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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1625 (Engine Mechanical - 4.3L) >> Repair Instructions - On Vehicle >> Crankshaft Rear Oil Seal Housing Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Do not remove the crankshaft rear oil seal housing if only replacing the crankshaft rear oil seal.
    Fig 1: Crankshaft Rear Oil Seal Housing
    GM1877081Courtesy of GENERAL MOTORS CORP.
  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.
    5. Fig 2: Locating Crankshaft Rear Oil Seal Housing Gasket
    GM524322Courtesy 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.
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