GM Service Manual Online
For 1990-2009 cars only

Clutch Assembly Replacement D16 and D20 Manual Transaxle

Tools Required

J 42474 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 for the D16 transaxle or Transmission Replacement for the D20 transaxle.
  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.

Clutch Disc - Inspection Procedure


    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 warped or bent clutch disc. After inspection, replace with a 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).

Pressure Plate - Inspection Procedure


    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 for the D16 transaxle or Transmission Replacement for the D20 transaxle.
  8. Connect the negative battery cable.

Clutch Assembly Replacement D33 Manual Transaxle

Removal Procedure

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


    Object Number: 1826655  Size: SH
  1. Disconnect the negative battery cable.
  2. Remove the transaxle from the vehicle. Refer to Transmission Replacement .
  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: 1826657  Size: SH
  6. Remove the clutch disc from the flywheel.

Clutch Disc Inspection


    Object Number: 1773707  Size: SH
  1. Visual Inspection
  2. • Inspect the worn or oily contamination on the clutch surface.
    • Inspect the damaged or weakened torsion spring.
    • Inspect the a warped or bent clutch disc. After inspection, replace new pressure plate and new clutch disc, if necessary.
  3. Clutch Disc Inspection
  4. • Measure the rivet head depth from the clutch disc surface.
    • Replace new pressure plate and new clutch disc if the measured value is below the limit.
    • Rivet Head Depth (Limit) : 1.2 mm (0.047 in) .

Pressure Plate Inspection


    Object Number: 1826667  Size: SH
  1. Check for a worn diaphragm spring finger.
  2. Check for a worn or cracked pressure plate surface.
  3. Check for the polluted face by the oil. After inspection, replace new pressure plate and new clutch disc, if necessary.

Installation Procedure


    Object Number: 1826674  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 a suitable tool.
  3. Important: When replacing the pressure plate or the clutch disc, replace both the pressure plate and the clutch disc with new ones.

    Notice: Refer to Fastener Notice in the Preface section.

  4. Install the pressure plate bolts.
  5. Tighten
    Tighten the bolts to 28 N·m(21 lb ft).

  6. Install the transaxle into the vehicle. Refer to Transmission Replacement .
  7. Connect the negative battery cable.