GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

J 37096 Flywheel Holder

  1. Remove the automatic transaxle. Refer to Transmission Replacement in Automatic Transaxle.

  2. Object Number: 309963  Size: SH
  3. Install the J 37096 in order to prevent crankshaft rotation.

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

Installation Procedure

Tools Required

    • J 36660-A Electronic Torque Angle Meter
    • J 37096 Flywheel Holder

    Object Number: 54396  Size: SH
  1. Install the engine flywheel and the flywheel retainer.
  2. Install the engine flywheel bolts.

  3. Object Number: 309963  Size: SH
  4. Install the J 37096 in order to prevent crankshaft rotation.
  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. Tighten the engine flywheel bolts.
  7. Tighten
    Tighten the engine flywheel bolts to 71 N·m (52 lb ft).

    IMPORTANT: The crankshaft end play must be held in one direction during this check. Runout should not exceed 0.38 mm (0.015 in).

  8. Use the following procedure to measure engine flywheel runout:
  9. 5.1. Install a dial indicator on the engine block and check the engine flywheel runout.
    5.2. If the runout exceeds 0.38 mm (0.015 in) replace the engine flywheel.
  10. Install the automatic transaxle. Refer to Transmission Replacement in Automatic Transaxle - 4T65-E.