GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the transmission. Refer to Transmission Replacement in Automatic Transaxle 4T40 - E/4T45 - E.

  2. Object Number: 54396  Size: SH
  3. Remove the flywheel attaching bolts. Use a suitable tool in order to prevent crankshaft rotation.
  4. Remove the flywheel spacer.
  5. Remove the flywheel.
  6. Clean the flywheel bolt threads and the bolt holes.

Installation Procedure

  1. Apply thread locker to all of the flywheel bolts. Use GM P/N 12345382 or an equivalent.

  2. Object Number: 54396  Size: SH
  3. Install the flywheel.
  4. Install the flywheel spacer.
  5. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  6. Install the flywheel bolts.
  7. Tighten
    Tighten the flywheel bolts to 83 N·m (61 lb ft).

  8. Install the transmission. Refer to Transmission Replacement in Automatic Transaxle 4T40 - E/4T45 -E.