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Thread: what gear oil are you using?

  1. #1
    djais1801's Avatar
    djais1801 is offline Cadillac Owners Fanatic
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    what gear oil are you using?

    i replaced my front/rear and transfer case oil with Amsoil severe gear on my 03 EXT...and used Royal Purple on my 08 Wrangler Sahara..both were good...
    anyone else have comments or different choice? My rig just hit 100,000 mile mark, and am planning the 100k tune up...and change the driveshaft oils.


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  3. #2
    6lbsofSound is offline Cadillac Owners Fanatic
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    Re: what gear oil are you using?

    Royal purple,amsoil,mobile 1,redline they are all good and exceed OE specs. No need for a friction modifier as they all include it.

    It's just a matter of personal preference.

  4. #3
    Fox2boost is offline Cadillac Owners Member
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    Just changed alliance to royal purple.

  5. #4
    Fox2boost is offline Cadillac Owners Member
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    All mine*^

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    godsdiablo is offline Cadillac Owners Connoisseur
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    Re: what gear oil are you using?

    What weight did you use?

  7. #6
    Fox2boost is offline Cadillac Owners Member
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    Max gear 75-90w for the front and rear diffs and there ATF for the transfer case. The right stuff silicone for the rear end cover. Gaskets always leak. Be clean and the right silicone is your Freind.

  8. #7
    djais1801's Avatar
    djais1801 is offline Cadillac Owners Fanatic
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    Re: what gear oil are you using?

    Quote Originally Posted by Fox2boost View Post
    Max gear 75-90w for the front and rear diffs and there ATF for the transfer case. The right stuff silicone for the rear end cover. Gaskets always leak. Be clean and the right silicone is your Freind.
    exactly!


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