GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1602755  Size: SH
  1. Remove the automatic transmission. Refer to Transmission Replacement .
  2. Remove the flywheel bolts and flywheel.
  3. Clean and inspect the engine flywheel. Refer to Engine Flywheel Cleaning and Inspection .

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 3-stage tightening process.


    Object Number: 1602755  Size: SH
  1. Install the flywheel to the crankshaft.
  2. Apply threadlock to the threads of the flywheel bolts. Refer to Adhesives, Fluids, Lubricants, and Sealers .
  3. Notice: Refer to Fastener Notice in the Preface section.


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

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