Harmonic Balancer - Crankshaft Pulley: Service and Repair

Crankshaft Balancer Replacement

^ Tools Required
- J 29113 Balancer and Crank Sprocket Installer
- J 37096 Flywheel Holder
- J 41816 Crankshaft Balancer Remover
- J 45059 Angle Meter

Removal Procedure

Notice: The inertial weight section of the crankshaft balancer is assembled to the hub with a rubber type material. The correct installation procedures (with the proper tool) must be followed or movement of the inertial weight section of the hub will destroy the tuning of the crankshaft balancer.

1. Remove the drive belt.
2. Raise and support the vehicle. Refer to Vehicle Lifting.
3. Remove the right front tire and wheel.
4. Remove the right engine splash shield.
5. Install the jack stands to the frame.
6. Loosen the left frame bolts and remove the right side frame bolts.
7. Using the jack stands, lower the right side of the frame to access the crankshaft balancer.
8. Remove the torque converter cover.
9. Install the J 37096 to the flywheel to prevent flywheel rotation.





10. Remove the crankshaft balancer bolt and the washer.





11. Remove the crankshaft balancer. Use the J 41816.

Installation Procedure
1. Apply sealant GM P/N 12346286 (Canadian P/N 10953472), or the equivalent, to the keyway of the balancer.





2. Install the crankshaft balancer. Use the J 29113.
3. Remove the J 29113.
4. Install the J 37096 to the flywheel to prevent flywheel rotation.





Notice: Refer to Fastener Notice in Service Precautions.

5. Install the crankshaft balancer washer and the bolt.
1. Tighten the bolt to 70 Nm (52 ft. lbs.).
2. Use the J 45059 to rotate the crankshaft balancer bolt an additional 70 degrees.
6. Remove the J 45059 from the flywheel.
7. Install the torque converter cover.
8. Raise the frame to the original position.
9. Install and tighten the frame bolts.
10. Install the right engine splash shield.
11. Install the right front tire and wheel.
12. Lower the vehicle.
13. Install the drive belt.