GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 38122-A Harmonic Balancer Holder
    • J 45059 Angle Meter

Removal Procedure


    Object Number: 1820840  Size: SH
  1. Remove the drive belt. Refer to Drive Belt Replacement .
  2. Remove the engine splash shield. Refer to Engine Splash Shield Replacement .
  3. Install the J 38122-A (1), and a breaker bar to the balancer in order to prevent the balancer from rotating when loosening the balancer bolt.
  4. Remove the J 38122-A (1) and breaker bar.

  5. Object Number: 1811400  Size: SH
  6. Remove and discard the crankshaft balancer bolt.
  7. Remove the crankshaft balancer.

Installation Procedure


    Object Number: 1811400  Size: SH
  1. Position the crankshaft balancer.
  2. Install a NEW crankshaft balancer bolt.

  3. Object Number: 1820840  Size: SH
  4. Install the J 38122-A (1), and a breaker bar to the balancer in order to prevent the balancer from rotating while tightening the bolt.
  5. Notice: Refer to Fastener Notice in the Preface section.

  6. Tighten the crankshaft balancer bolt.
  7. Tighten
    Tighten the bolt to 100 N·m (74 lb ft) plus an additional 125 degrees using the J 45059 .

  8. Install the engine splash shield. Refer to Engine Splash Shield Replacement .
  9. Install the drive belt. Refer to Drive Belt Replacement .