully too) before they
started to use shims behind spindles where they mounted to knuckle. I
have mixed feelings about those shims.
-----------------
TheSnoMan.com

SnoMan 07-06-2007 08:39 PM

Re: Re: death wobble with a 99 tj sport
 
On Fri, 06 Jul 2007 15:39:24 -0400, Scott in Baltimore
<sDcOoNtTtS_PuAnMiMtE_69@yahoo.com> wrote:

>Mine is not lifted. I did replace the P205/75R15's with LT235/75R15's years ago.
>My track bar bushings are shot and need replacement. I'll get to that, soon.
>
>-Scott
>'97 TJ SE



I used to align those axles many years ago when few even knew what a
4x4 was let alone how to align one. I have seen many death wooble
cases that I was able to fix. With leaf springs it was easy to set
caster with shims but newer front ends are not so easy sometimes (4
link solid axle and such) For camber you used to bend the housing
with a specail 25 ton clamp jack (very carefully too) before they
started to use shims behind spindles where they mounted to knuckle. I
have mixed feelings about those shims.
-----------------
TheSnoMan.com

SnoMan 07-06-2007 08:39 PM

Re: Re: death wobble with a 99 tj sport
 
On Fri, 06 Jul 2007 15:39:24 -0400, Scott in Baltimore
<sDcOoNtTtS_PuAnMiMtE_69@yahoo.com> wrote:

>Mine is not lifted. I did replace the P205/75R15's with LT235/75R15's years ago.
>My track bar bushings are shot and need replacement. I'll get to that, soon.
>
>-Scott
>'97 TJ SE



I used to align those axles many years ago when few even knew what a
4x4 was let alone how to align one. I have seen many death wooble
cases that I was able to fix. With leaf springs it was easy to set
caster with shims but newer front ends are not so easy sometimes (4
link solid axle and such) For camber you used to bend the housing
with a specail 25 ton clamp jack (very carefully too) before they
started to use shims behind spindles where they mounted to knuckle. I
have mixed feelings about those shims.
-----------------
TheSnoMan.com

Jamie Mello 07-07-2007 01:33 AM

Re: death wobble with a 99 tj sport
 
Thanks all of you that put in your 2 cents and will check out what you
guys said to try. How do you test your steering dampener to see if it
is bad or not? Thanks Jamie


Jamie Mello 07-07-2007 01:33 AM

Re: death wobble with a 99 tj sport
 
Thanks all of you that put in your 2 cents and will check out what you
guys said to try. How do you test your steering dampener to see if it
is bad or not? Thanks Jamie


Jamie Mello 07-07-2007 01:33 AM

Re: death wobble with a 99 tj sport
 
Thanks all of you that put in your 2 cents and will check out what you
guys said to try. How do you test your steering dampener to see if it
is bad or not? Thanks Jamie


Jamie Mello 07-07-2007 01:33 AM

Re: death wobble with a 99 tj sport
 
Thanks all of you that put in your 2 cents and will check out what you
guys said to try. How do you test your steering dampener to see if it
is bad or not? Thanks Jamie


SnoMan 07-07-2007 07:48 AM

Re: Re: death wobble with a 99 tj sport
 
On Fri, 06 Jul 2007 22:33:48 -0700, Jamie Mello
<carkeyscc@sbcglobal.net> wrote:

>How do you test your steering dampener to see if it
>is bad or not? Thanks Jamie



If you can move the rod in and out of it easily by hand it is bad.
-----------------
TheSnoMan.com

SnoMan 07-07-2007 07:48 AM

Re: Re: death wobble with a 99 tj sport
 
On Fri, 06 Jul 2007 22:33:48 -0700, Jamie Mello
<carkeyscc@sbcglobal.net> wrote:

>How do you test your steering dampener to see if it
>is bad or not? Thanks Jamie



If you can move the rod in and out of it easily by hand it is bad.
-----------------
TheSnoMan.com

SnoMan 07-07-2007 07:48 AM

Re: Re: death wobble with a 99 tj sport
 
On Fri, 06 Jul 2007 22:33:48 -0700, Jamie Mello
<carkeyscc@sbcglobal.net> wrote:

>How do you test your steering dampener to see if it
>is bad or not? Thanks Jamie



If you can move the rod in and out of it easily by hand it is bad.
-----------------
TheSnoMan.com

SnoMan 07-07-2007 07:48 AM

Re: Re: death wobble with a 99 tj sport
 
On Fri, 06 Jul 2007 22:33:48 -0700, Jamie Mello
<carkeyscc@sbcglobal.net> wrote:

>How do you test your steering dampener to see if it
>is bad or not? Thanks Jamie



If you can move the rod in and out of it easily by hand it is bad.
-----------------
TheSnoMan.com

Jamie Mello 07-08-2007 11:27 AM

Re: death wobble with a 99 tj sport
 
Thanks you all of you the steering dampener is bad I order one
yesterday (skyjacker heavy duty one) Thanks again Jamie


Jamie Mello 07-08-2007 11:27 AM

Re: death wobble with a 99 tj sport
 
Thanks you all of you the steering dampener is bad I order one
yesterday (skyjacker heavy duty one) Thanks again Jamie


Jamie Mello 07-08-2007 11:27 AM

Re: death wobble with a 99 tj sport
 
Thanks you all of you the steering dampener is bad I order one
yesterday (skyjacker heavy duty one) Thanks again Jamie



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