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Diff fluid?

wildcar

NAXJA Forum User
Location
south central Pa
I did a search and didn't find what I was looking for. I went to the auto parts store and they said I need 80w-85-90 weight for my XJ. It's a 93 sport 2 door with the AX-15. Is that right?
 
Do your axles have LSD? You will need a friction modifier additive is so.

I'm pretty sure the 75W140 (if you tow) is Synthetic. I'm guessing, the Synthetic is necessary for cold temps, so the fluid will flow well enough until it warms up.
 
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