GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1401955  Size: SH

    Important: The flex plate does not use a locating pin for alignment and will not initially seat against the crankshaft flange, but will be pulled onto the crankshaft by the engine flex plate bolts. This procedure requires a 3 stage tightening process.

  1. Remove the engine flex plate bolts.
  2. Remove the flex plate.