C 1500 Truck 2WD V6-4.3L VIN W (2001)
Fluid - Differential: Fluid Type Specifications
Differential Fluid Type
Front (S4WD)
Grade ............................................................................................................................................................................................................................. GL-5
Viscosity ................................................................................................................................................................................................................... 80W-90
Front (F4WD)
Grade ....................................................................................................................................................................................................................... Synthetic
Viscosity ................................................................................................................................................................................................................... 75W-90
Rear
Grade ....................................................................................................................................................................................................................... Synthetic
Viscosity ................................................................................................................................................................................................................... 75W-90