Savana 2500 2WD V6-4.3L VIN X (2004)
Fluid - Differential: Fluid Type Specifications
Differential Fluid Type
Front and Rear
Grade ....................................................................................................................................................................................................................... Synthetic
Viscosity ................................................................................................................................................................................................................... 75W-90
2500 and 3500
Grade ............................................................................................................................................................................................................................. GL-5
Viscosity ................................................................................................................................................................................................................... 80W-90