Cleaning and Inspection Procedure - Required
Clean the cover in solvent. Remove the sealant from the front cover to the oil pan surface.
- Dry the cover with compressed air.
- Inspect the gasket sealing surfaces (1) for excessive scratches or gouging.
- Inspect the threaded bolt holes (2, 3, 5) for damaged threads or debris.
- Inspect the camshaft position sensor pass-thru hole and sealing surface (4) for excessive scratches or gouging.
- Inspect the oil flow control valve connector pass-thru hole and sealing surface (6) for excessive scratches or gouging.
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