Engine Front Cover Cleaning and Inspection RPO LY2/LC9/LY5/LMG

Important: 

•	Do not use the crankshaft front oil seal again. Install a NEW crankshaft front oil seal during assembly.

•	Do not use the front cover-to-engine block gasket again. Install a NEW gasket during assembly.

1. Remove the crankshaft front oil seal (4) from the front cover.
2. Clean the cover in solvent. Remove the sealant from the cover oil pan surface. Refer to Replacing Engine Gaskets .

Caution: Refer to Safety Glasses and Compressed Air Caution in the Preface section.

3. Dry the cover with compressed air.
4. Inspect the gasket sealing surfaces for excessive scratches or gouging.
5. Inspect the threaded bolt holes for damaged threads or debris.
6. Inspect the crankshaft oil seal and camshaft position (CMP) sensor mounting bore for damage.

Engine Front Cover Cleaning and Inspection RPO LY6/L76/L92

Important: 

•	Do not use the crankshaft front oil seal again. Install a NEW crankshaft front oil seal during assembly.

•	Do not use the front cover-to-engine block gasket again. Install a NEW gasket during assembly.

•	Do not use the camshaft position (CMP) actuator magnet gasket again. Install a NEW gasket during assembly.

1. Clean the cover in solvent. Remove the sealant from the cover oil pan surface. Refer to Replacing Engine Gaskets .

Caution: Refer to Safety Glasses and Compressed Air Caution in the Preface section.

2. Dry the cover with compressed air.
3. Inspect the gasket sealing surfaces (1, 4) for excessive scratches or gouging.
4. Inspect the threaded bolt holes (2, 3) for damaged threads or debris.