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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 26 (Engine Mechanical - 4.8L, 5.3L, And 6.0L (3 Of 4)) >> Off-Vehicle Repair Instructions (2 Of 3) >> Engine Valley Cover Cleaning and Inspection

Engine Valley Cover Cleaning and Inspection

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Knock Sensor Oil Seals & Valley Cover
    GM1277106Courtesy of GENERAL MOTORS CORP.
    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.
  1. 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 .
  3. Dry the valley cover with compressed air.
  4. Inspect the gasket sealing surfaces for excessive scratches or gouging. Refer to Replacing Engine Gaskets .
  5. Inspect the valley cover oil seal bores for excessive scratches or gouging.
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