Water Pump: Service and Repair

REMOVAL
1. Disconnect negative (-) cable at battery.
2. Drain engine oil.
3. Drain coolant.
4. Remove timing chain cover.





5. Remove water pump assembly (1).

INSPECTION

CAUTION: Do not disassemble water pump. If any repair is required on pump, replace it as assembly.





^ Rotate water pump by hand to check for smooth operation. If pump does not rotate smoothly or makes abnormal noise, replace it.
^ Inspect water pump impeller for damage. Replace as necessary.

INSTALLATION








1. Install new O-rings (3) to water pump (1).
2. Install water pump to cylinder block.
Tightening torque
Water pump bolt (H25 engine) (a): 27 Nm (2.7 kg-m, 19.5 ft. lbs.)
3. Install timing chain cover.
4. Install oil pan, front differential housing, P/S system, cooling system, intake manifold with throttle body and other parts.
5. Refill cooling system with coolant, front differential with gear oil, P/S system with specified fluid and engine with engine oil
6. Check wheel alignment.
7. Verify that there is no fuel leakage, water leakage and oil leakage at each connection.
8. Connect negative (-) cable at battery.