I just had my Av in for the scheduled Diff service.(Z71) To my astonishment the price of the Diff oil is $33.00 a Pint. It take 3 pints. I know the oil is a Mobil 1 synthetic gear oil but $33.00 a PINT. I am in the wrong business.
MrBill said:All right!!!!!!!!! there is six different ways to go here. Does the manual say when to change itI must of missed it. If not, will the real answer please step forward.
gandolphxx said:If you tow or drive real hard and aggressive change the rear after 500 miles of the above abuse, make sure it meets specs, use GM's stuff or equivalent.
Normal use, I would reccomend 5000 then 25K+ after that.