GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 38122-A Crankshaft Balancer Holder
    • J 45059 Angle Meter

Removal Procedure


    Object Number: 467429  Size: SH
  1. Remove the transmission. Refer to Transmission Replacement .
  2. Using the J 38122-A , hold the crankshaft balancer.

  3. Object Number: 1578311  Size: SH

    Important: It may be necessary to remove the chamfer (bevel) from the edge of an 18 mm socket in order to get full engagement on the thin-headed flywheel bolts.

  4. Remove the flywheel bolts.
  5. Important: Do not orientate the flywheel to the crankshaft. It is balanced separately from the engine.

  6. Remove the flywheel.
  7. Clean the thread adhesive from the flywheel bolt holes. Use a nylon bristle brush to clean the holes in the crankshaft.

Installation Procedure


    Object Number: 1578311  Size: SH
  1. Install the flywheel.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the flywheel bolts.
  4. Tighten
    Tighten the bolts to 53 N·m (39 lb ft) plus an additional 25 degrees using the J 45059 .


    Object Number: 467429  Size: SH
  5. Remove the J 38122-A .
  6. Install the transmission. Refer to Transmission Replacement .