Fluid · Rear DifferentialRear Differentialfor 2018 GMC Terrain 1.6L I4 Turbo Diesel · AWDFluid TypeACDelco 75W-90 Synthetic Gear OilCapacity2qtOther fluid systems on this vehicleBrake FluidCoolant7.5 qtEngine Oil5.5 qtFront Differential1.5 qtPower SteeringTransfer Case2.5 qtAutomatic Transmission13.5 qtWasher Fluid3.5 qt📝 Suggest a correction to this fluid spec