59. Water Pump Cleaning and Inspection

Water Pump Cleaning and Inspection




1. Clean all excess dirt and debris from the water pump housing.
2. Inspect the water pump for the following conditions:

* Gasket sealing surfaces for excessive scratches or gouging
* Excessive side-to-side play in the pulley shaft
* Leakage at the water pump vent hole
A stain around the vent hole is acceptable. If leakage, dripping, occurs with the engine running and the cooling system pressurized, replace the water pump.
* Wear or damage in the belt tracking area of the pulley (1)




3. Inspect the water manifold for the following conditions:

* Damage to threaded bolt holes (1)
* Restrictions within the internal passages (2, 3)
* Gasket sealing surfaces (4) for excessive scratches or gouging