System Specifications

Automatic Transmission - 4L60-E
Pan Removal 5 Quarts (4.7 Liters)
Overhaul 11 Quarts (10.6 Liters)
300mm Torque Converter Dry Fill 11.2 Quarts (10.6 Liters)

Automatic Transmission - 6L80
Pan Removal and Filter Replacement 6.0 Quarts (5.7 Liters)
Overhaul 10.5 Quarts (9.9 Liters)
Complete Trans System 12.2 Quarts (11.5 Liters)
Complete Trans System (Heavy Duty Cooling) 12.4 Quarts (11.7 Liters)

Automatic Transmission - 6L90
Pan Removal and Filter Replacement 6.0 Quarts (5.7 Liters)
Overhaul 10.5 Quarts (9.9 Liters)
Complete Trans System (Heavy Duty Cooling) 12.4 Quarts (11.7 Liters)

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