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Crankshaft Removal Procedure

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. Before removing the crankshaft, measure the crankshaft end play using the following procedure:
    1. 1.1. Reinstall the lower crankcase.
    2. 1.2. Place a dial indicator at the crankshaft nose.
    3. 1.3. Gently force the crankshaft to the extreme front and rear positions with a pry tool while monitoring the movement of the dial indicator.
    4. 1.4. The crankshaft end play should not exceed 0.05-0.5 mm (0.002-0.020 in).
    5. 1.5. If the specifications are exceeded, replace the thrust bearing.
    6. 1.6. If a new thrust bearing does not bring the tolerances within specification, replace the crankshaft.
    7. 1.7. Remove the lower crankcase.
    Fig 1: Removing Crankshaft
    G01815836Courtesy of GENERAL MOTORS CORP.
  2. Locate or fabricate two V-blocks to support the crankshaft.
  3. Using two hands, lift the crankshaft straight up from the engine block.
  4. Place the crankshaft on the V-blocks in a secure place.
  5. Remove the crankshaft sprocket drive pin (1) from the nose of the crankshaft.
    Fig 2: Removing Crankshaft Sprocket Drive Pin
    G01815837Courtesy of GENERAL MOTORS CORP.
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