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post #1 of (permalink) Old 09-02-2002, 02:28 AM
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Ratcheting sound while on 4WD

I took my 84 Cherokee in the mud a couple of days ago. I noticed today while on 4WD going on a steep uphill that there's a Ratcheting noise coming from the front end. If I drive on flat surface on 4WD (auto) I dont hear any weird sound. Has anyone experienced this before? What are the things I need to check. Any suggestions ?
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post #2 of (permalink) Old 09-02-2002, 07:29 AM
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Re: Ratcheting sound while on 4WD

When the axel U-joint goes bad and the needles fall out, the joint can make that retcheting sound. It still transfers power because the cross is trapped in the caps, but it rattles and scrapes and grinds. Probably gets worse as you steer.
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post #3 of (permalink) Old 09-02-2002, 09:46 AM
 
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Re: Ratcheting sound while on 4WD

Check the locking hubs, when my fell apart it made a similar sound.
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post #4 of (permalink) Old 09-02-2002, 10:30 AM
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Re: Ratcheting sound while on 4WD

An 84 cherokee with stock axles won't have any locking hubs.

I don't believe the cherokee used the axle disconnect either.

One other possibility is that the transfer case chain is stretched and needs to be replaced.
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post #5 of (permalink) Old 09-02-2002, 11:28 AM
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Re: Ratcheting sound while on 4WD

The front driveshaft on my 85 XJ sometimes makes a ratcheting noise when in 4wd as the axle cycles up and down. The noise is not present when driving on a flat surface in 4wd. Some of the older XJs use a CV joint at the t-case. It could need lubing. Also, some of the older XJs used CV joints on the front axle shafts opposed to U-joints. The older XJs used the vaccum disco.

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post #6 of (permalink) Old 09-02-2002, 11:33 AM
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Re: Ratcheting sound while on 4WD

Your comment about the CV at the transfer case reminded me of something else. The early XJ's have CV joints at the wheels instead of u-joints. One of those could be bad too.
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post #7 of (permalink) Old 09-02-2002, 11:40 AM
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Re: Ratcheting sound while on 4WD

Thanks WILL! I was in the process of editing that part in, I just rememebered myself.
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