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Discussion Starter · #1 ·
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.

Thanks

 
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Discussion Starter · #2 ·
The only 75W90 I've seen is a marine synthetic.

Brad (from the 4 Wheeling center of the universe, 4 corners USA)
 
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Discussion Starter · #3 ·
You might want visit Summitracing.com 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

Nycjeep88 :)

 
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Discussion Starter · #4 ·
Mobil 1 makes a synthetic 75W-90 gear oil that can be used in most manual transmissions.

 
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