GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 TrailBlazer - 2WD 🢒 Engine 🢒 Engine Mechanical - 4.2L 🢒 Crankshaft Balancer Installation

Special Tools

    • EN-48034 Crankshaft Balancer Installer
    • J 45059 Angle Meter

    Object Number: 856229 Size: SH
  1. Install the crankshaft balancer using EN-48034 installer .
  2. Remove EN-48034 installer .
  3. Hold the flywheel or back of the crankshaft. The crankshaft balancer does not have a keyway so the crankshaft could turn when tightening, causing an improper torque.

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


    Object Number: 856226 Size: SH
  4. Install the crankshaft balancer washer and new bolt.
    5. 4.1. Tighten the new crankshaft balancer bolt while holding the back to 150 N·m (110 lb ft).
    4.2. Use J 45059 meter to tighten the crankshaft balancer bolt an additional 180 degrees.