GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 38122-A Harmonic Balancer Holder

Removal Procedure

  1. Remove the engine drive belt. Refer to Drive Belt Replacement .

  2. Object Number: 467429  Size: SH
  3. Use J 38122-A to prevent the crankshaft from rotating while loosening the crankshaft balancer bolt.
  4. Remove the crankshaft balancer bolt. Discard the bolt.

  5. Object Number: 412138  Size: SH
  6. Remove the crankshaft balancer.

Installation Procedure


    Object Number: 412138  Size: SH
  1. Install the crankshaft balancer.
  2. Install a NEW crankshaft balancer bolt.
  3. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 467429  Size: SH
  4. Use J 38122-A to prevent the crankshaft from rotating while tightening the crankshaft balancer bolt.
  5. Tighten
    Tighten the bolt to 100 N·m (74 lb ft) plus 75 degrees.

  6. Install the engine drive belt. Refer to Drive Belt Replacement .