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Unread 03-22-2002, 11:13 AM   #1
ptcpa
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Join Date: Mar 2002
Location: Wisconsin
Posts: 15
rear differential noise

Quick question regarding our newly purchased Jeep GC if I may. Having been a GM guy for my entire life, my wife and I recently decided to purchase a '96 4x4 GC 5.2 V8. What we have noticed during the past few weeks is that there appears to be a significant amount of 'noise' from the rear differential which sounds like 'metal-to-metal' contact. Is this a problem on the GC? I have changed the fluid (which was not low) and found no shavings. Any thoughts on how we might remedy if this is a common problem with the Jeeps? Thanks!

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Unread 03-24-2002, 10:10 AM   #2
warhawk
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Join Date: Mar 2002
Location: Langley B.C.
Posts: 1
Are you sure the noise is coming from the rear
diff? I've got a 97 limited 5.2L and notice at
speeds between 60 and about 75 mph, I get a real
whine from the drivetrain(front end I think).
Trying to find out if this is a problem or just
the nature of the beast. As for your problem,
isn't there some kind of additive that you are
supposed to add to the diff. when changing fluid?
Cheers.
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Unread 03-25-2002, 12:14 PM   #3
Brian's 97 ZJ
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Posts: 372
Is it a gnashing sound, like the ring and pinion are grinding one another?

Dai
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Unread 03-25-2002, 11:38 PM   #4
ptcpa
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Join Date: Mar 2002
Location: Wisconsin
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Dai......it does sound like a "gnashing sound", kinda like the ring and pinion are too close to one another.

Warhawk.......did add an additive to the fluid and even used a 75/140 weight fluid (a little thicker fluid which is recommended for towing applications by Chrysler) and the 'gnashing' sound is still there.

This past weekend I had my wife drive and I crawled in back and it does appear to be coming from the back. Then put on jack stands and ran to be certain in wasn't rear tire noise, and it does appear to be rear differential noise.

Any other thoughts? Is there a TSB out from Chrysler on this by chance?
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1996 Grand Cherokee Limited 4x4
Fully Loaded, Black, 5.2L V8
K&N with 'high-flow' exhaust....sounds better than a 5.9
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