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Old 07-29-2014, 11:10 AM
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Jeep Grand Cherokee 1999 4L Banging/Jumping

I have a Grand Cherokee Larado 4.7 V8 1999, it is Banging/Jumping in 4L when turning at slow speed, and its getting worse, any ideas??. It appears to be from the front, but not sure.

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Old 07-29-2014, 11:39 AM
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Re: Jeep Grand Cherokee 1999 4L Banging/Jumping

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Originally Posted by macwooster View Post
I have a Grand Cherokee Larado 4.7 V8 1999, it is Banging/Jumping in 4L when turning at slow speed, and its getting worse, any ideas??. It appears to be from the front, but not sure.
Front CV joints with cracked covers, dried lube?
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Old 07-29-2014, 01:55 PM
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Re: Jeep Grand Cherokee 1999 4L Banging/Jumping

OK thanks will take a look. Another noise, when I rotate the front wheel back a forth, I get a lash noise from the Transfer Case, is that normal
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Old 07-29-2014, 01:59 PM
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Re: Jeep Grand Cherokee 1999 4L Banging/Jumping

Thanks I will take a look. BTW, when I rotate the front wheel back and forward, I get a lash noise from the transfer case, is this normal
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Old 07-29-2014, 09:27 PM
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Re: Jeep Grand Cherokee 1999 4L Banging/Jumping

This sounds as the T-case chain with too much slack. It will make the noise when it skips teeth. The chain can be changed separately, or look for a used T-case. You could also go for a NV242 T-case instead of the standard NV247. It will give you the option to select 4Hi. The NV247 has a progressive coupling which should engage the front wheels, but which most probably is not working anymore. This part is quite expensive to change ($ 500+).
When your jeep is quadra drive, then tire skipping noises when making a turn can be caused by lack of limited slip additive in the front differential.
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Old 07-30-2014, 02:41 PM
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Re: Jeep Grand Cherokee 1999 4L Banging/Jumping

Thank you again that is very useful information, appreciate your quick feedback. Mark
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