2001 Grand has "thump" in rear end
08-21-2004, 08:06 PM
#21
Guest
Posts: n/a
Re: 2001 Grand has "thump" in rear end
ppdavid proclaimed:
> My 2001 Grand Cherokee developed a "thumping" sound in the rear area at low
> speed on bumpy roads. Started around 40,000 mi...now at 60,000 mi. Getting
> worse. At first I thought it was bad shocks and replaced them to no avail
> at 45,000 mi. I have looked at everything I can think of that might be a
> problem and cannot find any reason for the noise. Spare tire is tight, no
> loose items in spare tire well, suspension looks OK (no visual evidence of
> anything moving around), brake pads are secure, exaust is tight, ujoints OK,
> sway bar is tight, etc.
> I am begining to think that something in the rear suspension is loose or
> sloppy enough to allow a small amount of movement and cause a thumping sound
> as it moves around at slow speed. However, I cannot see any evidence of
> that. I have rebuilt Jeeps from the ground up and generally I can track
> down problems but this has me baffled.
> Has anyone had any problems with the rubber inserts in the rear suspension
> that might allow some slop in the joints? I suspect that is where the
> problem is but I don't want to tear it apart unless I have to.
> Paul D
Check the exhaust where it goes over the rear axle for shiny spots.
> My 2001 Grand Cherokee developed a "thumping" sound in the rear area at low
> speed on bumpy roads. Started around 40,000 mi...now at 60,000 mi. Getting
> worse. At first I thought it was bad shocks and replaced them to no avail
> at 45,000 mi. I have looked at everything I can think of that might be a
> problem and cannot find any reason for the noise. Spare tire is tight, no
> loose items in spare tire well, suspension looks OK (no visual evidence of
> anything moving around), brake pads are secure, exaust is tight, ujoints OK,
> sway bar is tight, etc.
> I am begining to think that something in the rear suspension is loose or
> sloppy enough to allow a small amount of movement and cause a thumping sound
> as it moves around at slow speed. However, I cannot see any evidence of
> that. I have rebuilt Jeeps from the ground up and generally I can track
> down problems but this has me baffled.
> Has anyone had any problems with the rubber inserts in the rear suspension
> that might allow some slop in the joints? I suspect that is where the
> problem is but I don't want to tear it apart unless I have to.
> Paul D
Check the exhaust where it goes over the rear axle for shiny spots.
08-21-2004, 10:21 PM
#22
Guest
Posts: n/a
Re: 2001 Grand has "thump" in rear end
Jerry,
Mine is Dana 44....is that what you had problem with?
Paul D
"Jerry Bransford" <jerrypb@***.net> wrote in message
news:ALOVc.122991$sh.6829@fed1read06...
> Jeep is aware of this problem, my wife's '99 JGC had the same issue and
our
> 2002 has it to a much rarer and smaller extent. It's something inside the
> axle is all I can remember... they even replaced the driveshaft on the '99
> trying to fix it. I think Jeep has a TSB on it.
>
> Jerry
> --
> Jerry Bransford
> PP-ASEL N6TAY
> See the Geezer Jeep at
> http://members.***.net/jerrypb/
> "ppdavid" <ppdavid.nospam@swbell.net> wrote in message
> news:uDNVc.3258$LQ.81@newssvr23.news.prodigy.com.. .
> > My 2001 Grand Cherokee developed a "thumping" sound in the rear area at
> low
> > speed on bumpy roads. Started around 40,000 mi...now at 60,000 mi.
> Getting
> > worse. At first I thought it was bad shocks and replaced them to no
avail
> > at 45,000 mi. I have looked at everything I can think of that might be
a
> > problem and cannot find any reason for the noise. Spare tire is tight,
no
> > loose items in spare tire well, suspension looks OK (no visual evidence
of
> > anything moving around), brake pads are secure, exaust is tight, ujoints
> OK,
> > sway bar is tight, etc.
> > I am begining to think that something in the rear suspension is loose or
> > sloppy enough to allow a small amount of movement and cause a thumping
> sound
> > as it moves around at slow speed. However, I cannot see any evidence of
> > that. I have rebuilt Jeeps from the ground up and generally I can track
> > down problems but this has me baffled.
> > Has anyone had any problems with the rubber inserts in the rear
suspension
> > that might allow some slop in the joints? I suspect that is where the
> > problem is but I don't want to tear it apart unless I have to.
> > Paul D
> >
> >
>
>
Mine is Dana 44....is that what you had problem with?
Paul D
"Jerry Bransford" <jerrypb@***.net> wrote in message
news:ALOVc.122991$sh.6829@fed1read06...
> Jeep is aware of this problem, my wife's '99 JGC had the same issue and
our
> 2002 has it to a much rarer and smaller extent. It's something inside the
> axle is all I can remember... they even replaced the driveshaft on the '99
> trying to fix it. I think Jeep has a TSB on it.
>
> Jerry
> --
> Jerry Bransford
> PP-ASEL N6TAY
> See the Geezer Jeep at
> http://members.***.net/jerrypb/
> "ppdavid" <ppdavid.nospam@swbell.net> wrote in message
> news:uDNVc.3258$LQ.81@newssvr23.news.prodigy.com.. .
> > My 2001 Grand Cherokee developed a "thumping" sound in the rear area at
> low
> > speed on bumpy roads. Started around 40,000 mi...now at 60,000 mi.
> Getting
> > worse. At first I thought it was bad shocks and replaced them to no
avail
> > at 45,000 mi. I have looked at everything I can think of that might be
a
> > problem and cannot find any reason for the noise. Spare tire is tight,
no
> > loose items in spare tire well, suspension looks OK (no visual evidence
of
> > anything moving around), brake pads are secure, exaust is tight, ujoints
> OK,
> > sway bar is tight, etc.
> > I am begining to think that something in the rear suspension is loose or
> > sloppy enough to allow a small amount of movement and cause a thumping
> sound
> > as it moves around at slow speed. However, I cannot see any evidence of
> > that. I have rebuilt Jeeps from the ground up and generally I can track
> > down problems but this has me baffled.
> > Has anyone had any problems with the rubber inserts in the rear
suspension
> > that might allow some slop in the joints? I suspect that is where the
> > problem is but I don't want to tear it apart unless I have to.
> > Paul D
> >
> >
>
>
08-21-2004, 10:21 PM
#23
Guest
Posts: n/a
Re: 2001 Grand has "thump" in rear end
Jerry,
Mine is Dana 44....is that what you had problem with?
Paul D
"Jerry Bransford" <jerrypb@***.net> wrote in message
news:ALOVc.122991$sh.6829@fed1read06...
> Jeep is aware of this problem, my wife's '99 JGC had the same issue and
our
> 2002 has it to a much rarer and smaller extent. It's something inside the
> axle is all I can remember... they even replaced the driveshaft on the '99
> trying to fix it. I think Jeep has a TSB on it.
>
> Jerry
> --
> Jerry Bransford
> PP-ASEL N6TAY
> See the Geezer Jeep at
> http://members.***.net/jerrypb/
> "ppdavid" <ppdavid.nospam@swbell.net> wrote in message
> news:uDNVc.3258$LQ.81@newssvr23.news.prodigy.com.. .
> > My 2001 Grand Cherokee developed a "thumping" sound in the rear area at
> low
> > speed on bumpy roads. Started around 40,000 mi...now at 60,000 mi.
> Getting
> > worse. At first I thought it was bad shocks and replaced them to no
avail
> > at 45,000 mi. I have looked at everything I can think of that might be
a
> > problem and cannot find any reason for the noise. Spare tire is tight,
no
> > loose items in spare tire well, suspension looks OK (no visual evidence
of
> > anything moving around), brake pads are secure, exaust is tight, ujoints
> OK,
> > sway bar is tight, etc.
> > I am begining to think that something in the rear suspension is loose or
> > sloppy enough to allow a small amount of movement and cause a thumping
> sound
> > as it moves around at slow speed. However, I cannot see any evidence of
> > that. I have rebuilt Jeeps from the ground up and generally I can track
> > down problems but this has me baffled.
> > Has anyone had any problems with the rubber inserts in the rear
suspension
> > that might allow some slop in the joints? I suspect that is where the
> > problem is but I don't want to tear it apart unless I have to.
> > Paul D
> >
> >
>
>
Mine is Dana 44....is that what you had problem with?
Paul D
"Jerry Bransford" <jerrypb@***.net> wrote in message
news:ALOVc.122991$sh.6829@fed1read06...
> Jeep is aware of this problem, my wife's '99 JGC had the same issue and
our
> 2002 has it to a much rarer and smaller extent. It's something inside the
> axle is all I can remember... they even replaced the driveshaft on the '99
> trying to fix it. I think Jeep has a TSB on it.
>
> Jerry
> --
> Jerry Bransford
> PP-ASEL N6TAY
> See the Geezer Jeep at
> http://members.***.net/jerrypb/
> "ppdavid" <ppdavid.nospam@swbell.net> wrote in message
> news:uDNVc.3258$LQ.81@newssvr23.news.prodigy.com.. .
> > My 2001 Grand Cherokee developed a "thumping" sound in the rear area at
> low
> > speed on bumpy roads. Started around 40,000 mi...now at 60,000 mi.
> Getting
> > worse. At first I thought it was bad shocks and replaced them to no
avail
> > at 45,000 mi. I have looked at everything I can think of that might be
a
> > problem and cannot find any reason for the noise. Spare tire is tight,
no
> > loose items in spare tire well, suspension looks OK (no visual evidence
of
> > anything moving around), brake pads are secure, exaust is tight, ujoints
> OK,
> > sway bar is tight, etc.
> > I am begining to think that something in the rear suspension is loose or
> > sloppy enough to allow a small amount of movement and cause a thumping
> sound
> > as it moves around at slow speed. However, I cannot see any evidence of
> > that. I have rebuilt Jeeps from the ground up and generally I can track
> > down problems but this has me baffled.
> > Has anyone had any problems with the rubber inserts in the rear
suspension
> > that might allow some slop in the joints? I suspect that is where the
> > problem is but I don't want to tear it apart unless I have to.
> > Paul D
> >
> >
>
>
08-21-2004, 10:21 PM
#24
Guest
Posts: n/a
Re: 2001 Grand has "thump" in rear end
Jerry,
Mine is Dana 44....is that what you had problem with?
Paul D
"Jerry Bransford" <jerrypb@***.net> wrote in message
news:ALOVc.122991$sh.6829@fed1read06...
> Jeep is aware of this problem, my wife's '99 JGC had the same issue and
our
> 2002 has it to a much rarer and smaller extent. It's something inside the
> axle is all I can remember... they even replaced the driveshaft on the '99
> trying to fix it. I think Jeep has a TSB on it.
>
> Jerry
> --
> Jerry Bransford
> PP-ASEL N6TAY
> See the Geezer Jeep at
> http://members.***.net/jerrypb/
> "ppdavid" <ppdavid.nospam@swbell.net> wrote in message
> news:uDNVc.3258$LQ.81@newssvr23.news.prodigy.com.. .
> > My 2001 Grand Cherokee developed a "thumping" sound in the rear area at
> low
> > speed on bumpy roads. Started around 40,000 mi...now at 60,000 mi.
> Getting
> > worse. At first I thought it was bad shocks and replaced them to no
avail
> > at 45,000 mi. I have looked at everything I can think of that might be
a
> > problem and cannot find any reason for the noise. Spare tire is tight,
no
> > loose items in spare tire well, suspension looks OK (no visual evidence
of
> > anything moving around), brake pads are secure, exaust is tight, ujoints
> OK,
> > sway bar is tight, etc.
> > I am begining to think that something in the rear suspension is loose or
> > sloppy enough to allow a small amount of movement and cause a thumping
> sound
> > as it moves around at slow speed. However, I cannot see any evidence of
> > that. I have rebuilt Jeeps from the ground up and generally I can track
> > down problems but this has me baffled.
> > Has anyone had any problems with the rubber inserts in the rear
suspension
> > that might allow some slop in the joints? I suspect that is where the
> > problem is but I don't want to tear it apart unless I have to.
> > Paul D
> >
> >
>
>
Mine is Dana 44....is that what you had problem with?
Paul D
"Jerry Bransford" <jerrypb@***.net> wrote in message
news:ALOVc.122991$sh.6829@fed1read06...
> Jeep is aware of this problem, my wife's '99 JGC had the same issue and
our
> 2002 has it to a much rarer and smaller extent. It's something inside the
> axle is all I can remember... they even replaced the driveshaft on the '99
> trying to fix it. I think Jeep has a TSB on it.
>
> Jerry
> --
> Jerry Bransford
> PP-ASEL N6TAY
> See the Geezer Jeep at
> http://members.***.net/jerrypb/
> "ppdavid" <ppdavid.nospam@swbell.net> wrote in message
> news:uDNVc.3258$LQ.81@newssvr23.news.prodigy.com.. .
> > My 2001 Grand Cherokee developed a "thumping" sound in the rear area at
> low
> > speed on bumpy roads. Started around 40,000 mi...now at 60,000 mi.
> Getting
> > worse. At first I thought it was bad shocks and replaced them to no
avail
> > at 45,000 mi. I have looked at everything I can think of that might be
a
> > problem and cannot find any reason for the noise. Spare tire is tight,
no
> > loose items in spare tire well, suspension looks OK (no visual evidence
of
> > anything moving around), brake pads are secure, exaust is tight, ujoints
> OK,
> > sway bar is tight, etc.
> > I am begining to think that something in the rear suspension is loose or
> > sloppy enough to allow a small amount of movement and cause a thumping
> sound
> > as it moves around at slow speed. However, I cannot see any evidence of
> > that. I have rebuilt Jeeps from the ground up and generally I can track
> > down problems but this has me baffled.
> > Has anyone had any problems with the rubber inserts in the rear
suspension
> > that might allow some slop in the joints? I suspect that is where the
> > problem is but I don't want to tear it apart unless I have to.
> > Paul D
> >
> >
>
>
08-21-2004, 10:21 PM
#25
Guest
Posts: n/a
Re: 2001 Grand has "thump" in rear end
Jerry,
Mine is Dana 44....is that what you had problem with?
Paul D
"Jerry Bransford" <jerrypb@***.net> wrote in message
news:ALOVc.122991$sh.6829@fed1read06...
> Jeep is aware of this problem, my wife's '99 JGC had the same issue and
our
> 2002 has it to a much rarer and smaller extent. It's something inside the
> axle is all I can remember... they even replaced the driveshaft on the '99
> trying to fix it. I think Jeep has a TSB on it.
>
> Jerry
> --
> Jerry Bransford
> PP-ASEL N6TAY
> See the Geezer Jeep at
> http://members.***.net/jerrypb/
> "ppdavid" <ppdavid.nospam@swbell.net> wrote in message
> news:uDNVc.3258$LQ.81@newssvr23.news.prodigy.com.. .
> > My 2001 Grand Cherokee developed a "thumping" sound in the rear area at
> low
> > speed on bumpy roads. Started around 40,000 mi...now at 60,000 mi.
> Getting
> > worse. At first I thought it was bad shocks and replaced them to no
avail
> > at 45,000 mi. I have looked at everything I can think of that might be
a
> > problem and cannot find any reason for the noise. Spare tire is tight,
no
> > loose items in spare tire well, suspension looks OK (no visual evidence
of
> > anything moving around), brake pads are secure, exaust is tight, ujoints
> OK,
> > sway bar is tight, etc.
> > I am begining to think that something in the rear suspension is loose or
> > sloppy enough to allow a small amount of movement and cause a thumping
> sound
> > as it moves around at slow speed. However, I cannot see any evidence of
> > that. I have rebuilt Jeeps from the ground up and generally I can track
> > down problems but this has me baffled.
> > Has anyone had any problems with the rubber inserts in the rear
suspension
> > that might allow some slop in the joints? I suspect that is where the
> > problem is but I don't want to tear it apart unless I have to.
> > Paul D
> >
> >
>
>
Mine is Dana 44....is that what you had problem with?
Paul D
"Jerry Bransford" <jerrypb@***.net> wrote in message
news:ALOVc.122991$sh.6829@fed1read06...
> Jeep is aware of this problem, my wife's '99 JGC had the same issue and
our
> 2002 has it to a much rarer and smaller extent. It's something inside the
> axle is all I can remember... they even replaced the driveshaft on the '99
> trying to fix it. I think Jeep has a TSB on it.
>
> Jerry
> --
> Jerry Bransford
> PP-ASEL N6TAY
> See the Geezer Jeep at
> http://members.***.net/jerrypb/
> "ppdavid" <ppdavid.nospam@swbell.net> wrote in message
> news:uDNVc.3258$LQ.81@newssvr23.news.prodigy.com.. .
> > My 2001 Grand Cherokee developed a "thumping" sound in the rear area at
> low
> > speed on bumpy roads. Started around 40,000 mi...now at 60,000 mi.
> Getting
> > worse. At first I thought it was bad shocks and replaced them to no
avail
> > at 45,000 mi. I have looked at everything I can think of that might be
a
> > problem and cannot find any reason for the noise. Spare tire is tight,
no
> > loose items in spare tire well, suspension looks OK (no visual evidence
of
> > anything moving around), brake pads are secure, exaust is tight, ujoints
> OK,
> > sway bar is tight, etc.
> > I am begining to think that something in the rear suspension is loose or
> > sloppy enough to allow a small amount of movement and cause a thumping
> sound
> > as it moves around at slow speed. However, I cannot see any evidence of
> > that. I have rebuilt Jeeps from the ground up and generally I can track
> > down problems but this has me baffled.
> > Has anyone had any problems with the rubber inserts in the rear
suspension
> > that might allow some slop in the joints? I suspect that is where the
> > problem is but I don't want to tear it apart unless I have to.
> > Paul D
> >
> >
>
>
08-23-2004, 10:03 PM
#26
Guest
Posts: n/a
Re: 2001 Grand has "thump" in rear end
the upper rear control arm has a balljoint in it that might be bad
ppdavid wrote:
> My 2001 Grand Cherokee developed a "thumping" sound in the rear area at low
> speed on bumpy roads. Started around 40,000 mi...now at 60,000 mi. Getting
> worse. At first I thought it was bad shocks and replaced them to no avail
> at 45,000 mi. I have looked at everything I can think of that might be a
> problem and cannot find any reason for the noise. Spare tire is tight, no
> loose items in spare tire well, suspension looks OK (no visual evidence of
> anything moving around), brake pads are secure, exaust is tight, ujoints OK,
> sway bar is tight, etc.
> I am begining to think that something in the rear suspension is loose or
> sloppy enough to allow a small amount of movement and cause a thumping sound
> as it moves around at slow speed. However, I cannot see any evidence of
> that. I have rebuilt Jeeps from the ground up and generally I can track
> down problems but this has me baffled.
> Has anyone had any problems with the rubber inserts in the rear suspension
> that might allow some slop in the joints? I suspect that is where the
> problem is but I don't want to tear it apart unless I have to.
> Paul D
ppdavid wrote:
> My 2001 Grand Cherokee developed a "thumping" sound in the rear area at low
> speed on bumpy roads. Started around 40,000 mi...now at 60,000 mi. Getting
> worse. At first I thought it was bad shocks and replaced them to no avail
> at 45,000 mi. I have looked at everything I can think of that might be a
> problem and cannot find any reason for the noise. Spare tire is tight, no
> loose items in spare tire well, suspension looks OK (no visual evidence of
> anything moving around), brake pads are secure, exaust is tight, ujoints OK,
> sway bar is tight, etc.
> I am begining to think that something in the rear suspension is loose or
> sloppy enough to allow a small amount of movement and cause a thumping sound
> as it moves around at slow speed. However, I cannot see any evidence of
> that. I have rebuilt Jeeps from the ground up and generally I can track
> down problems but this has me baffled.
> Has anyone had any problems with the rubber inserts in the rear suspension
> that might allow some slop in the joints? I suspect that is where the
> problem is but I don't want to tear it apart unless I have to.
> Paul D
08-23-2004, 10:03 PM
#27
Guest
Posts: n/a
Re: 2001 Grand has "thump" in rear end
the upper rear control arm has a balljoint in it that might be bad
ppdavid wrote:
> My 2001 Grand Cherokee developed a "thumping" sound in the rear area at low
> speed on bumpy roads. Started around 40,000 mi...now at 60,000 mi. Getting
> worse. At first I thought it was bad shocks and replaced them to no avail
> at 45,000 mi. I have looked at everything I can think of that might be a
> problem and cannot find any reason for the noise. Spare tire is tight, no
> loose items in spare tire well, suspension looks OK (no visual evidence of
> anything moving around), brake pads are secure, exaust is tight, ujoints OK,
> sway bar is tight, etc.
> I am begining to think that something in the rear suspension is loose or
> sloppy enough to allow a small amount of movement and cause a thumping sound
> as it moves around at slow speed. However, I cannot see any evidence of
> that. I have rebuilt Jeeps from the ground up and generally I can track
> down problems but this has me baffled.
> Has anyone had any problems with the rubber inserts in the rear suspension
> that might allow some slop in the joints? I suspect that is where the
> problem is but I don't want to tear it apart unless I have to.
> Paul D
ppdavid wrote:
> My 2001 Grand Cherokee developed a "thumping" sound in the rear area at low
> speed on bumpy roads. Started around 40,000 mi...now at 60,000 mi. Getting
> worse. At first I thought it was bad shocks and replaced them to no avail
> at 45,000 mi. I have looked at everything I can think of that might be a
> problem and cannot find any reason for the noise. Spare tire is tight, no
> loose items in spare tire well, suspension looks OK (no visual evidence of
> anything moving around), brake pads are secure, exaust is tight, ujoints OK,
> sway bar is tight, etc.
> I am begining to think that something in the rear suspension is loose or
> sloppy enough to allow a small amount of movement and cause a thumping sound
> as it moves around at slow speed. However, I cannot see any evidence of
> that. I have rebuilt Jeeps from the ground up and generally I can track
> down problems but this has me baffled.
> Has anyone had any problems with the rubber inserts in the rear suspension
> that might allow some slop in the joints? I suspect that is where the
> problem is but I don't want to tear it apart unless I have to.
> Paul D
08-23-2004, 10:03 PM
#28
Guest
Posts: n/a
Re: 2001 Grand has "thump" in rear end
the upper rear control arm has a balljoint in it that might be bad
ppdavid wrote:
> My 2001 Grand Cherokee developed a "thumping" sound in the rear area at low
> speed on bumpy roads. Started around 40,000 mi...now at 60,000 mi. Getting
> worse. At first I thought it was bad shocks and replaced them to no avail
> at 45,000 mi. I have looked at everything I can think of that might be a
> problem and cannot find any reason for the noise. Spare tire is tight, no
> loose items in spare tire well, suspension looks OK (no visual evidence of
> anything moving around), brake pads are secure, exaust is tight, ujoints OK,
> sway bar is tight, etc.
> I am begining to think that something in the rear suspension is loose or
> sloppy enough to allow a small amount of movement and cause a thumping sound
> as it moves around at slow speed. However, I cannot see any evidence of
> that. I have rebuilt Jeeps from the ground up and generally I can track
> down problems but this has me baffled.
> Has anyone had any problems with the rubber inserts in the rear suspension
> that might allow some slop in the joints? I suspect that is where the
> problem is but I don't want to tear it apart unless I have to.
> Paul D
ppdavid wrote:
> My 2001 Grand Cherokee developed a "thumping" sound in the rear area at low
> speed on bumpy roads. Started around 40,000 mi...now at 60,000 mi. Getting
> worse. At first I thought it was bad shocks and replaced them to no avail
> at 45,000 mi. I have looked at everything I can think of that might be a
> problem and cannot find any reason for the noise. Spare tire is tight, no
> loose items in spare tire well, suspension looks OK (no visual evidence of
> anything moving around), brake pads are secure, exaust is tight, ujoints OK,
> sway bar is tight, etc.
> I am begining to think that something in the rear suspension is loose or
> sloppy enough to allow a small amount of movement and cause a thumping sound
> as it moves around at slow speed. However, I cannot see any evidence of
> that. I have rebuilt Jeeps from the ground up and generally I can track
> down problems but this has me baffled.
> Has anyone had any problems with the rubber inserts in the rear suspension
> that might allow some slop in the joints? I suspect that is where the
> problem is but I don't want to tear it apart unless I have to.
> Paul D
08-23-2004, 10:03 PM
#29
Guest
Posts: n/a
Re: 2001 Grand has "thump" in rear end
the upper rear control arm has a balljoint in it that might be bad
ppdavid wrote:
> My 2001 Grand Cherokee developed a "thumping" sound in the rear area at low
> speed on bumpy roads. Started around 40,000 mi...now at 60,000 mi. Getting
> worse. At first I thought it was bad shocks and replaced them to no avail
> at 45,000 mi. I have looked at everything I can think of that might be a
> problem and cannot find any reason for the noise. Spare tire is tight, no
> loose items in spare tire well, suspension looks OK (no visual evidence of
> anything moving around), brake pads are secure, exaust is tight, ujoints OK,
> sway bar is tight, etc.
> I am begining to think that something in the rear suspension is loose or
> sloppy enough to allow a small amount of movement and cause a thumping sound
> as it moves around at slow speed. However, I cannot see any evidence of
> that. I have rebuilt Jeeps from the ground up and generally I can track
> down problems but this has me baffled.
> Has anyone had any problems with the rubber inserts in the rear suspension
> that might allow some slop in the joints? I suspect that is where the
> problem is but I don't want to tear it apart unless I have to.
> Paul D
ppdavid wrote:
> My 2001 Grand Cherokee developed a "thumping" sound in the rear area at low
> speed on bumpy roads. Started around 40,000 mi...now at 60,000 mi. Getting
> worse. At first I thought it was bad shocks and replaced them to no avail
> at 45,000 mi. I have looked at everything I can think of that might be a
> problem and cannot find any reason for the noise. Spare tire is tight, no
> loose items in spare tire well, suspension looks OK (no visual evidence of
> anything moving around), brake pads are secure, exaust is tight, ujoints OK,
> sway bar is tight, etc.
> I am begining to think that something in the rear suspension is loose or
> sloppy enough to allow a small amount of movement and cause a thumping sound
> as it moves around at slow speed. However, I cannot see any evidence of
> that. I have rebuilt Jeeps from the ground up and generally I can track
> down problems but this has me baffled.
> Has anyone had any problems with the rubber inserts in the rear suspension
> that might allow some slop in the joints? I suspect that is where the
> problem is but I don't want to tear it apart unless I have to.
> Paul D
08-24-2004, 01:43 AM
#30
Guest
Posts: n/a
Re: 2001 Grand has "thump" in rear end
Yes, both of my wife's JGCs had the same aluminum JGC version of the Dana
44.
Jerry
--
Jerry Bransford
PP-ASEL N6TAY
See the Geezer Jeep at
http://members.***.net/jerrypb/
"ppdavid" <ppdavid.nospam@swbell.net> wrote in message
news:YqTVc.10242$Yn6.7559@newssvr22.news.prodigy.c om...
> Jerry,
> Mine is Dana 44....is that what you had problem with?
> Paul D
>
> "Jerry Bransford" <jerrypb@***.net> wrote in message
> news:ALOVc.122991$sh.6829@fed1read06...
> > Jeep is aware of this problem, my wife's '99 JGC had the same issue and
> our
> > 2002 has it to a much rarer and smaller extent. It's something inside
the
> > axle is all I can remember... they even replaced the driveshaft on the
'99
> > trying to fix it. I think Jeep has a TSB on it.
> >
> > Jerry
> > --
> > Jerry Bransford
> > PP-ASEL N6TAY
> > See the Geezer Jeep at
> > http://members.***.net/jerrypb/
> > "ppdavid" <ppdavid.nospam@swbell.net> wrote in message
> > news:uDNVc.3258$LQ.81@newssvr23.news.prodigy.com.. .
> > > My 2001 Grand Cherokee developed a "thumping" sound in the rear area
at
> > low
> > > speed on bumpy roads. Started around 40,000 mi...now at 60,000 mi.
> > Getting
> > > worse. At first I thought it was bad shocks and replaced them to no
> avail
> > > at 45,000 mi. I have looked at everything I can think of that might
be
> a
> > > problem and cannot find any reason for the noise. Spare tire is tight,
> no
> > > loose items in spare tire well, suspension looks OK (no visual
evidence
> of
> > > anything moving around), brake pads are secure, exaust is tight,
ujoints
> > OK,
> > > sway bar is tight, etc.
> > > I am begining to think that something in the rear suspension is loose
or
> > > sloppy enough to allow a small amount of movement and cause a thumping
> > sound
> > > as it moves around at slow speed. However, I cannot see any evidence
of
> > > that. I have rebuilt Jeeps from the ground up and generally I can
track
> > > down problems but this has me baffled.
> > > Has anyone had any problems with the rubber inserts in the rear
> suspension
> > > that might allow some slop in the joints? I suspect that is where the
> > > problem is but I don't want to tear it apart unless I have to.
> > > Paul D
> > >
> > >
> >
> >
>
>
44.
Jerry
--
Jerry Bransford
PP-ASEL N6TAY
See the Geezer Jeep at
http://members.***.net/jerrypb/
"ppdavid" <ppdavid.nospam@swbell.net> wrote in message
news:YqTVc.10242$Yn6.7559@newssvr22.news.prodigy.c om...
> Jerry,
> Mine is Dana 44....is that what you had problem with?
> Paul D
>
> "Jerry Bransford" <jerrypb@***.net> wrote in message
> news:ALOVc.122991$sh.6829@fed1read06...
> > Jeep is aware of this problem, my wife's '99 JGC had the same issue and
> our
> > 2002 has it to a much rarer and smaller extent. It's something inside
the
> > axle is all I can remember... they even replaced the driveshaft on the
'99
> > trying to fix it. I think Jeep has a TSB on it.
> >
> > Jerry
> > --
> > Jerry Bransford
> > PP-ASEL N6TAY
> > See the Geezer Jeep at
> > http://members.***.net/jerrypb/
> > "ppdavid" <ppdavid.nospam@swbell.net> wrote in message
> > news:uDNVc.3258$LQ.81@newssvr23.news.prodigy.com.. .
> > > My 2001 Grand Cherokee developed a "thumping" sound in the rear area
at
> > low
> > > speed on bumpy roads. Started around 40,000 mi...now at 60,000 mi.
> > Getting
> > > worse. At first I thought it was bad shocks and replaced them to no
> avail
> > > at 45,000 mi. I have looked at everything I can think of that might
be
> a
> > > problem and cannot find any reason for the noise. Spare tire is tight,
> no
> > > loose items in spare tire well, suspension looks OK (no visual
evidence
> of
> > > anything moving around), brake pads are secure, exaust is tight,
ujoints
> > OK,
> > > sway bar is tight, etc.
> > > I am begining to think that something in the rear suspension is loose
or
> > > sloppy enough to allow a small amount of movement and cause a thumping
> > sound
> > > as it moves around at slow speed. However, I cannot see any evidence
of
> > > that. I have rebuilt Jeeps from the ground up and generally I can
track
> > > down problems but this has me baffled.
> > > Has anyone had any problems with the rubber inserts in the rear
> suspension
> > > that might allow some slop in the joints? I suspect that is where the
> > > problem is but I don't want to tear it apart unless I have to.
> > > Paul D
> > >
> > >
> >
> >
>
>