GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 42474 (KM-735) Clutch Arbor

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1251799  Size: SH
  1. Disconnect the negative battery cable.
  2. Remove the transaxle from the vehicle. Refer to Transmission Replacement in Manual Transmission - D16 or Transmission Replacement in Manual Transmission - D20.
  3. Important: Support the pressure plate when you remove the last bolt.

  4. Remove the pressure plate bolts and the pressure plate.

  5. Object Number: 1251800  Size: SH
  6. Remove the clutch disc from the flywheel.

Inspection Procedure - Clutch Disc


    Object Number: 1290067  Size: SH
  1. Inspect the worn or oily contamination on the clutch surface.
  2. Inspect the damaged or weakened torsion spring.
  3. Inspect the a warped or bent clutch disc. After inspection, replace new clutch disc, if necessary.
  4. Measure the rivet head depth from the clutch disc surface.
  5. Replace the clutch disc if the measured value is below the limit.
  6. Specification
    The rivet head depth limit is 0.3 mm (0.012 in).

Inspection Procedure - Pressure Plate


    Object Number: 1251805  Size: SH
  1. Inspect for a worn diaphragm spring finger.
  2. Inspect for a worn or cracked pressure plate surface.
  3. Inspect for a polluted face by the oil. After inspection, replace the pressure plate if necessary.

Installation Procedure


    Object Number: 1251807  Size: SH
  1. Coat the spline on the clutch disc with multi-purpose grease.
  2. Align the pressure plate and the clutch disc onto the flywheel using the J 42474 .
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the pressure plate bolts.
  5. Tighten
    Tighten the bolts to 15 N·m (11 lb ft).

  6. Remove the J 42474 .
  7. Install the transaxle into the vehicle. Refer to Transmission Replacement in Manual Transmission - D16 or Transmission Replacement in Manual Transmission - D20.
  8. Connect the negative battery cable.