Thoughts on a new noise

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Jul 30, 2011 | 09:53 AM

codfish

Thread Starter

Junior Member

Joined: Jun 2010

Posts: 70

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From: Aurora, colorado

Year: 1992

Model: Cherokee

Engine: 4.0

Thoughts on a new noise

Morning All. I have a 92 XJ 4.0l NP231 Auto. Just yesterday it has started with a new squeak noise. It is only there when I am accelerating, but not heavy on the pedal type of acceleration, just kind of in the middle. I also has the same noise when I am coasting down to a slow speed.

It is in somewhere from the transmission back i think....engine rpm does not effect the noise.

Also, it sounds like it is comming from the Tcase...and I power braked it yesterday and the noise was there, so not from the front end.

Any Ideas?

Thanks,
Codfish

Jul 30, 2011 | 09:55 AM

EljayK004

Newbie

Joined: Jun 2011

Posts: 22

Likes: 0

From: SE Michigan

Year: 1991

Model: Cherokee

Engine: 4.0L

Sounds like u-joints. At least, that's where I'd start.

Jul 30, 2011 | 09:56 AM

94JeepCherokeeMan

CF Veteran

Joined: Jun 2011

Posts: 1,023

Likes: 1

From: Southern Idaho

Year: 1994

Model: Cherokee

Engine: 4.0 L/242 CID I-6 High Output MFI

If it's related to wheel speed, it may be a u-joint starting to doe, because my Jeep was making a weird squeaking a long time ago, then the squeaking stopped and the vibrations began. Then the vibes got REALLY BAD and I replaced the u-joint. Problem solved.

Just a suggestion.

Jul 31, 2011 | 04:03 PM

codfish

Thread Starter

Junior Member

Joined: Jun 2010

Posts: 70

Likes: 0

From: Aurora, colorado

Year: 1992

Model: Cherokee

Engine: 4.0

I finally got off of my backside and put it up on jackstands and it is a U-joint. Back to Napa for my second new set....crap.

Thanks and Later,
Codfish