GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 TopKick C-Series (Conventional) C6/C7/C8 🢒 Engine 🢒 Engine Mechanical - 8.1L 🢒 Engine Flywheel Replacement

Removal Procedure

    Object Number: 470579 Size: SH
  1. If equipped with a automatic transmission, remove the transmission. Refer to Transmission Replacement.
  2. Remove the engine flywheel bolts.
  3. Remove the engine flywheel.

    4. Object Number: 679414 Size: SH
  4. If equipped with a manual transmission, remove the clutch. Refer to Clutch Assembly Replacement.
  5. Remove the engine flywheel bolts.
  6. Remove the engine flywheel.
  7. Clean and inspect the engine flywheel.

Installation Procedure

    Object Number: 679414 Size: SH
  1. If equipped with a manual transmission, install the engine flywheel.

    2. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 470579 Size: SH

    Note: Make sure the flywheel is installed correctly. "Engine Side" is stamped on the flywheel to aid with installation.

  2. If equipped with a automatic transmission, install the engine flywheel.
  3. Install the engine flywheel bolts.

    4. Tighten

    1. Tighten the engine flywheel bolts a first pass to 80 N·m (59 lb ft).
    2. Tighten the engine flywheel bolts a final pass to 100 N·m (74 lb ft).
  4. If equipped with a manual transmission, install the clutch. Refer to Clutch Assembly Replacement.
  5. If equipped with a automatic transmission, install the transmission. Refer to Transmission Replacement.