GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 Terrain 🢒 Engine 🢒 Engine Mechanical - 2.8L, 3.2L, or 3.6L 🢒 Engine Flywheel Replacement

Special Tools

    • EN 46106 Flywheel Holding Tool
    • KM-470-B Angular Torque Gage

Removal Procedure

    Object Number: 1795660 Size: SH
  1. Remove the engine assembly. Refer to Engine Replacement .
  2. Remove the transmission. Refer to Transmission Replacement for the Aisin 55-51LE Transaxle or Transmission Replacement for the D33 Transaxle.
  3. Remove the starter motor.
  4. Install EN 46106  (1) into the starter motor mounting location.

    5. Object Number: 1801601 Size: SH
  5. Loosen the eight flexplate attaching bolts (1).
  6. Remove the flexplate holding tool.
  7. Using a suitable permanent marker or paint pen, mark the flexplate assembly (2) to crankshaft relationship.
  8. Remove the eight flexplate attaching bolts and discard.
  9. Remove the flexplate assembly.

Inspection Procedure

    Object Number: 1801607 Size: SH
  1. Inspect the flexplate assembly for the following conditions:
    2. • Stress cracks around the flexplate to torque converter mounting bolt hole locations (1).
    • Stress cracks around the flexplate to crankshaft mounting bolt hole locations (2 and 4).

       Important: Do not repair the welded areas that retain the ring gear to the flexplate. The flexplate must be replaced.

    •  Stress cracks around the flexplate to torque converter mounting bolt hole locations (1).
    • Damaged or missing ring gear teeth (5).

    Important: The flexplate ring gear is not serviced separately and cannot be repaired. If found to be faulty or damaged, the flexplate assembly must be replaced.

  2. Replace the flexplate assembly as required.

Installation Procedure

    Object Number: 1801601 Size: SH

    Important: The bolt holes are unevenly spaced to enable flexplate fitment in the one position only.

  1. Place the flexplate assembly (2) in position on the crankshaft.
  2. Install new flexplate attaching bolts (1) and hand tighten.

    3. Object Number: 1795660 Size: SH
  3. Install the flexplate holding tool, EN 46106  (1) into the starter motor mounting location.

    4. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the flexplate attaching bolts.

    5. Tighten
    Tighten the flexplate attaching bolt to 30 N·m (22 lb ft) and turn the bolt another 45 degrees using KM-470-B .

  5. Remove the flexplate holding tool.
  6. Install the starter motor.
  7. Install the transmission. Refer to Transmission Replacement For the Aisin 55-51LE Transaxle or Transmission Replacement for the D33 Transaxle.
  8. Install the engine assembly. Refer to Engine Replacement .