System Specifications

4T80-E AUTOMATIC TRANSMISSION
PAN & Side Cover 7.5 Liters (8.0 QTS)
Overhaul 12.0 Liters (12.6 QTS)
Dry 14.2 Liters (15.0 QTS)

With the engine at operating temperature, shift transmission through all gears. Let engine slow idle in PARK for at least 3 minutes. Check fluid level and add fluid as needed