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Crankshaft Bearing Removal

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora and 2001 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
  1. Prepare a piece of cardboard, or equivalent, numbered one to five for bearing identification. Main bearing journals are numbered from the front of the engine.
  2. Remove the crankshaft upper bearing halves from the cylinder block. Note the position of the thrust bearing (1) at the number three journal (2).
  3. Place the crankshaft upper bearing halves on the cardboard in the correct positions. Note that the number three bearing is the thrust bearing.
    Fig 1: Removing Crankshaft Upper Bearing Halves
    G01815163Courtesy of GENERAL MOTORS CORP.
  4. Remove the crankshaft lower bearing halves from the lower crankcase.

    Important:  The number three crankshaft lower bearing is wider than the other crankshaft lower bearings.

  5. Place the crankshaft lower bearing halves in the correct positions on the cardboard.
    Fig 2: Removing Crankshaft Lower Bearing Halves
    G01815164Courtesy of GENERAL MOTORS CORP.
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