System Specifications

DIFFERENTIAL FLUID

FRONT AND REAR AXLE (Standard Differential)
SAE 80W-90 Axle Lubricant (GM Part No. U.S. 1052271, in Canada 10950849).

REAR AXLE (Locking Differential)
Axle Lubricant; use only GM Part No. U.S. 1052271, in Canada 10950849. Do not add friction modifier.