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Unread 03-06-2013, 09:45 PM   #1
SchwennysJeep
Registered User
1994 ZJ 
 
Join Date: Mar 2013
Location: Dane, Wisconsin
Posts: 2
Front axle/diff? noise, PLEASE HELP!

My 1994 5.2L 4x4 ZJ with a D30 front axle makes this annoying clunking while accelerating and braking only. The noise will stop completely when letting off the accelerator and coast. The clunking speeds up and gets louder the faster I drive.
I replaced the front drive shaft Ujoints that were questionable thinking thats what was causing the clunking no luck there.

Could somebody please help, I'm not sure what to check or try next.

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Unread 03-06-2013, 10:00 PM   #2
ZJMatt
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1998 ZJ 
 
Join Date: Jul 2012
Location: Weare, New Hampshire
Posts: 473
Quote:
Originally Posted by SchwennysJeep View Post
My 1994 5.2L 4x4 ZJ with a D30 front axle makes this annoying clunking while accelerating and braking only. The noise will stop completely when letting off the accelerator and coast. The clunking speeds up and gets louder the faster I drive.
I replaced the front drive shaft Ujoints that were questionable thinking thats what was causing the clunking no luck there.

Could somebody please help, I'm not sure what to check or try next.
As far as the accelerating, I'd suspect the double cardan joint in the front shaft. Even if you replaced the u-joints, the ball and socket could be bad.
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The "Mall Crawler" - 1998 ZJ Grand Cherokee 5.2 V8, D44a rear axle, NP242 ESY transfer case swap, 4.5" Rough Country lift, Up-Country skids, 31x10.5x15 Destination M/T, future mods planned.
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Unread 03-07-2013, 11:42 AM   #3
SchwennysJeep
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1994 ZJ 
 
Join Date: Mar 2013
Location: Dane, Wisconsin
Posts: 2
I was thinking maybe a bad bearing in the front diff, but I really dont know.
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