Fluid - A/T

6T40 AUTOMATIC TRANSMISSION FLUID CAPACITY - RPO MH8, MHH
Valve Body Cover Removal 5.3 - 7.4 quarts (5.0 - 7.0 liters)
Fluid Change - Drain Plug 4.2 - 6.3 quarts (4.0 - 6.0 liters)
Overhaul 8.5 - 9.0 quarts (8.0 - 8.5 liters)

6T70 AUTOMATIC TRANSMISSION FLUID CAPACITY - RPO M7W
Valve Body Cover Removal 5.3 - 7.4 quarts (5.0 - 7.0 liters)
Fluid Change - Drain Plug 4.2 - 6.3 quarts (4.0 - 6.0 liters)
Overhaul 7.4 - 9.5 quarts (7.0 - 9.0 liters)

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