Water Pump: Service and Repair

WATER PUMP AND WATER PIPE





REMOVAL

1) Remove the radiator.
2) Remove the V-belts.
3) Remove the crank pulley.
4) Remove the chain cover.
5) Remove the timing chain assembly.
6) Remove the water pump from the oil pan upper.





INSTALLATION

1) Tighten the bolts in the numerical order as shown in the figure, and install water pump to the oil pan upper.

NOTE:
Use new O-rings.

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





2) Install the timing chain assembly.
3) Install the chain cover.
4) Install the crank pulley.
5) Install the V-belts.
6) Install the radiator.
7) Fill engine coolant.

INSPECTION

1) Check the water pump bearing for smooth rotation.
2) Check the water pump sprocket for abnormalities.
3) Make sure the impeller is not abnormally deformed or damaged.
4) After water pump installation, check pulley shaft for engine coolant leaks or noise. If leaks or noise are noted, replace the water pump assembly.