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what kind of gear oil...

chpjeep

NAXJA Forum User
Location
Delaware
i have a 91xj and i did a search found out that i have a dana 30 in the front and a 35 in the back, but the front is leaking badly i need to change the seal and the back is seeping so im going to do that to and i need to know what kind of oil i think its 75w-90 does it matter what kind? and alsow the last time i ran 4w/d it wouldnt change back to 2w/d could that be from the front diff leaking??
 
GL-5 rated dif lube, you will find the rating on the back of the bottle.

75w-90 in the front
same in rear, unless towing............if towing, or if off road use, 75w-140

those are factory recomended. if you have modified the difs, then you may need to choose differently.

Gene MJ
Member 435
 
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