Coolant

COOLING SYSTEM CAPACITY

HD AUTOMATIC TRANSMISSION 25.0 quarts (23.7 liters)
With Engine Driven Cooling Fan

AUTOMATIC TRANSMISSION 26.9 quarts (25.5 liters)
With Engine Driven Cooling Fan

MANUAL TRANSMISSION 27.1 quarts (25.6 liters)
With Engine Driven Cooling Fan

NOTE: ALL capacity specifications are approximate. When replacing or adding fluids, fill to the recommended level and recheck fluid level.