TJ Tranmission Oil - Off-Road Forums & Discussion Groups
Jeep-Short Wheelbase All discussion of short wheelbase Jeeps: CJ, TJ, YJ and JK

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post #1 of (permalink) Old 10-03-1999, 11:20 PM
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TJ Tranmission Oil

Time to change all the lubricants in my TJ. The front and rear differentials require 80W-90 gear oil which I have. The transmission requires 75W-90 gear oil which I cannot find locally. I assume the 75W-90 is a petroleum based oil (not synthetic) and is required for cold weather shifting. Anybody know who makes a 75W-90 gear oil.


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post #2 of (permalink) Old 10-04-1999, 11:05 AM
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Re: TJ Tranmission Oil

The only 75W90 I've seen is a marine synthetic.

Brad (from the 4 Wheeling center of the universe, 4 corners USA)
post #3 of (permalink) Old 10-04-1999, 11:58 AM
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Re: TJ Tranmission Oil

You might want visit for types of gear oil you can purchase. I recall there were manual transmission oil and gear oil available, again you might want check your owner's manual and ask the tech at Summit Racing.

Good Luck


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post #4 of (permalink) Old 10-04-1999, 12:33 PM
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Re: TJ Tranmission Oil

Mobil 1 makes a synthetic 75W-90 gear oil that can be used in most manual transmissions.

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