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 .