GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1970247  Size: SH
  1. Remove the automatic transmission. Refer to Transmission Replacement .
  2. Important: Note the position and direction of the engine flywheel before removal.

  3. Remove the flywheel bolts (1).
  4. Remove the flywheel.

Installation Procedure

Important: The flywheel does not use a locating pin for alignment and will not initially seat against the crankshaft flange or spacer, if applicable, but will be pulled onto the crankshaft by the engine flywheel bolts. This procedure requires a three stage tightening process.


    Object Number: 1970247  Size: SH
  1. Install the flywheel and bolts (1) to the crankshaft.
  2. Apply threadlock to the threads of the flywheel bolts. Refer to Adhesives, Fluids, Lubricants, and Sealers for the correct part number.
  3. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 63174  Size: SH
  4. Tighten the flywheel bolts.
  5. Tighten

    1. Tighten the bolts (1-6) a first pass in sequence to 20 N·m (15 lb ft).
    2. Tighten the bolts (1-6) a second pass in sequence to 50 N·m (37 lb ft).
    3. Tighten the bolts (1-6) a final pass in sequence to 100 N·m (74 lb ft).
  6. Install the automatic transmission. Refer to Transmission Replacement .