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.
  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 tool .
  5. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1871066  Size: SH
  6. Install the remaining NEW engine flywheel bolts.
  7. 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
  8. Remove the EN 46106 tool .