GM Service Manual Online
For 1990-2009 cars only

Engine Flywheel Installation LLU

Special Tools

    • EN-652 Flywheel Holder
    • EN-45059 Torque Angle Sensor Kit

For equivalent regional tools, refer to Special Tools.

  1. Clean the thread in the crankshaft.

  2. Object Number: 2028376  Size: SH
  3. Install the flywheel (2).
  4. Install the EN-652 holder  (1).
  5. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 2028375  Size: SH
  6. Install the 6 NEW flywheel bolts (1, 2) and tighten the bolts in 3 passes using the EN-45059 sensor kit :
  7. • First pass to  35 N·m (26 lb ft).
    • Second pass to additional  30 degrees.
    • Third pass to an additional  15 degrees.
  8. Remove the EN-652 holder .