GM Service Manual Online
For 1990-2009 cars only

Engine Flywheel Replacement Automatic

Removal Procedure

  1. Remove the transmission. Refer to Transmission Replacement in Automatic Transmission.

  2. Object Number: 4078  Size: SH
  3. Remove the flywheel bolts.
  4. Remove the flywheel.
  5. Inspect the flywheel ring gear for worn or broken teeth.

Installation Procedure


    Object Number: 4078  Size: SH
  1. Install the flywheel.
  2. Install the flywheel bolts.
  3. Tighten
    Tighten the flywheel bolts to 100 N·m (75 lb ft).

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  4. Install the transmission. Refer to Transmission Replacement in Automatic Transmission.

Engine Flywheel Replacement Manual

Removal Procedure

  1. Remove the transmission. Refer to Transmission Replacement in Manual Transmission.
  2. Remove the clutch assembly. Refer to Clutch Assembly Replacement in Manual Transmission.

  3. Object Number: 65049  Size: SH
  4. Remove the flywheel bolts.
  5. Remove the flywheel.
  6. Inspect the flywheel ring gear for worn or broken teeth.

Installation Procedure


    Object Number: 65049  Size: SH
  1. Install the flywheel.
  2. Install the flywheel bolts.
  3. Tighten
    Tighten the flywheel bolts to 100 N·m (75 lb ft).

  4. Install the clutch assembly. Refer to Clutch Assembly Replacement in Manual Transmission.
  5. Install the transmission. Refer to Transmission Replacement in Manual Transmission.