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).

Installation
1. Install new O-rings (3) to water pump (1).





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

Inspection

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

1. Rotate water pump by hand to check for smooth operation. If pump does not rotate smoothly or makes abnormal noise, replace it.





2. Inspect water pump impeller for damage. Replace as necessary.