Water Pump Cleaning and Inspection (7.0L)
- Remove the old gasket (306) from the water pump sealing surfaces. Refer to Replacing Engine Gaskets .
- Clean all excess dirt and debris from the water pump housing.
- Inspect the water pump (300) for the following conditions:
- 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 outlet housing or rear cover
- 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