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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1670 (Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L - Repair Instructions - Off Vehicle (2 Of 3)) >> Engine Front Cover Cleaning and Inspection

Engine Front Cover Cleaning and Inspection

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Gasket Sealing Surfaces & Bolt Holes
    GM1658228Courtesy of GENERAL MOTORS CORP.
    NOTE:
    • 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 .
    2. WARNING: Refer to Safety Glasses and Compressed Air Warning .
  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.
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