System Specifications

Differential Fluid Type

The content of this article reflects the changes identified in TSB number 05-00-90-010 dated December 07, 2005.

1999-2004 7.25 Inch (Blazer, Jimmy, S-10, Sonoma, Astro, Safari)
Grade GL-5
Viscosity 80W-90
2002-2005 7.25 Inch (Trailblazer, Envoy, Bravada, Rainier
Grade Synthetic
Viscosity 75W-90
8.25 Inch With Selectable 4WD
Grade GL-5
Viscosity 80W-90
8.25 Inch With AWD
Grade Synthetic
Viscosity 75W-90
1999-2001 9.25 Inch
Grade GL-5
Viscosity 80W-90
2002-2005 9.25 Inch
Grade Synthetic
Viscosity 75W-90