Fluid · CoolantCoolantfor 2003 Chevrolet Astro 4.3L V6 Vortec · RWDFluid TypeACDelco DEX-COOL (Orange)Capacity16qtNotesUse pre-mixed or mix 50/50 with distilled waterOther fluid systems on this vehicleBrake FluidEngine Oil7.5 qtPower Steering1 qtRear Differential2 qtAutomatic Transmission11.5 qtWasher Fluid3.5 qt📝 Suggest a correction to this fluid spec