Water Pump: Service and Repair

REMOVAL
1. Disconnect negative cable at battery.
2. Drain cooling system.
3. Remove timing belt and tensioner.





4. Remove rubber seal between oil pump and water pump.





5. Remove oil level gauge guide with oil level gauge.





6. Remove generator adjusting arm.





7. Remove water pump assembly.

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

INSPECTION





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

INSTALLATION
1. Install new pump gasket to cylinder block.





2. Install water pump to cylinder block.
Tightening Torque (a): 12 Nm (1.2 kg-m, 8.5 ft. lbs.).





3. After installing water pump, install rubber seal between water pump and oil pump.
4. Install belt tensioner, timing belt and timing belt outside cover.





5. Install generator adjusting arm.
Tightening Torque (a): 23 Nm (2.3 kg-m, 16.5 ft. lbs.).





6. With engine oil applied to O-ring, install oil level gauge guide.
7. Install crankshaft pulley, water pump pulley, pump drive belt, cooling fan/clutch and radiator shroud.
Tightening Torque:
Cooling Fan/Clutch Nuts, Crankshaft Pulley No.2 Bolts: 11 N.m (1.1 kg-m, 8.0 ft. lbs.).
8. Adjust water pump belt tension.
9. Connect negative cable at battery.
10. Fill cooling system.
11. After installation, check each part for leakage.