Fluid Type Specifications

REAR AXLE FLUID
SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 89021677, in Canada 89021678).

REAR DIFFERENTIAL
Clutch Fluid GM Part No. U.S. 88863349, in Canada 88863350).

REAR DIFFERENTIAL
Limited Slip Additive GM Part No. U.S. 1052358, in Canada 992694).