GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • EN 46106 Engine Flywheel Holding Tool
    • J 45059 Angle Meter
         For equivalent regional tools, refer to Special Tools.

    Object Number: 1848530  Size: SH
  1. Place the engine flywheel in position on the crankshaft.

  2. Object Number: 1848544  Size: SH
  3. 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.

  4. Object Number: 945978  Size: SH
  5. Install the EN 46106 tool .
  6. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1848545  Size: SH
  7. Install the remaining NEW engine flywheel bolts.
  8. 4.1. Tighten the NEW engine flywheel bolts to 30 N·m (22 lb ft).
    4.2. Tighten the NEW engine flywheel bolts an additional 45 degrees using the J 45059 meter .

    Object Number: 945978  Size: SH
  9. Remove the EN 46106 tool .