Water Pump: Service and Repair

WATER PUMP COMPONENTS





REMOVAL OF WATER PUMP
1. DRAIN ENGINE COOLANT
2. REMOVE RADIATOR





3. REMOVE WATER PUMP PULLEY
(a) Loosen the drive belt
(b) Remove the pulley mount bolts and pulley together with the drive belt.





4. REMOVE WATER OUTLET HOUSING AND BY-PASS PIPE
(a) Remove the mount bolts of the water outlet housmg
(b) Remove the outlet housing and by-pass pipe.





5. REMOVE WATER INLET HOUSING AND THERMOSTAT
6. REMOVE TIMING BELT UPPER COVER





7. DISCONNECT HEATER OUTLET HOSE FROM OUTLET PIPE
8. REMOVE HEATER OUTLET PIPE MOUNT BOLT





9. REMOVE OIL LEVEL GAUGE AND GUIDE
(a) Remove the oil level gauge.
(b) Remove the mount bolt, and pull out the oil level gauge guide.

NOTE: After pulling out the oil level gauge guide, be sure to plug the oil pump body hole.





10. REMOVE WATER PUMP
(a) Remove the three bolts and water pump.
(b) Remove the two nuts and heater outlet pipe from the pump body.

CAUTION: Be careful not to get coolant on the timing belt.


INSTALLATION OF WATER PUMP




1. INSTALL WATER PUMP
(a) Install the heater outlet pipe together with a new gasket to the water pump with the two nuts.
(b) Install a new 0-ring to the block and install the pump with the three bolts. Torque the bolts.

Torque: 150 kg-cm (11 ft-lb, 15 Nm)





2. INSTALL OIL LEVEL GAUGE GUIDE AND GAUGE
(a) Install a new 0-ring on the oil level gauge guide.
(b) Push in the oil level gauge guide with the 0-ring coated with a small amount of engine oil.
(c) Install mount bolt





3. INSTALL HEATER OUTLET PIPE MOUNT BOLT
4. CONNECT HEATER OUTLET HOSE TO OUTLET PIPE
5. INSTALL TIMING BELT UPPER COVER





6. INSTALL THERMOSTAT AND WATER INLET HOUSING
- Install the thermostat, a new gasket and the water inlet housing with the two nuts.





7. INSTALL WATER OUTLET HOUSING AND BY-PASS PIPE
(a) Install two new 0-rings on the by-pass pipe.
(b) Apply a little engine oil to the 0-rings.
(c) Install the by-pass pipe to the water outlet housing.





(d) Install the water outlet together with the water bypass pipe.
(e) Install the two mount bolts.





8. INSTALL WATER PUMP PULLEY
- Place drive belts on the water pump pulley and install the water pump pulley with the bolts.
9. INSTALL RADIATOR
10. FILL WITH ENGINE COOLANT
11. START ENGINE AND CHECK FOR LEAKS