TrailBlazer 2WD V8-5.3L (2007)
Fluid - Differential: Fluid Type Specifications
AXLE LUBRICANT
FRONT AXLE
SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 89021677, in Canada 89021678) meeting GM Specification 9986115.
REAR AXLE (EXCEPT SS MODEL)
SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 89021677, in Canada 89021678) meeting GM Specification 9986115.
REAR AXLE (SS MODEL)
SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 89021677, in Canada 89021678) meeting GM Specification 9986115. With a complete drain
and refill add 5.5 ounces (163 ml) of Limited-Slip Axle Lubricant Additive (GM Part No. U.S. 1052358, in Canada 992694) where required.