Rear Grinding Sound/High-Pitch Barely Audible Whine
 

Hi Again All,

In addition to my 1996 V-* rear kick I mentioned in a concurrent post,
I have grinding (more like groaning) noise that is speed sensitive,
about 1 groan every 3 or 4 meters. Also, while driving on the
highway, the groan is persisent, but at those speeds, you cannot hear
the individual revolutions, just a loud hum/growl (hard to explain).
Also, there is a noise that is a fine, high-pitched whine, but not
very loud, at least not as loud as the hum.

What is this?

-Chaud Lapin-

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

On 4 Nov 2003 22:39:11 -0800, unoriginal_username@yahoo.com (Le Chaud
Lapin) wrote:

>Hi Again All,
>
>In addition to my 1996 V-* rear kick I mentioned in a concurrent post,
>I have grinding (more like groaning) noise that is speed sensitive,
>about 1 groan every 3 or 4 meters. Also, while driving on the
>highway, the groan is persisent, but at those speeds, you cannot hear
>the individual revolutions, just a loud hum/growl (hard to explain).
>Also, there is a noise that is a fine, high-pitched whine, but not
>very loud, at least not as loud as the hum.
>
>What is this?
>
>-Chaud Lapin-

Sounds a bit like the "carrier bearing growl" on my 97. Seems to be
more obvious on vehicles with Trac-Loc because the nature of the groan
changes depending on whether the vehicle is turning left or right.
Made quite a difference on mine - even when the curve was fairly
slight.

The TSB for the 1997 Grand is:

03-03-98 JUL 98 Rear Axle - Carrier Bearing Growl

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

On 4 Nov 2003 22:39:11 -0800, unoriginal_username@yahoo.com (Le Chaud
Lapin) wrote:

>Hi Again All,
>
>In addition to my 1996 V-* rear kick I mentioned in a concurrent post,
>I have grinding (more like groaning) noise that is speed sensitive,
>about 1 groan every 3 or 4 meters. Also, while driving on the
>highway, the groan is persisent, but at those speeds, you cannot hear
>the individual revolutions, just a loud hum/growl (hard to explain).
>Also, there is a noise that is a fine, high-pitched whine, but not
>very loud, at least not as loud as the hum.
>
>What is this?
>
>-Chaud Lapin-

Sounds a bit like the "carrier bearing growl" on my 97. Seems to be
more obvious on vehicles with Trac-Loc because the nature of the groan
changes depending on whether the vehicle is turning left or right.
Made quite a difference on mine - even when the curve was fairly
slight.

The TSB for the 1997 Grand is:

03-03-98 JUL 98 Rear Axle - Carrier Bearing Growl

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

On 4 Nov 2003 22:39:11 -0800, unoriginal_username@yahoo.com (Le Chaud
Lapin) wrote:

>Hi Again All,
>
>In addition to my 1996 V-* rear kick I mentioned in a concurrent post,
>I have grinding (more like groaning) noise that is speed sensitive,
>about 1 groan every 3 or 4 meters. Also, while driving on the
>highway, the groan is persisent, but at those speeds, you cannot hear
>the individual revolutions, just a loud hum/growl (hard to explain).
>Also, there is a noise that is a fine, high-pitched whine, but not
>very loud, at least not as loud as the hum.
>
>What is this?
>
>-Chaud Lapin-

Sounds a bit like the "carrier bearing growl" on my 97. Seems to be
more obvious on vehicles with Trac-Loc because the nature of the groan
changes depending on whether the vehicle is turning left or right.
Made quite a difference on mine - even when the curve was fairly
slight.

The TSB for the 1997 Grand is:

03-03-98 JUL 98 Rear Axle - Carrier Bearing Growl

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

I'm guessing your '96 V8 is sitting in a Grand Cherokee with a bent
aluminum housing, from the use of a floor jack.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

Le Chaud Lapin wrote:
>
> Hi Again All,
>
> In addition to my 1996 V-* rear kick I mentioned in a concurrent post,
> I have grinding (more like groaning) noise that is speed sensitive,
> about 1 groan every 3 or 4 meters. Also, while driving on the
> highway, the groan is persisent, but at those speeds, you cannot hear
> the individual revolutions, just a loud hum/growl (hard to explain).
> Also, there is a noise that is a fine, high-pitched whine, but not
> very loud, at least not as loud as the hum.
>
> What is this?
>
> -Chaud Lapin-

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

I'm guessing your '96 V8 is sitting in a Grand Cherokee with a bent
aluminum housing, from the use of a floor jack.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

Le Chaud Lapin wrote:
>
> Hi Again All,
>
> In addition to my 1996 V-* rear kick I mentioned in a concurrent post,
> I have grinding (more like groaning) noise that is speed sensitive,
> about 1 groan every 3 or 4 meters. Also, while driving on the
> highway, the groan is persisent, but at those speeds, you cannot hear
> the individual revolutions, just a loud hum/growl (hard to explain).
> Also, there is a noise that is a fine, high-pitched whine, but not
> very loud, at least not as loud as the hum.
>
> What is this?
>
> -Chaud Lapin-

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

I'm guessing your '96 V8 is sitting in a Grand Cherokee with a bent
aluminum housing, from the use of a floor jack.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

Le Chaud Lapin wrote:
>
> Hi Again All,
>
> In addition to my 1996 V-* rear kick I mentioned in a concurrent post,
> I have grinding (more like groaning) noise that is speed sensitive,
> about 1 groan every 3 or 4 meters. Also, while driving on the
> highway, the groan is persisent, but at those speeds, you cannot hear
> the individual revolutions, just a loud hum/growl (hard to explain).
> Also, there is a noise that is a fine, high-pitched whine, but not
> very loud, at least not as loud as the hum.
>
> What is this?
>
> -Chaud Lapin-

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

Hey Bill et al,

I guess I failed to mentioned that the whining sound is coming
undeniably from the rear.

-Chaud Lapin-


L.W.(ßill) ------ III <----------@cox.net> wrote in message news:<3FA94AA9.3728D69E@cox.net>...
> I'm guessing your '96 V8 is sitting in a Grand Cherokee with a bent
> aluminum housing, from the use of a floor jack.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

Hey Bill et al,

I guess I failed to mentioned that the whining sound is coming
undeniably from the rear.

-Chaud Lapin-


L.W.(ßill) ------ III <----------@cox.net> wrote in message news:<3FA94AA9.3728D69E@cox.net>...
> I'm guessing your '96 V8 is sitting in a Grand Cherokee with a bent
> aluminum housing, from the use of a floor jack.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

Hey Bill et al,

I guess I failed to mentioned that the whining sound is coming
undeniably from the rear.

-Chaud Lapin-


L.W.(ßill) ------ III <----------@cox.net> wrote in message news:<3FA94AA9.3728D69E@cox.net>...
> I'm guessing your '96 V8 is sitting in a Grand Cherokee with a bent
> aluminum housing, from the use of a floor jack.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

There is a normal sorta high pitched hissing sound from the
thing. If someone forgot to add the friction modifier it
can get a bit noisier. The hissing sound is sorta metallic
in nature, but I sure wouldn't call it a whine, and it
isn't that audible unless you are driving in quiet territory.
I'd check for a dinged pumpkin, the fluid level, and then
pull the cover and see if you have abnormal wear.

Unless of course, your mother-in-law regularly rides in the
back seat...

Approximately 11/5/03 22:01, Le Chaud Lapin uttered for posterity:
> Hey Bill et al,
>
> I guess I failed to mentioned that the whining sound is coming
> undeniably from the rear.
>
> -Chaud Lapin-
>
>
> L.W.(ßill) ------ III <----------@cox.net> wrote in message news:<3FA94AA9.3728D69E@cox.net>...
>> I'm guessing your '96 V8 is sitting in a Grand Cherokee with a bent
>> aluminum housing, from the use of a floor jack.
>> God Bless America, ßill O|||||||O
>> mailto:-------------------- http://www.----------.com/


--
My governor can kick your governor's ass

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

There is a normal sorta high pitched hissing sound from the
thing. If someone forgot to add the friction modifier it
can get a bit noisier. The hissing sound is sorta metallic
in nature, but I sure wouldn't call it a whine, and it
isn't that audible unless you are driving in quiet territory.
I'd check for a dinged pumpkin, the fluid level, and then
pull the cover and see if you have abnormal wear.

Unless of course, your mother-in-law regularly rides in the
back seat...

Approximately 11/5/03 22:01, Le Chaud Lapin uttered for posterity:
> Hey Bill et al,
>
> I guess I failed to mentioned that the whining sound is coming
> undeniably from the rear.
>
> -Chaud Lapin-
>
>
> L.W.(ßill) ------ III <----------@cox.net> wrote in message news:<3FA94AA9.3728D69E@cox.net>...
>> I'm guessing your '96 V8 is sitting in a Grand Cherokee with a bent
>> aluminum housing, from the use of a floor jack.
>> God Bless America, ßill O|||||||O
>> mailto:-------------------- http://www.----------.com/


--
My governor can kick your governor's ass

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

There is a normal sorta high pitched hissing sound from the
thing. If someone forgot to add the friction modifier it
can get a bit noisier. The hissing sound is sorta metallic
in nature, but I sure wouldn't call it a whine, and it
isn't that audible unless you are driving in quiet territory.
I'd check for a dinged pumpkin, the fluid level, and then
pull the cover and see if you have abnormal wear.

Unless of course, your mother-in-law regularly rides in the
back seat...

Approximately 11/5/03 22:01, Le Chaud Lapin uttered for posterity:
> Hey Bill et al,
>
> I guess I failed to mentioned that the whining sound is coming
> undeniably from the rear.
>
> -Chaud Lapin-
>
>
> L.W.(ßill) ------ III <----------@cox.net> wrote in message news:<3FA94AA9.3728D69E@cox.net>...
>> I'm guessing your '96 V8 is sitting in a Grand Cherokee with a bent
>> aluminum housing, from the use of a floor jack.
>> God Bless America, ßill O|||||||O
>> mailto:-------------------- http://www.----------.com/


--
My governor can kick your governor's ass

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

The "bent aluminum housing" I was writing about is your rear
differential.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

Le Chaud Lapin wrote:
>
> Hey Bill et al,
>
> I guess I failed to mentioned that the whining sound is coming
> undeniably from the rear.
>
> -Chaud Lapin-

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

The "bent aluminum housing" I was writing about is your rear
differential.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

Le Chaud Lapin wrote:
>
> Hey Bill et al,
>
> I guess I failed to mentioned that the whining sound is coming
> undeniably from the rear.
>
> -Chaud Lapin-

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

The "bent aluminum housing" I was writing about is your rear
differential.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

Le Chaud Lapin wrote:
>
> Hey Bill et al,
>
> I guess I failed to mentioned that the whining sound is coming
> undeniably from the rear.
>
> -Chaud Lapin-

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

Lon Stowell <LonDot.Stowell@ComcastPeriod.Net> wrote in message news:<C9vqb.92873$275.261513@attbi_s53>...
> There is a normal sorta high pitched hissing sound from the
> thing. If someone forgot to add the friction modifier it
> can get a bit noisier. The hissing sound is sorta metallic
> in nature, but I sure wouldn't call it a whine, and it
> isn't that audible unless you are driving in quiet territory.
> I'd check for a dinged pumpkin, the fluid level, and then
> pull the cover and see if you have abnormal wear.
>
> Unless of course, your mother-in-law regularly rides in the
> back seat...

That hag...she ate all of my Otis Spunkmeyer pastries one day while I
ran back into supermarket to get some hot chocolate to go with, so now
she rides in the cargo area.

Your "metallic" reference reminded me of two things it sounds like:

1. My father's table saw slowing down from high-rev
2. Boeing 747 turbo's being rev'ed just before take off.

The sound is definitely metallic. Superposed on that is another sound
that is more like...

Rorh!...Rorh!...Rorh! - It's speed sensitive and is guaranteed
present no matter how long or short the trip.

Finally, I could have sworn I heard a faint remnant of the metallic
sound even when the Jeep was standing still, but not sure, will check.

-Chaud Lapin-

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

Lon Stowell <LonDot.Stowell@ComcastPeriod.Net> wrote in message news:<C9vqb.92873$275.261513@attbi_s53>...
> There is a normal sorta high pitched hissing sound from the
> thing. If someone forgot to add the friction modifier it
> can get a bit noisier. The hissing sound is sorta metallic
> in nature, but I sure wouldn't call it a whine, and it
> isn't that audible unless you are driving in quiet territory.
> I'd check for a dinged pumpkin, the fluid level, and then
> pull the cover and see if you have abnormal wear.
>
> Unless of course, your mother-in-law regularly rides in the
> back seat...

That hag...she ate all of my Otis Spunkmeyer pastries one day while I
ran back into supermarket to get some hot chocolate to go with, so now
she rides in the cargo area.

Your "metallic" reference reminded me of two things it sounds like:

1. My father's table saw slowing down from high-rev
2. Boeing 747 turbo's being rev'ed just before take off.

The sound is definitely metallic. Superposed on that is another sound
that is more like...

Rorh!...Rorh!...Rorh! - It's speed sensitive and is guaranteed
present no matter how long or short the trip.

Finally, I could have sworn I heard a faint remnant of the metallic
sound even when the Jeep was standing still, but not sure, will check.

-Chaud Lapin-

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

Lon Stowell <LonDot.Stowell@ComcastPeriod.Net> wrote in message news:<C9vqb.92873$275.261513@attbi_s53>...
> There is a normal sorta high pitched hissing sound from the
> thing. If someone forgot to add the friction modifier it
> can get a bit noisier. The hissing sound is sorta metallic
> in nature, but I sure wouldn't call it a whine, and it
> isn't that audible unless you are driving in quiet territory.
> I'd check for a dinged pumpkin, the fluid level, and then
> pull the cover and see if you have abnormal wear.
>
> Unless of course, your mother-in-law regularly rides in the
> back seat...

That hag...she ate all of my Otis Spunkmeyer pastries one day while I
ran back into supermarket to get some hot chocolate to go with, so now
she rides in the cargo area.

Your "metallic" reference reminded me of two things it sounds like:

1. My father's table saw slowing down from high-rev
2. Boeing 747 turbo's being rev'ed just before take off.

The sound is definitely metallic. Superposed on that is another sound
that is more like...

Rorh!...Rorh!...Rorh! - It's speed sensitive and is guaranteed
present no matter how long or short the trip.

Finally, I could have sworn I heard a faint remnant of the metallic
sound even when the Jeep was standing still, but not sure, will check.

-Chaud Lapin-

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

Approximately 11/7/03 22:43, Le Chaud Lapin uttered for posterity:

> Lon Stowell <LonDot.Stowell@ComcastPeriod.Net> wrote in message news:<C9vqb.92873$275.261513@attbi_s53>...
>> There is a normal sorta high pitched hissing sound from the
>> thing. If someone forgot to add the friction modifier it
>> can get a bit noisier. The hissing sound is sorta metallic
>> in nature, but I sure wouldn't call it a whine, and it
>> isn't that audible unless you are driving in quiet territory.
>> I'd check for a dinged pumpkin, the fluid level, and then
>> pull the cover and see if you have abnormal wear.
>>
>> Unless of course, your mother-in-law regularly rides in the
>> back seat...
>
> That hag...she ate all of my Otis Spunkmeyer pastries one day while I
> ran back into supermarket to get some hot chocolate to go with, so now
> she rides in the cargo area.
>
> Your "metallic" reference reminded me of two things it sounds like:
>
> 1. My father's table saw slowing down from high-rev
> 2. Boeing 747 turbo's being rev'ed just before take off.

The normal one really isn't that loud, quieter than a normal
suv type tire on rain, can't even hear it with the heater
fan on at all.
>
> The sound is definitely metallic. Superposed on that is another sound
> that is more like...
>
> Rorh!...Rorh!...Rorh! - It's speed sensitive and is guaranteed
> present no matter how long or short the trip.

Think I'd ask your vehicle's proctologist to take a look at the
rear end.

>
> Finally, I could have sworn I heard a faint remnant of the metallic
> sound even when the Jeep was standing still, but not sure, will check.

That would be something else...


--
My governor can kick your governor's ass

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

Approximately 11/7/03 22:43, Le Chaud Lapin uttered for posterity:

> Lon Stowell <LonDot.Stowell@ComcastPeriod.Net> wrote in message news:<C9vqb.92873$275.261513@attbi_s53>...
>> There is a normal sorta high pitched hissing sound from the
>> thing. If someone forgot to add the friction modifier it
>> can get a bit noisier. The hissing sound is sorta metallic
>> in nature, but I sure wouldn't call it a whine, and it
>> isn't that audible unless you are driving in quiet territory.
>> I'd check for a dinged pumpkin, the fluid level, and then
>> pull the cover and see if you have abnormal wear.
>>
>> Unless of course, your mother-in-law regularly rides in the
>> back seat...
>
> That hag...she ate all of my Otis Spunkmeyer pastries one day while I
> ran back into supermarket to get some hot chocolate to go with, so now
> she rides in the cargo area.
>
> Your "metallic" reference reminded me of two things it sounds like:
>
> 1. My father's table saw slowing down from high-rev
> 2. Boeing 747 turbo's being rev'ed just before take off.

The normal one really isn't that loud, quieter than a normal
suv type tire on rain, can't even hear it with the heater
fan on at all.
>
> The sound is definitely metallic. Superposed on that is another sound
> that is more like...
>
> Rorh!...Rorh!...Rorh! - It's speed sensitive and is guaranteed
> present no matter how long or short the trip.

Think I'd ask your vehicle's proctologist to take a look at the
rear end.

>
> Finally, I could have sworn I heard a faint remnant of the metallic
> sound even when the Jeep was standing still, but not sure, will check.

That would be something else...


--
My governor can kick your governor's ass

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

Approximately 11/7/03 22:43, Le Chaud Lapin uttered for posterity:

> Lon Stowell <LonDot.Stowell@ComcastPeriod.Net> wrote in message news:<C9vqb.92873$275.261513@attbi_s53>...
>> There is a normal sorta high pitched hissing sound from the
>> thing. If someone forgot to add the friction modifier it
>> can get a bit noisier. The hissing sound is sorta metallic
>> in nature, but I sure wouldn't call it a whine, and it
>> isn't that audible unless you are driving in quiet territory.
>> I'd check for a dinged pumpkin, the fluid level, and then
>> pull the cover and see if you have abnormal wear.
>>
>> Unless of course, your mother-in-law regularly rides in the
>> back seat...
>
> That hag...she ate all of my Otis Spunkmeyer pastries one day while I
> ran back into supermarket to get some hot chocolate to go with, so now
> she rides in the cargo area.
>
> Your "metallic" reference reminded me of two things it sounds like:
>
> 1. My father's table saw slowing down from high-rev
> 2. Boeing 747 turbo's being rev'ed just before take off.

The normal one really isn't that loud, quieter than a normal
suv type tire on rain, can't even hear it with the heater
fan on at all.
>
> The sound is definitely metallic. Superposed on that is another sound
> that is more like...
>
> Rorh!...Rorh!...Rorh! - It's speed sensitive and is guaranteed
> present no matter how long or short the trip.

Think I'd ask your vehicle's proctologist to take a look at the
rear end.

>
> Finally, I could have sworn I heard a faint remnant of the metallic
> sound even when the Jeep was standing still, but not sure, will check.

That would be something else...


--
My governor can kick your governor's ass

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

"Le Chaud Lapin" <unoriginal_username@yahoo.com> wrote in message
news:fc2e0ade.0311072243.3cf05722@posting.google.c om...
---snip---
>
> Rorh!...Rorh!...Rorh! - It's speed sensitive and is guaranteed
> present no matter how long or short the trip.
>
That sounds like a worn ring and pinion, or a bad axle bearing. Does it get
louder when you are going faster or when you increase the load such as going
up a hill? "Rorh!...Rorh!...Rorh!" has to be ring and pinion...

Earle

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

"Le Chaud Lapin" <unoriginal_username@yahoo.com> wrote in message
news:fc2e0ade.0311072243.3cf05722@posting.google.c om...
---snip---
>
> Rorh!...Rorh!...Rorh! - It's speed sensitive and is guaranteed
> present no matter how long or short the trip.
>
That sounds like a worn ring and pinion, or a bad axle bearing. Does it get
louder when you are going faster or when you increase the load such as going
up a hill? "Rorh!...Rorh!...Rorh!" has to be ring and pinion...

Earle

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

"Le Chaud Lapin" <unoriginal_username@yahoo.com> wrote in message
news:fc2e0ade.0311072243.3cf05722@posting.google.c om...
---snip---
>
> Rorh!...Rorh!...Rorh! - It's speed sensitive and is guaranteed
> present no matter how long or short the trip.
>
That sounds like a worn ring and pinion, or a bad axle bearing. Does it get
louder when you are going faster or when you increase the load such as going
up a hill? "Rorh!...Rorh!...Rorh!" has to be ring and pinion...

Earle

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

"Earle Horton" <enfermero_diabolico@registerednurses.com> wrote in message news:<bojofn$1fcseb$1@ID-147790.news.uni-berlin.de>...
> "Le Chaud Lapin" <unoriginal_username@yahoo.com> wrote in message
> news:fc2e0ade.0311072243.3cf05722@posting.google.c om...
> ---snip---
> >
> > Rorh!...Rorh!...Rorh! - It's speed sensitive and is guaranteed
> > present no matter how long or short the trip.
> >
> That sounds like a worn ring and pinion, or a bad axle bearing. Does it get
> louder when you are going faster or when you increase the load such as going
> up a hill? "Rorh!...Rorh!...Rorh!" has to be ring and pinion...
>
> Earle

Yeah, the "Rorh!...Rorh!...Rorh!" gets louder and increases in
frequency as I get up to highway speeds (55-80). At that point, it's
loud and unnerving, but not so loud to as to be unbearable, as if that
make sense.

I've never used it to tow anything, and have not paid attention on
hills, so don't know. How could this happen? It started when Jeep
was less than 3 years old.

-Chaud Lapin-

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

"Earle Horton" <enfermero_diabolico@registerednurses.com> wrote in message news:<bojofn$1fcseb$1@ID-147790.news.uni-berlin.de>...
> "Le Chaud Lapin" <unoriginal_username@yahoo.com> wrote in message
> news:fc2e0ade.0311072243.3cf05722@posting.google.c om...
> ---snip---
> >
> > Rorh!...Rorh!...Rorh! - It's speed sensitive and is guaranteed
> > present no matter how long or short the trip.
> >
> That sounds like a worn ring and pinion, or a bad axle bearing. Does it get
> louder when you are going faster or when you increase the load such as going
> up a hill? "Rorh!...Rorh!...Rorh!" has to be ring and pinion...
>
> Earle

Yeah, the "Rorh!...Rorh!...Rorh!" gets louder and increases in
frequency as I get up to highway speeds (55-80). At that point, it's
loud and unnerving, but not so loud to as to be unbearable, as if that
make sense.

I've never used it to tow anything, and have not paid attention on
hills, so don't know. How could this happen? It started when Jeep
was less than 3 years old.

-Chaud Lapin-

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

"Earle Horton" <enfermero_diabolico@registerednurses.com> wrote in message news:<bojofn$1fcseb$1@ID-147790.news.uni-berlin.de>...
> "Le Chaud Lapin" <unoriginal_username@yahoo.com> wrote in message
> news:fc2e0ade.0311072243.3cf05722@posting.google.c om...
> ---snip---
> >
> > Rorh!...Rorh!...Rorh! - It's speed sensitive and is guaranteed
> > present no matter how long or short the trip.
> >
> That sounds like a worn ring and pinion, or a bad axle bearing. Does it get
> louder when you are going faster or when you increase the load such as going
> up a hill? "Rorh!...Rorh!...Rorh!" has to be ring and pinion...
>
> Earle

Yeah, the "Rorh!...Rorh!...Rorh!" gets louder and increases in
frequency as I get up to highway speeds (55-80). At that point, it's
loud and unnerving, but not so loud to as to be unbearable, as if that
make sense.

I've never used it to tow anything, and have not paid attention on
hills, so don't know. How could this happen? It started when Jeep
was less than 3 years old.

-Chaud Lapin-

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

Hi Chaud,
Crawl underneath and you will see the bit marks on the aluminum
house from the use of a floor jack.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

Le Chaud Lapin wrote:
>
> Yeah, the "Rorh!...Rorh!...Rorh!" gets louder and increases in
> frequency as I get up to highway speeds (55-80). At that point, it's
> loud and unnerving, but not so loud to as to be unbearable, as if that
> make sense.
>
> I've never used it to tow anything, and have not paid attention on
> hills, so don't know. How could this happen? It started when Jeep
> was less than 3 years old.
>
> -Chaud Lapin-

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

Hi Chaud,
Crawl underneath and you will see the bit marks on the aluminum
house from the use of a floor jack.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

Le Chaud Lapin wrote:
>
> Yeah, the "Rorh!...Rorh!...Rorh!" gets louder and increases in
> frequency as I get up to highway speeds (55-80). At that point, it's
> loud and unnerving, but not so loud to as to be unbearable, as if that
> make sense.
>
> I've never used it to tow anything, and have not paid attention on
> hills, so don't know. How could this happen? It started when Jeep
> was less than 3 years old.
>
> -Chaud Lapin-

Re: Rear Grinding Sound/High-Pitch Barely Audible Whine
 

Hi Chaud,
Crawl underneath and you will see the bit marks on the aluminum
house from the use of a floor jack.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

Le Chaud Lapin wrote:
>
> Yeah, the "Rorh!...Rorh!...Rorh!" gets louder and increases in
> frequency as I get up to highway speeds (55-80). At that point, it's
> loud and unnerving, but not so loud to as to be unbearable, as if that
> make sense.
>
> I've never used it to tow anything, and have not paid attention on
> hills, so don't know. How could this happen? It started when Jeep
> was less than 3 years old.
>
> -Chaud Lapin-