GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Sierra Denali 🢒 Engine 🢒 Engine Mechanical - 4.3L 🢒 Engine Flywheel Replacement

Removal Procedure

    Object Number: 188129 Size: SH
  1. Remove the automatic transmission. Refer to Transmission Replacement.
  2. Remove the flywheel bolts.
  3. Remove the flywheel (1 or 2).
  4. Clean and inspect the flywheel, if necessary. Refer to Engine Flywheel Cleaning and Inspection.

Installation Procedure

    Object Number: 64126 Size: SH

    Note: Flywheel weights of the same length must be installed into the NEW flywheel in the same location as the old weights were in the old flywheel.

  1. Note the position of the old flywheel weights and install the NEW flywheel weights as required.

    2. A properly installed flywheel weight will be flush or slightly below flush with the face of the flywheel.


    Object Number: 188129 Size: SH
  2. Install the flywheel (1 or 2).

    3. Align the flywheel locator hole to the flywheel locator pin.

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 63174 Size: SH
  3. Install the flywheel bolts and tighten in the sequence shown to 100 N·m (74 lb ft).
  4. Install the automatic transmission. Refer to Transmission Replacement.