Water Pump Clean and Inspect

1. Remove the old gasket material from the water pump sealing surfaces.

CAUTION: Refer to Safety Glasses Caution.

2. Clean all the dirt and any debris from the water pump.
3. Inspect the water pump for the following:
^ Leakage or damage to the housing cover or gasket (1)
^ Excessive scratches or gouging to the gasket sealing surfaces (2)
^ Leakage from the water pump vent hole (3) A stain around the vent hole is acceptable. If leakage occurred (dripping) with the engine operating and the cooling system pressurized, then replace the water pump.
^ Damaged bolt hole threads (4)
^ Excessive side-to-side movement of the water pump shaft (5)
^ Leakage around the water inlet pipe (6)
^ Leakage around the heater hose pipe (7)
^ Restrictions within the internal coolant passages