Harmonic Balancer - Crankshaft Pulley: Service and Repair

Removal Procedure

^ Tools Required
- J 24420-C Harmonic Balancer Puller

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. Refer to Drive Belt Replacement.
2. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
3. Remove the right front tire and wheel. Refer to Tire and Wheel Removal and Installation in Wheels, Tires and Alignment.
4. Remove the right engine splash shield. Refer to Splash Shield Replacement - Engine in Body and Frame.
5. Loosen the right frame bolts. Lower the right frame for access to the crankshaft balancer bolt with the J 24420-C.
6. Remove the crankshaft balancer bolt and the washer.





7. Remove the crankshaft balancer. Use the J 24420-C.

Installation Procedure

^ Tools Required
- J 29113 Crankshaft Balancer Installer





1. Apply sealant to the keyway of the balancer. Use sealant GM P/N 12345739 or equivalent.
2. Install the crankshaft balancer. Use the J 29113.
3. Remove the J 29113.

Notice: Refer to Fastener Notice in Service Precautions.





4. Install the crankshaft balancer washer and the bolt.
Tighten the crankshaft balancer bolt to 103 Nm (76 ft. lbs.).
5. Tighten the frame bolts.
6. Install the right engine splash shield. Refer to Splash Shield Replacement - Engine in Body and Frame.
7. Install the right front tire and wheel. Refer to Tire and Wheel Removal and Installation in Wheels, Tires and Alignment.
8. Lower the vehicle.
9. Install the drive belt. Refer to Drive Belt Replacement.