Water Pump: Service and Repair

WATER PUMP





REMOVAL

WATER PUMP PULLEY

1) Disconnect the ground cable from battery.





2) Remove the V-belts.
3) Remove the main fan motor assembly.
4) Lift up the vehicle.
5) Remove the under cover.
6) Remove the water pump pulley using the ST.
ST1 18355AA000 PULLEY WRENCH
ST2 18334AA030 PULLEY WRENCH PIN SET





WATER PUMP

1) Drain engine coolant.
2) Remove the water pump pulley.
3) Remove the front exhaust pipe.
4) Remove the water pump from the oil pan upper.





INSTALLATION

WATER PUMP PULLEY

1) Using the ST, install the water pump pulley.
ST1 18355AA000 PULLEY WRENCH
ST2 18334AA030 PULLEY WRENCH PIN SET

Tightening torque:
14 Nm (1.4 kgf-m, 10.3 ft-lb)





2) Install the under cover.
3) Lower the vehicle.
4) Install the main fan motor assembly.
5) Install the V-belts.
6) Connect the battery ground terminal.





WATER PUMP

1) Install the water pump to oil pan upper.

NOTE:
Use a new gasket.

Tightening torque:
6.4 Nm (0.7 kgf-m, 4.7 ft-lb)





2) Install the front exhaust pipe.
3) Install the water pump pulley.
4) Fill engine coolant.

INSPECTION

1) Check the water pump bearing for smooth rotation.
2) Check the water pump pulley for abnormalities.
3) Make sure the impeller is not abnormally deformed or damaged.