Light Duty Models Under 8500 GVWR
Initial RefillTHM 400 (3L80) 4.1 Liters (4.3 Quarts)
THM 4750 (3L80-HD) 4.1 Liters (4.3 Quarts)
THM 700-R4 (4L60, 4L60E, 4L80E) 4.7 Liters (5.0 Quarts)
With the engine at operating temperature, shift transmission through all gears. Let engine slow idle in PARK for 3 minutes or more. Check fluid level add fluid as needed.