GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

J 33169 Clutch Alignment Tool

  1. Raise and support the vehicle.
  2. Remove the transmission. Refer to Transmission Replacement .
  3. Mark the flywheel, cover plate, and pressure plate for installation alignment.

  4. Object Number: 34078  Size: SH
  5. Install J 33169 through the cover plate, pressure plate, and into the flywheel for support during plate removal.

  6. Object Number: 34060  Size: SH
  7. Remove the bolts and washers securing the clutch pressure plate and cover plate to the flywheel.
  8. Remove J 33169 from the plates.
  9. Clean all the clutch parts with a clean, water dampened cloth in order to remove any fibers.
  10. Inspect all of the clutch parts for the following conditions:
  11. • Wear and damage.
    • Scoring and flatness with a straight edge.
    • Driven plate runout. The runout must not be more than 0.508 mm (0.020 inch).
    • Scoring, gouges, and loose rivets on the friction pads.
    • Oil soaked friction pads.
    • Nicks, burrs, and sliding fit on all splines.
    • Bending and breaks in the clutch pressure plate cover spring.

Installation Procedure

Tools Required

J 33169 Clutch Alignment Tool


    Object Number: 34078  Size: SH
  1. Using J 33169 for installation alignment, position the pressure plate and cover plate to the flywheel.

  2. Object Number: 34060  Size: SH
  3. Secure the plates to the flywheel with bolts and washers.
  4. • Use the marks made during removal to align the plates.
    • Tighten each bolt one turn at a time in order to avoid warping the clutch pressure plate cover. Use a criss-cross pattern for tightening the bolts.

    Tighten

       • 

    Tighten the pressure and cover plate bolts for the NV1500 transmission to 45 N·m (33 lb ft).

       • 

    Tighten the pressure and cover plate bolts for the NV3500 to 40 N·m (29 lb ft).

  5. Remove J 33169 from the clutch plates.
  6. Install the transmission. Refer to Transmission Replacement .
  7. Lower the vehicle.
  8. Test the transmission and clutch system for proper operation.