GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 37096 Flywheel Holder
    •  J 38197-A Crankshaft Balancer Puller
    • J 45059 Torque Angle Meter

Removal Procedure


    Object Number: 309963  Size: SH
  1. Remove the drive belt. Refer to Drive Belt Replacement.
  2. Remove the wheel house liner. Refer to Front Wheelhouse Liner Replacement.
  3. Remove the torque converter covers. Refer to Torque Converter Cover Replacement.
  4. Install the J 37096 to prevent the flywheel from turning.
  5. Remove the crankshaft balancer bolt and discard the bolt.

  6. Object Number: 97728  Size: SH

    Important: Do not separate the crankshaft pulley from the crankshaft balancer. Service the crankshaft pulley and the crankshaft balancer as an assembly.

  7. Install the J 38197-A .
  8. Remove the crankshaft balancer.
  9. Remove the J 38197-A .

Installation Procedure


    Object Number: 97730  Size: SH
  1. Coat the engine front cover seal contact area on the crankshaft balancer, and the seal surface with engine oil.
  2. Install the crankshaft balancer.
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the new crankshaft balancer bolt. Use the J 45059 to prevent the flywheel from turning.
  5. Tighten
    Tighten the bolt to 150 N·m (111 lb ft) plus an additional 76 degrees using the J 45059 .

  6. Remove the J 45059 .
  7. Install the torque converter covers. Refer to Torque Converter Cover Replacement.
  8. Install the wheel house liner. Refer to Front Wheelhouse Liner Replacement.
  9. Install the drive belt. Refer to Drive Belt Replacement.
  10. Perform the CKP system variation learn procedure. Refer to Crankshaft Position System Variation Learn.