GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 43653 Flywheel Holding Tool
    • J 45059 Angle Meter

Removal Procedure


    Object Number: 1825675  Size: SH
  1. Remove the automatic transmission. Refer to Transmission Replacement.
  2. Install the J 43653  (1) to the engine block in order to hold the flywheel.

  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, if equipped with a automatic transmission.
  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.

  8. Object Number: 1591936  Size: SH
  9. Remove the flywheel bolts, if equipped with a manual transmission.
  10. Remove the flywheel.
  11. Clean the thread adhesive from the flywheel bolt holes. Use a nylon bristle brush to clean the holes in the crankshaft.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1591936  Size: SH
  1. Install the flywheel, if equipped with a manual transmission.
  2. Install the flywheel bolts.
  3. Tighten
    Tighten the bolts to 53 N·m (39 lb ft) plus an additional 25 degrees using the J 45059 .


    Object Number: 1578311  Size: SH
  4. Install the flywheel.
  5. Install the flywheel bolts.
  6. Tighten
    Tighten the bolts to 53 N·m (39 lb ft) plus an additional 25 degrees using the J 45059 .


    Object Number: 1825675  Size: SH
  7. Remove the J 43653  (1) from the engine block.
  8. Install the automatic transmission. Refer to Transmission Replacement .