GM Service Manual Online
For 1990-2009 cars only

Crankshaft Balancer Replacement LE5

Special Tools

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

Removal Procedure


    Object Number: 467429  Size: SH
  1. Remove the drive belt. Refer to Drive Belt Replacement.
  2. Use J 38122-A to prevent the crankshaft from rotating while loosening the crankshaft balancer bolt.
  3. Remove and discard the crankshaft balancer bolt.

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

Installation Procedure


    Object Number: 412138  Size: SH
  1. Position the crankshaft balancer.
  2. Install a NEW crankshaft balancer bolt.

  3. Object Number: 467429  Size: SH
  4. Use the J 38122-A to hold the crankshaft balancer in order to prevent the balancer from rotating while tightening the bolt.
  5. Caution: Refer to Fastener Caution in the Preface section.

  6. Tighten the crankshaft balancer bolt to 100 N·m (74 lb ft) plus an additional 125 degrees using the J 45059 .
  7. Install the drive belt. Refer to Drive Belt Replacement.

Crankshaft Balancer Replacement LAT

Special Tools

    • 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.
  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. Caution: Refer to Fastener Caution in the Preface section.

  6. Tighten the crankshaft balancer bolt. Tighten the bolt to 100 N·m (74 lb ft) plus an additional 125 degrees using the J 45059 .
  7. Install the engine splash shield.
  8. Install the drive belt. Refer to Drive Belt Replacement.