Engine Front Cover Cleaning and Inspection
WARNING: This page is about a different car, the 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 Chevrolet TrailBlazer, and 2004 Buick Rainier. However, it is still accessible from the selected car via links, so may be relevant.
- Do not use the crankshaft oil seal again. Install a NEW crankshaft oil seal during assembly.
- Do not use the front cover-to-engine block gasket again. Install a NEW gasket during assembly.
- Remove the crankshaft oil seal (140) from the front cover.
- Clean the cover in solvent. Remove the sealant from the cover oil pan surface. Refer to Replacing Engine Gaskets .
- Dry the cover with compressed air.
- Inspect the gasket sealing surfaces for excessive scratches or gouging.
- Inspect the cover-to-oil pan threaded bolt holes for damaged threads or debris.
- Inspect the crankshaft oil seal mounting bore for damage.
IMPORTANT:
CAUTION:
Refer to Safety Glasses Caution
in Cautions and Notices.