52. Engine Block Valley Cover Clean and Inspect

Engine Valley Cover Cleaning and Inspection





1. Important:
^ Do not use the valley cover knock sensor oil seals again. Install NEW oil seals during assembly.
^ Do not use the valley cover gasket again. Install a NEW gasket during assembly.

Remove the knock sensor oil seals (520) from the valley cover (555).
2. Clean the valley cover in solvent.

3. Caution: Refer to Safety Glasses Caution in Service Precautions.

Dry the valley cover with compressed air.
4. Inspect the gasket sealing surfaces for excessive scratches or gouging.
5. Inspect the valley cover oil seal bores for excessive scratches or gouging.