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feedback needed.
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=64846		 Page 1 of 1
Author:  camo [ Mon Jan 23, 2012 10:22 pm ]
Post subject:  feedback needed.
1.My limited is started having a sound when I release the gas pedal in the freeway. I sounds like if there where stones on the transmission skid plate. I visually inspected all underneath yesterday and it all seems to be in place, also, I did replace both motor mounts about 5k miles ago so that rules out. ideas where to look?
2.the second thing is that when I press on the brakes with medium force the steering wheel wobbles a bit. and when I check yesterday all looked OK visually, rotors, pads, fluids, all seem ok. any ideas on this one?
thanks in advance.
Author:  msilbernagel [ Mon Jan 23, 2012 10:53 pm ]
Post subject:  Re: feedback needed.
camo wrote:
1.My limited is started having a sound when I release the gas pedal in the freeway. I sounds like if there where stones on the transmission skid plate. I visually inspected all underneath yesterday and it all seems to be in place, also, I did replace both motor mounts about 5k miles ago so that rules out. ideas where to look?
2.the second thing is that when I press on the brakes with medium force the steering wheel wobbles a bit. and when I check yesterday all looked OK visually, rotors, pads, fluids, all seem ok. any ideas on this one?
thanks in advance.


#1's just a guess - but you might inspect the U-joints.

#2 sounds like runout on the rotors - when it get's too annoying you can either have them turned or replaced.

Mark
Author:  camo [ Mon Jan 23, 2012 10:57 pm ]
Post subject:  Re: feedback needed.
How I do inspect the u-joints? they look and feel solid.
thnx
Author:  4x4kingx889 [ Mon Jan 23, 2012 11:32 pm ]
Post subject:  Re: feedback needed.
Our libertys don't have u joints they have Cv joint's
Author:  camo [ Mon Jan 23, 2012 11:36 pm ]
Post subject:  Re: feedback needed.
Ujoints at the driveshaft not CVjoints as in wheel axles. It has two of them at the drive shaft (cardone) one front one rear. how Do I check them?
Author:  mark2m [ Tue Jan 24, 2012 3:06 pm ]
Post subject:  Re: feedback needed.
If the ujoint is worn enough you will be able to see and feel the slop in the joint by turning the driveshaft back and forth. Sometimes though it may only be one bearing cap that has gone bad and isn't noticeable enough except when decelerating. This is what happened to me. I had the ever slightest vibration on deceleration and the driveshaft felt solid when I turned it but once I removed the ujoint one of the bearings had failed and all of the needle bearings were dust under that cap. Index the driveshaft when you take it apart since it is a balanced assy. HTH
Author:  camo [ Tue Jan 24, 2012 10:11 pm ]
Post subject:  Re: feedback needed.
Quote:
If the ujoint is worn enough you will be able to see and feel the slop in the joint by turning the driveshaft back and forth. Sometimes though it may only be one bearing cap that has gone bad and isn't noticeable enough except when decelerating. This is what happened to me. I had the ever slightest vibration on deceleration and the driveshaft felt solid when I turned it but once I removed the ujoint one of the bearings had failed and all of the needle bearings were dust under that cap. Index the driveshaft when you take it apart since it is a balanced assy. HTH

Thanks, this sounds like it is my case!!! what kind of vibration and/or noise you had when decelerating?
Author:  mark2m [ Wed Jan 25, 2012 6:33 pm ]
Post subject:  Re: feedback needed.
camo wrote:
Quote:
If the ujoint is worn enough you will be able to see and feel the slop in the joint by turning the driveshaft back and forth. Sometimes though it may only be one bearing cap that has gone bad and isn't noticeable enough except when decelerating. This is what happened to me. I had the ever slightest vibration on deceleration and the driveshaft felt solid when I turned it but once I removed the ujoint one of the bearings had failed and all of the needle bearings were dust under that cap. Index the driveshaft when you take it apart since it is a balanced assy. HTH


Thanks, this sounds like it is my case!!! what kind of vibration and/or noise you had when decelerating?


I had a very slight squeak coming from my CRD that I was never able to pin down. I only heard it once and and while and it was usually when the sound was bounced off of a wall or divider when moving very slowly. It was really barely noticeable. As far as vibes I felt them through the seat just during deceleration. Again the vibes were minimal and easy to overlook.
Author:  LIBERTYinLIBERTY [ Fri Jan 27, 2012 4:46 pm ]
Post subject:  Re: feedback needed.
Also, check exhaust heat shields.
Author:  racertracer [ Sat Jan 28, 2012 5:22 am ]
Post subject:  Re: feedback needed.
if you have a rattling noise near the muffler area, check this out:

The rear heat shields attached to the body nearest the exhaust and transmission, will collect small pebbles that will rattle your brain. Slide a thin twig or copper wire between the heat shield and body to remove trapped pebbles.

The rattle drove me nuts and it took forever to locate.

Let us know if this was the problem.
Author:  camo [ Sun Jan 29, 2012 11:54 pm ]
Post subject:  Re: feedback needed.
Thanks for the reply. I did check that today and no pebbles at all. also, I replaced the ujoints but the noise remains!!! It only sounds when I let go the gas pedal while cruising and it is more evident when the torque converter is locked up. What are the symptoms of loose torque converter bolts?
thanks
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