Water Pump: Service and Repair

Coolant Pump (Except LHO)






Remove or Disconnect

1. Negative battery cable.
- Drain the radiator.
2. Intake duct.
3. Drive belt. Refer to "Drive Belt" Service and Repair.
4. Radiator inlet hose and clamp from the thermostat.
5. Coolant pump pulley bolts.
6. Coolant pump pulley.
7. Radiator outlet hose and clamp from the coolant pump.
8. Coolant pump bolts.
9. Coolant pump.
10. Gaskets.

Clean

- Gasket surfaces on the coolant pump sealing areas.

Install or Connect

Notice: When fasteners are removed, always reinstall them at the same location from which they were removed. If a fastener needs to be replaced, use the correct part number fastener for that application. If the correct part number fastener is not available, a fastener of equal size and strength (or stronger) may be used. Fasteners that are not reused and those requiring thread locking compound will be called out. The correct torque value must be used when installing fasteners that require it. If the above conditions are not followed, parts or system damage could result.

1. New gaskets.
2. Coolant pump.
3. Coolant pump bolts.

Tighten
- Bolts to 41 Nm (30 lb. ft.).

4. Radiator outlet hose and clamp to the coolant pump.
5. Coolant pump pulley.
6. Coolant pump pulley bolts.

Tighten
- Bolts to 31 Nm (23 lb. ft.).

7. Radiator inlet hose and clamp to the thermostat.
8. Drive belt. Refer to "Drive Belt" Service and Repair.
9. Intake duct.
10. Negative battery cable.
- Refill the radiator. Refer to "Draining and Refilling the Cooling System" Service and Repair.

Inspect

- For leaks, after running the engine to normal operating temperature.