GM Service Manual Online
For 1990-2009 cars only

Engine Flywheel Installation Manual Transmission

Special Tools

    • EN 46106 Flywheel Holding Tool
    • J 33169 Clutch Alignment Arbor
    • J 45059 Angle Meter
  1. Place the engine flywheel in position on the crankshaft.
  2. Install 2 NEW bolts in location at the top and bottom of the engine flywheel bolt pattern allowing the engine flywheel to hang in position.

  3. Object Number: 945978  Size: SH
  4. Install the EN 46106 .
  5. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1506438  Size: SH
  6. Install the remaining NEW engine flywheel bolts.
  7. Tighten

    1. Tighten the NEW engine flywheel bolts to 30 N·m (22 lb ft).
    2. Tighten the NEW engine flywheel bolts an additional 75 degrees using the J 45059 .

    Object Number: 1888113  Size: SH
  8. Install the clutch driven plate disc and the clutch pressure plate to the engine flywheel. Ensure to align the clutch pressure plate to the pins in the engine flywheel.
  9. Loosely install the clutch pressure plate bolts.

  10. Object Number: 1506439  Size: SH
  11. Install the J 33169 through the clutch driven plate disc and into the end of the crankshaft in order to align the clutch driven plate disc.
  12. Tighten the clutch pressure plate bolts.
  13. Tighten
    Tighten the clutch pressure plate bolts to 23 N·m (17 lb ft).

  14. Remove the J 33169 .

  15. Object Number: 945978  Size: SH
  16. Remove the EN 46106 .

Engine Flywheel Installation Automatic Transmission

Special Tools

    • EN 46106 Flywheel Holding Tool
    • J 45059 Angle Meter
  1. Place the engine flywheel in position on the crankshaft.
  2. Install 2 NEW bolts in location at the top and bottom of the engine flywheel bolt pattern allowing the engine flywheel to hang in position.

  3. Object Number: 945978  Size: SH
  4. Install the EN 46106 .
  5. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1871066  Size: SH
  6. Install the remaining NEW engine flywheel bolts.
  7. Tighten

    1. Tighten the NEW engine flywheel bolts to 30 N·m (22 lb ft).
    2. Tighten the NEW engine flywheel bolts an additional 45 degrees using the J 45059 .

    Object Number: 945978  Size: SH
  8. Remove the EN 46106 .