Crankshaft Rear Oil Seal Housing Cleaning and Inspection
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Do not use the crankshaft rear oil seal again. Install a NEW crankshaft oil seal during assembly.
- Do not use the rear housing-to-engine block gasket again. Install a NEW gasket during assembly.
- Remove the crankshaft oil seal (141) from the rear housing.
- Clean the housing in solvent. Remove the sealant from the housing oil pan surface. Refer to Replacing Engine Gaskets .
- Dry the housing with compressed air.
- Inspect the gasket sealing surfaces for excessive scratches or gouging.
- Inspect the housing-to-oil pan threaded bolt holes for damaged threads or debris.
- Inspect the crankshaft oil seal mounting bore for damage.
NOTE:
WARNING:
Refer to Safety Glasses Warning .