GM Service Manual Online
For 1990-2009 cars only

Special Tools

J 23523-F Balancer Remover and Installer

For equivalent regional tools, refer to Special Tools.


    Object Number: 173172  Size: SH
  1. Remove the crankshaft balancer bolt and washer.

  2. Object Number: 188055  Size: SH
  3. Remove the bolts and the crankshaft pulley.
  4. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 4059  Size: SH
  5. Use the J 23523-F installer in order to remove the crankshaft balancer.
  6. 3.1. Install the J 23523-F installer plate and bolts onto the crankshaft balancer and tighten to 25 N·m (18 lb ft).
    3.2. Install the J 23523-F installer forcing screw into the plate.
    3.3. Rotate the J 23523-F installer forcing screw clockwise in order to remove the crankshaft balancer.
  7. Remove the J 23523-F installer from the crankshaft balancer.

  8. Object Number: 334258  Size: SH

    Note: If replacing the crankshaft balancer, NEW weights must be installed into the NEW crankshaft balancer, in the same location as the old weights in the old balancer.

  9. Note the position and length of any crankshaft balancer front groove pins, if applicable.