Front axle/diff? noise, PLEASE HELP! - JeepForum.com
 
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post #1 of 3 Old 03-06-2013, 09:45 PM Thread Starter
SchwennysJeep
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1994 ZJ 
 
Join Date: Mar 2013
Location: Dane
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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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post #2 of 3 Old 03-06-2013, 10:00 PM
ZJMatt
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1998 ZJ 
 
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Location: Weare, NH
Posts: 503
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.

The "Mall Crawler" - 1998 ZJ Grand Cherokee 5.2 V8, 5.5" LongArms, 32s, 12000lb winch & more.
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post #3 of 3 Old 03-07-2013, 11:42 AM Thread Starter
SchwennysJeep
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1994 ZJ 
 
Join Date: Mar 2013
Location: Dane
Posts: 2
I was thinking maybe a bad bearing in the front diff, but I really dont know.
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