CAC Gasoline Engine Maintenance And Servicing Manual
54
2) The removal and installation of water pump
assembly
——The structure of water pump assembly
1—water pump case
2—water pump impeller
3—water pump gear
4—water pump bearing
5—water pump seal (ceramics—black lead)
Removal:
——Loosen and remove four bolts from the
front end of cylinder block
——Remove water pump assembly
——Remove sealing gasket of water pump
Installation:
——Install new sealing gasket of water
pump on the water pump
——Install the water pump assembly inside
the cylinder block and screw in four
retaining bolt by hand, then tighten to
7.0—10.0Nm.
Note: The water pump assembly may not be
serviced. When water seal or bearing is
damaged, the water pump assembly should
be replaced
Fig. 94
Tighten torque
Sealing plate
Fig. 95
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