C 3500 Truck 2WD V8-454 7.4L VIN J SFI (1999)
1. On the 5.0L and 5.7L, install the coolant pump to the engine block.
2. Install the new gaskets.
NOTICE: Refer to Fastener Notice in Service Precautions.
3. Install the bolts.
^
Tighten the bolts to 41 Nm (30 ft. lbs.).
4. On the 7.4L, install the coolant pump to the engine block.
5. Install the new gaskets.
6. Install the bolts.
^
Tighten the bolts to 41 Nm (30 ft. lbs.).
7. Connect the radiator outlet hose to the coolant pump.
^
For the 5.0L, refer to Radiator Hose Replacement (5.0L).
^
For the 5.7L, refer to Radiator Hose Replacement (5.7L).
^
For the 7.4L, refer to Radiator Hose Replacement (7.4L).
^
Refer to Radiator Hose Replacement (6.5L Diesel).
8. Connect the heater hose to the coolant pump. Refer to Heater Hoses Replacement in Heating and Air Conditioning.
9. On the 7.4L engine, connect the bypass hose.
10. Install the coolant pump pulley, the fan, and fan clutch to the coolant pump hub.
^
For the 5.0L, 5.7L, and the 6.5L engines refer to Fan Clutch Replacement (5.0L, 5.7L and 6.5L).
^
For the 7.4L, refer to Fan Clutch Replacement (7.4L).
11. Install the drive belt. Refer to Drive Belt Replacement or Drive Belt Replacement in Engine.
12. Install the upper fan shroud. Refer to Fan Shroud Replacement (Upper).
13. Start the engine. Run the engine, with the radiator cap removed, until the upper radiator hose becomes hot (This indicates that the thermostat is
open).
14. While the engine is running at idle speed, add coolant to the radiator, until the level reaches the bottom of the filler neck. Refer to Draining and
Filling Cooling System.
