Balance Shaft: Service and Repair

Crankshaft Balancer Replacement

^ Tools Required
- J 24420-C Crankshaft Balancer Remover
- J 29113 Crankshaft Balancer Installer
- J 37096 Flywheel Holder

Removal Procedure

1. 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.

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. Support the frame with jackstands.
6. Loosen the left side and remove the right side frame bolts.
7. Use the jackstands to lower the right side of the frame.
8. Remove the torque converter covers.
9. Install the J 37096 to prevent the flywheel from rotating.





10. Remove the crankshaft balancer bolt and the washer.





11. Use the J 24420-C to remove the crankshaft balancer.

Installation Procedure





1. Apply sealant GM P/N 12346141 (Canadian P/N 10953433) or equivalent to the keyway of the balancer.
2. Use the J 29113 to install the crankshaft balancer.
3. Remove the J 29113 from the crankshaft balancer.
4. Install the J 37096 to prevent the flywheel from rotating.





5. Notice: Refer to Fastener Notice in Service Precautions.

Install the crankshaft balancer washer and the bolt.
^ Tighten the bolt to 70 Nm (52 ft. lbs.) + 72 degrees.
6. Remove the J 37096 from the flywheel.
7. Install the torque converter covers.
8. Raise the frame to the original position.
9. Install the frame bolts.
10. Remove the jackstands.
11. Install the right engine splash shield.
12. Install the right front tire and wheel.
13. Lower the vehicle.
14. Install the drive belt.
15. Perform a CKP system variation learn procedure.