GM Service Manual Online
For 1990-2009 cars only

Special Tools

EN-652 Locking Tool

For equivalent tools, refer to Special Tools.


    Object Number: 2027797  Size: SH
  1. Install the engine flywheel (1).
  2. Note: Clean thread before insert bolt with locking compound (red). The maximum installation time including torque check is 10 minutes.

  3. Install the 6 engine flywheel bolts (2).

  4. Object Number: 2027795  Size: SH
  5. Install EN-652 locking tool  (1) to fix the engine flywheel.
  6. Caution: Refer to Fastener Caution in the Preface section.

  7. Tighten the 6 engine flywheel bolts to  105 N·m (78 lb ft).