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rear diff use 75w140 synthetic if you tow quite a bit with it. 3.8qts approx. If not you can use 80/90, but it's up to you. Tranny, I just used regular dextron III I think it is, you can use synthetic there if you want too.
rear diff use 75w140 synthetic if you tow quite a bit with it. 3.8qts approx. If not you can use 80/90, but it's up to you. Tranny, I just used regular dextron III I think it is, you can use synthetic there if you want too.
I have a bunch of Royal Purple 75/90 but don't do a bunch of towing. I do carry heavy loads on occasion and haul a little 5x8 utility trailer. Would the RP do the trick or should I get some 140?
When you have the diff cover off do you spray the internals with brake cleaner?
If there is a need just wipe things off with shop towel. I wouldn't spray brake cleaner in there. Probably wouldn't hurt anything. But I still wouldn't unless I was taking it apart.