GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Impala 🢒 Engine 🢒 Engine Mechanical - 3.9L 🢒 Crankshaft Balancer Installation

Special Tools

    • J 29113 Balancer and Crank Sprocket Puller
    • J 45059 Angle Meter

For equivalent regional tools, refer to Special Tools.


    Object Number: 1557862 Size: SH
  1. Place the crankshaft balancer into position over the key in the crankshaft.

    2. Caution: Do NOT use a power-assisted tool with the special tool in order to remove or install this component. You cannot properly control the alignment of this component using a power-assisted tool, and this can damage the component.

  2. Install the J 29113 puller onto the crankshaft.
  3. Rotate the hex nut on the J 29113 puller to install the crankshaft balancer onto the crankshaft.
  4. Remove the J 29113 puller from the crankshaft.

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


    Object Number: 1556792 Size: SH
  5. Install the used crankshaft balancer bolt and tighten to 125 N·m (92 lb ft).
  6. Remove the used crankshaft balancer bolt.
  7. Install the NEW crankshaft balancer bolt.
    8. 7.1. Tighten the crankshaft balancer bolt a first pass to 125 N·m (92 lb ft).
    7.2. Tighten the crankshaft balancer bolt a final pass to 130 degrees using the J 45059 meter .