GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • J 37096 Flywheel Holder
    • J 45059 Electronic Torque Angle Meter

Removal Procedure

  1. Remove the transaxle. Refer to Transmission Replacement.

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

  4. Object Number: 153602  Size: SH
  5. Loosen the 8 engine flywheel bolts.
  6. Remove 7 of the 8 engine flywheel bolts, leaving one bolt at the top of the crankshaft rotation.
  7. Firmly grasp the engine flywheel and remove the remaining bolt. Do not drop the engine flywheel when removing the final bolt.
  8. Remove the engine flywheel.

Installation Procedure


    Object Number: 309963  Size: SH
  1. Install the engine flywheel.
  2. Use the J 37096 to secure the flywheel in order to prevent the crankshaft from rotating.
  3. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 153602  Size: SH
  4. Install the new engine flywheel bolts.
  5. Tighten

    1. Tighten the engine flywheel bolts to 15 N·m (11 lb ft).
    2. Use the J 45059 to rotate the engine flywheel bolts an additional 50 degrees.
  6. Measure the engine 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 transaxle. Refer to Transmission Replacement.