System Specifications

AUTOMATIC TRANSMISSION FLUID CAPACITY

6L45 Transmission
Pan Removal and Filter Replacement 6.3 liters (6.7 quarts)
Overhaul 9.7 liters (10.3 quarts)
Complete Trans System 10.5 liters (11.0 quarts)

6L50 Transmission
Pan Removal and Filter Replacement 6.3 liters (6.7 quarts)
Overhaul 9.3 liters (9.8 quarts)
Complete Trans System 10.8 liters (11.4 quarts)
Complete Trans System (Heavy Duty Cooling) 11.0 liters (11.6 quarts)

6L90 Transmission
Pan Removal and Filter Replacement 6.3 liters (6.7 quarts)
Overhaul 12.5 liters (13.2 quarts)
Complete Trans System 13.2 liters (14.0 quarts)

NOTE: All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck fluid level after filling.