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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1618 (Engine Mechanical - 4.3L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Crankshaft Rear Oil Seal Housing Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Do not remove the crankshaft rear oil seal housing if only replacing the crankshaft rear oil seal.
  1. Remove the oil pan. Refer to Oil Pan Replacement .
  2. Remove the engine flywheel. Refer to Engine Flywheel Replacement .
  3. Remove the housing bolts and nut.
  4. Remove the housing.
    Fig 1: Housing, Bolts & Nuts
    G02106038Courtesy of GENERAL MOTORS CORP.
  5. Remove and discard the housing gasket.
  6. Clean all the sealing surfaces.
  7. Inspect and replace the housing for warping, cracks, wear, or damage.
    Fig 2: Housing Gasket
    G02106039Courtesy of GENERAL MOTORS CORP.
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