Volt

Water Pump Replacement

1. Drain coolant fluid. Refer to Cooling System Draining and Filling .
2. Remove the water pump pulley. Refer to Water Pump Pulley Replacement .



3. Remove the radiator inlet hose (2) and the engine coolant temperature sensor connector (1), from the water inlet pipe (3).



4. Remove the heater water shutoff hose (1).



5. Remove the 5 short water pump bolts (2) and the 5 long water pump bolts (1).
6. Remove the water pump (4).
7. Remove the water pump gasket (3).
8. If replacing the water pump, transfer the water inlet pipe and thermostat to the new water pump. Refer to Water Inlet Replacement .

1. Clean the sealing surfaces.



2. Install the water pump (4) and a NEW water pump gasket (3).

Caution: Refer to Fastener Caution in the Preface section.

3. Install the 5 short water pump bolts (2) and the 5 long water pump bolts (1) and tighten in a cross sequence to 8 N·m (71 lb in).
4. Install the water pump pulley. Refer to Water Pump Pulley Replacement .



5. Install the heater water shutoff hose (1).



6. Install the radiator inlet hose (2) and the engine coolant temperature sensor connector (1), to the water inlet pipe (3)..
7. Fill up the coolant fluid. Refer to Cooling System Draining and Filling .
8. Start the engine and check for coolant leaks.