Fluid - Differential
REAR AXLE
NON-LIMITED SLIP DIFFERENTIAL
DEXRON MTF Gear 75W-90 (GM Part No. 88863089).
LIMITED SLIP DIFFERENTIAL
DEXRON LS Gear 75W-90 (GM Part No. 88862624, in Canada 88862625).
ALL-WHEEL DRIVE
DEXRON MTF Gear 75W-90 (GM Part No. 88863089).