Cooling System

WATER PUMP
Structure:
1—Water pump housing
2—Water pump impeller
3—Water pump gear
4—Water pump shaft bearing
5—Water pump seal (ceramics-lead)
Disassembly:
——To disconnect the negative terminal of battery;
——
To discharge engine coolant (refer to the coolant
discharge process);
——To disconnect poly V-belt and power pump belt;
——To demount timing shield;
——To unscrew and take
4 bolts out of the front side of
cylinder block.
——To demount the water pump assembly;
——To demount the water pump gasket.
Assembly:
——To install the new gasket on the water pump;
——
To install the water pump assembly in the cylinder
block and screw up 4 fixing bolts by hand, and
then screw up to 7.0—10.0Nm;
——
The water pump impeller installed in the cylinder
block should be able to rotate freely;
——To refill engine coolant;
——To check leakage occurrences of engine coolant.
Note: Because water pump assembly can not be
repaired, it should be replaced when
seal ring or bearing
is worn and torn.
Tightening Torque
Gasket
C-6
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