Fluid · Brake FluidBrake Fluidfor 2021 GMC Sierra 1500 6.2L V8 · RWDFluid TypeACDelco DOT 4 Brake FluidNotesReplace when moisture content exceeds 3% or every 2-3 yearsOther fluid systems on this vehicleCoolant18 qtEngine Oil8.5 qtPower SteeringRear Differential2 qtAutomatic Transmission13.5 qtWasher Fluid3.5 qt📝 Suggest a correction to this fluid spec