Water Pump: Service and Repair
REPLACEMENT1. REMOVE TIMING BELT
2. REMOVE WATER INLET HOUSING
a. Disconnect the water bypass hose from the water inlet housing.
b. Remove the 2 bolts holding the water inlet housing to the water pump.
c. Disconnect the water inlet housing from the front water bypass joint, and remove the water inlet housing w/ water inlet.
3. REMOVE WATER PUMP ASSEMBLY
a. Remove the 5 bolts, 2 stud bolts, nut, water pump and gasket
b. Remove the O-ring from the water bypass pipe.
4. INSTALL WATER PUMP ASSEMBLY
a. Install a new O-ring to the water bypass pipe end.
b. Apply soapy water to the O-ring.
c. Connect the water pump to the water bypass pipe end.
d. Install the water pump and new gasket with the 5 bolts, 2 stud bolts and nut. Uniformly tighten the bolts, stud bolts and nut in several passes.
Torque:
Bolt 21 Nm (215 kgf-cm, 16 ft. lbs.)
Stud bolt and nut 18 Nm (185 kgf-cm, 13 ft. lbs.)
5. INSTALL WATER INLET HOUSING
Remove any old packing (FIPG) material and be careful not to drop any oil on the contact surfaces of the water inlet housing and water pump.
1. Using a razor blade and gasket scraper, remove all the old packing (FIPG) material from the gasket surfaces and sealing groove.
2. Thoroughly clean all components to remove all the loose material.
3. Using a non-residue solvent, clean both sealing surfaces.
b. Apply seal packing to the sealing groove of water inlet housing as shown in the illustration.
Seal packing: Part No. 08826-00100 or equivalent
1. Install a nozzle that has been cut to a 2 - 3 mm (0.08 - 0.12 inch) opening.
2. Parts must be assembled within 5 minutes of application. Otherwise the material must be removed and reapplied.
3. Immediately remove nozzle from the tube and reinstall cap.
c. Install a new O-ring to the water inlet housing.
d. Apply soapy water on the O-ring.
e. Attach the water inlet housing end to the front water by pass joint hole.
f. Install the water inlet and housing assembly with the 2 bolts. Alternately tighten the bolts.
Torque: 18 Nm (185 kgf-cm, 13 ft. lbs.)
6. INSTALL TIMING BELT
INSPECTION
1. INSPECT WATER PUMP ASSEMBLY
a. Visually check the hole and water hole for coolant leakage.
If leakage is found, replace the water pump and timing belt.
b. Turn the pulley, and check that the water pump bearing moves smoothly and quietly.
If necessary, replace the water pump.