Fluid · Rear DifferentialRear Differentialfor 2003 Chevrolet Astro 4.3L V6 Vortec · RWDFluid TypeACDelco 75W-90 Synthetic Gear OilCapacity2qtNotesLimited-slip additive may be requiredOther fluid systems on this vehicleBrake FluidCoolant16 qtEngine Oil7.5 qtPower Steering1 qtAutomatic Transmission11.5 qtWasher Fluid3.5 qt📝 Suggest a correction to this fluid spec