Water Pump: Service and Repair

Removal Of Water Pump






1. Drain engine coolant
2. Disconnect water temperature switch connector
3. Disconnect radiator lower hose from water inlet housing
4. Remove timing belt and pulleys






5. Remove water pump and water pump cover assembly

(a) Remove the two nuts holding the pump to the water by-pass pipe.






(b) Remove the three bolts in the sequence shown.
(c) Pull out the water pump together with pump cover.
(d) Remove the two 0-rings and gasket.






6. Disassemble water pump and water pump cover

Remove the three bolts, water pump and gasket from the pump cover.

Inspection Of Water Pump Inspect Water Pump






Turn the pulley and check that the water pump bearing moves smoothly and quietly.

Installation Of Water Pump






1. Assemble water pump and water pump cover

Install a new gasket and the pump to the pump cover with the three bolts.

Torque: 90 kg-cm (78 in.lb, 8.8 N-m)






2. Install water pump and water pump cover assembly
(a) Install two new 0-rings and gasket to the pump cover and water by-pass pipe.
(b) Apply a light coat of engine oil on the 0-ring of the water by-pass pipe.
(c) Connect the pump cover to the water by-pass pipe. Do not install the nuts yet.






(d) Install the water pump with the three bolts. Torque the bolts in the sequence shown.

Torque: 95 kg-cm (82 in.lb, 9.3 N-m)






(e) Install the two nuts holding the pump cover to the water by-pass pipe.

Torque: 95 kg-cm (82 in.lb, 9.3 N-m)

3. Install pulleys and timing belt
4. Connect radiator lower hose
5. Connect water temperature switch connector
6. Fill with engine coolant