Quote:
Originally Posted by CamaroFemme
That's what I THOUGHT, but this place seemed downright SKITTISH.
Okay, so, bottom line: warranty intact as long as correct fluid is used?
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Yes.
Straight from the manual.
"Rear Differential Fluid 75W-90 Limited Slip (GM Part No. 89021677
and Friction Modifier 1052358, in Canada 89021678 and
Friction Modifier 992694)."
Also Mobil1 75w-90 LS is the same as the GM stuff. In fact if go to the parts section and give them that parts number, some dealers will give you a bottle of Mobil1 75w-90 LS.