Water Pump: Service and Repair

Part 1 Of 3:

Part 2 Of 3:

Part 3 Of 3:

REMOVAL
1. REMOVE OIL DIPSTICK AND GUIDE
a. Remove the bolt, oil dipstick and guide.
b. Remove the O-ring from the oil dipstick guide.
2. REMOVE TIMING BELT
3. REMOVE WATER INLET AND THERMOSTAT





4. w/ Oil Cooler: DISCONNECT OIL COOLER HOSE FROM WATER PUMP
5. REMOVE WATER PUMP
Remove the 7 bolts and water pump.

INSPECTION





1. INSPECT WATER PUMP
a. Visually check the air hole and water hole for coolant leakage.
If leakage is found, replace the water pump.
If engine coolant has leaked onto the timing belt, replace the timing belt.
b. Turn the pulley, and check that the water pump bearing moves smoothly and quietly.
If necessary, replace the water pump.
2. INSPECT FLUID COUPLING





a. Remove the 4 nuts and fan from the fluid coupling.





b. Check that the fluid coupling is not damaged and that no silicon oil leaks.
If necessary, replace the fluid coupling.
c. Reinstall the fan to the fluid coupling with the 4 nuts.
Torque: 5.4 Nm (55 kgf-cm, 47 inch lbs.)





3. INSPECT FAN PULLEY BRACKET
Check the turning smoothness of the fan pulley.
If necessary, replace the pulley bracket.
4. INSPECT TIMING BELT COMPONENTS

INSTALLATION
1. INSTALL WATER PUMP
a. Remove any old packing (FIPG) material and be careful not to drop any oil on the contact surfaces of the water pump and cylinder block.
^ Using a razor blade and gasket scraper, remove all the old packing (FIPG) material from the gasket surfaces and sealing groove.
^ Thoroughly clean all components to remove all the loose material.
^ Using a non-residue solvent, clean both sealing surfaces.





b. Apply seal packing to the water pump grooves.
Seal packing: Part No. 08820-00100 or equivalent
^ Install a nozzle that has been cut to a 2 - 3 mm (0.08 - 0.12 inch) opening.

NOTICE: Avoid applying an excessive amount to the surface.

^ Parts must be assembled within 5 minutes of application. Otherwise the material must be removed and reapplied.
^ Immediately remove nozzle from the tube and reinstall cap.





c. Install the water pump with the 7 bolts.
Torque: 20 Nm (200 kgf-cm, 14 ft. lbs.)
2. INSTALL THERMOSTAT AND WATER INLET
3. w/ Oil Cooler: CONNECT OIL COOLER HOSE TO WATER PUMP
4. INSTALL TIMING BELT
5. INSTALL OIL DIPSTICK AND GUIDE
a. Install a new O-ring to the oil dipstick guide.
b. Apply soapy water to the O-ring.
c. Push in the oil dipstick guide end into the guide hole of the oil pump.
d. Install the oil dipstick guide to the generator bracket with the bolt.
Torque: 8 Nm (80 kgf-cm, 70 inch lbs.)