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. |
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@cox.net> wrote in message news:ALOVc.122991$sh.6829@fed1read06... > Jeep is aware of this problem, my wife's '99 JGC had the same issue and our > 2002 has it to a much rarer and smaller extent. It's something inside the > axle is all I can remember... they even replaced the driveshaft on the '99 > trying to fix it. I think Jeep has a TSB on it. > > Jerry > -- > Jerry Bransford > PP-ASEL N6TAY > See the Geezer Jeep at > http://members.cox.net/jerrypb/ > "ppdavid" <ppdavid.nospam@swbell.net> wrote in message > news:uDNVc.3258$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 > > > > > > |
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@cox.net> wrote in message news:ALOVc.122991$sh.6829@fed1read06... > Jeep is aware of this problem, my wife's '99 JGC had the same issue and our > 2002 has it to a much rarer and smaller extent. It's something inside the > axle is all I can remember... they even replaced the driveshaft on the '99 > trying to fix it. I think Jeep has a TSB on it. > > Jerry > -- > Jerry Bransford > PP-ASEL N6TAY > See the Geezer Jeep at > http://members.cox.net/jerrypb/ > "ppdavid" <ppdavid.nospam@swbell.net> wrote in message > news:uDNVc.3258$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 > > > > > > |
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@cox.net> wrote in message news:ALOVc.122991$sh.6829@fed1read06... > Jeep is aware of this problem, my wife's '99 JGC had the same issue and our > 2002 has it to a much rarer and smaller extent. It's something inside the > axle is all I can remember... they even replaced the driveshaft on the '99 > trying to fix it. I think Jeep has a TSB on it. > > Jerry > -- > Jerry Bransford > PP-ASEL N6TAY > See the Geezer Jeep at > http://members.cox.net/jerrypb/ > "ppdavid" <ppdavid.nospam@swbell.net> wrote in message > news:uDNVc.3258$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 > > > > > > |
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@cox.net> wrote in message news:ALOVc.122991$sh.6829@fed1read06... > Jeep is aware of this problem, my wife's '99 JGC had the same issue and our > 2002 has it to a much rarer and smaller extent. It's something inside the > axle is all I can remember... they even replaced the driveshaft on the '99 > trying to fix it. I think Jeep has a TSB on it. > > Jerry > -- > Jerry Bransford > PP-ASEL N6TAY > See the Geezer Jeep at > http://members.cox.net/jerrypb/ > "ppdavid" <ppdavid.nospam@swbell.net> wrote in message > news:uDNVc.3258$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 > > > > > > |
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 |
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 |
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 |
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 |
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.cox.net/jerrypb/ "ppdavid" <ppdavid.nospam@swbell.net> wrote in message news:YqTVc.10242$Yn6.7559@newssvr22.news.prodigy.c om... > Jerry, > Mine is Dana 44....is that what you had problem with? > Paul D > > "Jerry Bransford" <jerrypb@cox.net> wrote in message > news:ALOVc.122991$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.cox.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 > > > > > > > > > > > > |
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