Cleaning and Inspection Procedure - Required
Clean all excess dirt and debris from the water pump (1).
- Inspect the water pump (1) for the following conditions:
- Water pump gasket and hose sealing surfaces for excessive scratches or gouging
- Restrictions within the internal coolant passages
- Excessive side-to-side play in the pulley shaft
- Leakage at the water inlet housing or rear cover
- Leakage at the water outlet housing or water pump outlet
- Leakage at the water pump vent hole
A stain around the vent hole is acceptable. If leakage or dripping occurs with the engine running and the cooling system pressurized, replace the water pump (1).
- Wear or damage in the belt tracking area of the water pump pulley