Suburban 1/2 Ton 4WD V8-454 7.4L (1987)
Fluid - A/T: Capacity Specifications
Leaded Gasoline Models
Type.....................................................................................................................................................................................................................................AF
CAPACITY, Initial Refill*:
Hydra-Matic 350.................................................................................................................................................................................3.3 Liters 3.5 Quarts
Hydra-Matic 400.................................................................................................................................................................................4.1 Liters 4.3 Quarts
Hydra-Matic 700-R4...........................................................................................................................................................................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
and add fluid as needed
Unleaded Gasoline Models
Type.....................................................................................................................................................................................................................................AF
CAPACITY, Initial Refill*:
Hydra-Matic 350.................................................................................................................................................................................3.3 Liters 3.5 Quarts
Hydra-Matic 400.................................................................................................................................................................................4.1 Liters 4.3 Quarts
Hydra-Matic 700-R4...........................................................................................................................................................................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
and add fluid as needed
THM 400/475 Transmission
Pan Capacity ............................................................................................................................................................................................................... 4.0 Qts
Overhaul Capacity .................................................................................................................................................................................................... 10.0 Qts