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 Post subject: I Need help with something
PostPosted: Sat Nov 07, 2020 2:09 pm 
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My 98 zj needs the front and rear differentials rebuilt. How do I figure out which ones it has and the gear ratio? Trying not to buy the wrong stuff.

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 Post subject: Re: I Need help with something
PostPosted: Sat Nov 07, 2020 2:38 pm 
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Are the metal tags attached to one or two of the diff cover bolts still there?

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 Post subject: Re: I Need help with something
PostPosted: Sat Nov 07, 2020 3:40 pm 
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Mopargarage wrote:
My 98 zj needs the front and rear differentials rebuilt. How do I figure out which ones it has and the gear ratio? Trying not to buy the wrong stuff.

Plug in your VIN number on website (link below) to see OEM build sheet.
4x4 axle ratio should be the same for front & rear. 3.73 is one commonly used ratio. :wink:

https://fcacommunity.force.com/RAM/s/equipment-listing

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 Post subject: Re: I Need help with something
PostPosted: Thu Nov 19, 2020 2:21 pm 
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I was able to run the vin and it told my what diffs and gear ratio. Now are there any tips on diagnosing or rebuilding the diffs?

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 Post subject: Re: I Need help with something
PostPosted: Thu Nov 19, 2020 2:27 pm 
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 Post subject: Re: I Need help with something
PostPosted: Thu Nov 19, 2020 9:47 pm 
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Just wondering why you think both diffs need to be " rebuilt"??


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