GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 37096 Flywheel Holder

Removal Procedure


    Object Number: 309963  Size: SH
  1. Remove the automatic transaxle. Refer to Transmission Replacement in Automatic Transaxle - 4T65E.
  2. Use the J 37096 to secure the flywheel in order to prevent the crankshaft from rotating.

  3. Object Number: 54396  Size: SH
  4. Loosen the 6 flywheel bolts.
  5. Remove 5 of the 6 flywheel bolts leaving 1 bolt at the top of the crankshaft rotation.
  6. Grip the flywheel and remove the remaining bolt. Do not drop the flywheel when removing the final bolt.
  7. Remove the engine flywheel retainer and the flywheel.
  8. Clean the engine flywheel bolt threads and bolt holes.

Installation Procedure


    Object Number: 309963  Size: SH
  1. Install the flywheel and the flywheel retainer.
  2. Use the J 37096 to secure the flywheel in order to prevent the crankshaft from rotating.

  3. Object Number: 54396  Size: SH

    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.

  4. Install the engine flywheel bolts.
  5. Tighten
    Tighten the bolts to 71 N·m (52 lb ft).

  6. Measure the flywheel runout:
  7. 4.1. Install a dial indicator on the engine block and check the engine flywheel runout at three attaching bosses. Refer to Engine Mechanical Specifications .
    4.2. If the condition cannot be corrected, replace the engine flywheel.
  8. Install the automatic transaxle. Refer to Transmission Replacement in Automatic Transaxle - 4T65E.