GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 36660-A Torque Angle Meter

  1. Install the flywheel to the crankshaft. Align the flywheel-to-engine marks.
  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 8 flywheel retaining bolts in the sequence shown 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 and torque the bolts in 2 steps.
  8. 1st Step-Tighten
    Tighten the eight flywheel retaining bolts in the sequence shown for manual transmission to 49 N·m (36 lb ft).


    Object Number: 236527  Size: SH
  9. Perform the final torque on the manual transmission flywheel retaining bolts.
  10. 2nd Step-Tighten
    After the proper torque of 49 N·m (36 lb ft) has been reached, use a J 36660-A and tighten the flywheel bolts an additional 90 degrees.