GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 36660-A Torque Angle Meter

Removal Procedure

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

  1. Disconnect the negative battery cable.
  2. Remove the transaxle assembly. Refer to the following:
  3. •  Transmission Replacement for the MU4 transmission
    •  Transmission Replacement for the MK5 transmission
  4. If equipped with a manual transmission, remove the clutch and pressure plate. Refer to Clutch Assembly Replacement .

  5. Object Number: 236535  Size: SH
  6. Remove the eight flywheel retaining bolts.
  7. Remove the flywheel from the crankshaft.
  8. Clean any grease or dirt from the crankshaft flange outer surface using a suitable solvent.

Installation Procedure

  1. Install the flywheel to the crankshaft.
  2. Notice: Apply the proper amount of the sealant to the fastener when assembling this component. Excessive use of the sealant can prohibit the component from being assembled properly or allow the fastener to loosen. A component or fastener that is not assembled properly can loosen or fall off leading to extensive engine damage.


    Object Number: 236532  Size: SH
  3. Apply GM P/N 12345493 (Canadian P/N 10953488) or the equivalent, to the flywheel retaining bolt threads (1).
  4. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 236535  Size: SH
  5. For vehicles equipped with an automatic transmission, install the flywheel retaining bolts (1-8) to the crankshaft.
  6. Tighten
    Tighten the eight flywheel retaining bolts in sequence for automatic transmission to 83 N·m (61 lb ft).


    Object Number: 236523  Size: SH
  7. For vehicles equipped with a manual transmission, install the flywheel retaining bolts to the crankshaft.
  8. Tighten
    Tighten the eight flywheel retaining bolts in sequence for manual transmission to 49 N·m (36 lb ft). After the proper torque has been reached, use a J 36660-A and tighten the flywheel bolts an additional 90 degrees.

  9. If equipped with a manual transmission, install the clutch and pressure plate. Refer to Clutch Assembly Replacement .
  10. Install the transaxle assembly. Refer to the following:
  11. •  Transmission Replacement for the MU4 transmission
    •  Transmission Replacement for the MK5 transmission
  12. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  13. Tighten
    Tighten the battery cable bolt to 15 N·m (11 lb ft).