Any idea of the cap. of an 02 G80 locking rear end? I am using Mobil one 75w 90, and have installed 2 qts. The level seems to be about 3/4 to 1" below the bottom of the inlet hole. The manual says for a
2500HD it should be just below the bottom of the hole now, but just below can mean several things. Was wondering if it is all that important to have the level right at the bottom of the hole. I will have to buy another qt. for $9 bucks of which little will be used. TIA, MR- posted
19 years ago