System Specifications

DIFFERENTIAL FLUID TYPE

REAR AXLE (RWD)
SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 12378261, in Canada 10953455) meeting GM Specification 9986115.

FRONT AXLE (ALL-WHEEL DRIVE)
SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 12378261, in Canada 10953455) meeting GM Specification 9986115.