56. Water Pump Clean and Inspect
Water Pump Cleaning and InspectionInspect the water pump (300) for the following conditions:
^ Gasket sealing surfaces for excessive scratches or gouging
^ Restrictions within the coolant passages
^ Excessive side-to-side play in the pulley shaft
^ A loose belt pulley or a pulley with excessive wear in the belt tracking area
^ Leakage at the vent hole
A stain around the vent hole is acceptable. If leakage occurs, such as dripping with the engine running or the cooling system pressurized, replace the water pump.