Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Fluid Type Specifications

DIFFERENTIAL FLUID

FRONT AXLE
SAE 80W-90 Axle Lubricant (GM Part No. U.S. 89021671, in Canada 89021672).

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