For 1990-2009 cars

#### Tools Required

• | J 24420-C Crankshaft Balancer Puller

• | J 29113 Crankshaft Balancer Installer

### Removal Procedure

Notice: The inertial weight section of the balancer is assembled to the hub with a rubber type material. The correct removal procedure must be followed or movement of the inertial weight section of the hub will destroy the tuning of the balancer.

1. Remove the drive belt. Refer to Drive Belt Replacement .
2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
3. Remove the right front tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
4. Remove the right engine splash shield.
5. Install a utility stand beneath the frame right side rail in order to support the frame/powertrain.
6. Remove the two frame RIGHT side bolts.
7. Use the utility stand to lower the frame in order to provide access to the crankshaft balancer.

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.

8. Remove the crankshaft balancer retaining bolt and washer.
9. Remove the crankshaft balancer using the J 24420-C .
10. Clean and inspect the crankshaft balancer. Refer to Crankshaft Balancer Cleaning and Inspection in the Engine Unit Repair Manual.

### Installation Procedure

1. Apply sealer GM P/N 12345739, Canadian P/N 10953541 or the equivalent to the keyway of the crankshaft balancer.
2. Place the crankshaft balancer into position over the key in the crankshaft.
3. Install the J 29113 onto the crankshaft.
4. Pull the crankshaft balancer into position.
5. Remove the J 29113 from the crankshaft balancer.

Notice: Refer to Fastener Notice in the Preface section.

6. Install the crankshaft balancer washer and bolt.

Tighten

• | Tighten the crankshaft balancer bolt to 70 N·m (52 lb ft).

• | Tighten the crankshaft balancer bolt an additional 72 degrees.

7. Use the utility stand in order to raise the frame/powertrain.
8. Install new frame right side bolts. Refer to Frame Replacement in Frame and Underbody.
9. Install the right engine splash shield.
10. Install the right front tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
11. Lower the vehicle.
12. Install the drive belt. Refer to Drive Belt Replacement .