Coolant

Cooling System Capacity


Base Radiator
Without Aux Rear Heat 19.4 quarts (18.4 liters)
With Aux Rear Heat 20.7 quarts (19.6 liters)

Heavy Duty Trailer Tow
Without Aux Rear Heat 19.7 quarts (18.6 liters)
With Aux Rear Heat 20.9 quarts (19.8 liters)