Water Pump: Service and Repair

WATER PUMP





WARNING: Never remove the radiator cap when the engine is hot. Serious burns could occur from high pressure coolant escaping from the radiator.

REMOVAL
Water Pump
1. Drain the engine coolant.

CAUTION: Perform when the engine is cold.

2. Remove the generator.
3. Remove the water pump.
^ Coolant will leak from the cylinder block, have a drain pan in position.

CAUTION:
^ Handle the water pump vane so that it does not contact any other parts.
^ The water pump cannot be disassembled and should be replaced as a unit.

4. Remove the water pipe mounting bolts.
5. Remove the water pump housing from the engine block. Use a new gasket for installation.

Water Pipe
1. Remove the water pump.
2. Remove the exhaust manifold.
3. Remove the water pipe from the thermostat housing.

INSTALLATION
Installation is in the reverse order of removal.

NOTE: When inserting the water pipe end into the thermostat housing, apply coolant to the O-ring seal and install immediately.