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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1020 (Engine Mechanical - 6.6L (LLY)) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Engine Flywheel Housing Cleaning and Inspection

Engine Flywheel Housing Cleaning and Inspection

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the O-rings from the flywheel housing and discard.
  2. Clean the flywheel housing.
  3. Clean the flywheel housing mating surfaces.
  4. Clean the flywheel housing O-ring sealing area.
  5. Inspect the flywheel housing for cracks.
  6. Inspect the flywheel housing mating surfaces for damage.
  7. Inspect the crankshaft rear oil seal bore for damage.
    8. Fig 1: View Of Flywheel Housing O-Ring Seals
    GM663771Courtesy of GENERAL MOTORS CORP.
  8. Replace the flywheel housing if any damage is found.
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