For 1990-2009 cars

### Removal Procedure

#### Tools Required

J 24420-C Crankshaft Balancer Remover

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 Lifting and Jacking the Vehicle in General Information.
3. Remove the right front tire and wheel. Refer to Wheel Removal in Tires and Wheels.
4. Remove the right engine splash shield. Refer to Splash Shield Replacement - Engine in Body Front End.
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. Refer to Frame Replacement in Frame and Underbody.
7. Use the utility stand to lower the frame in order to provide access for the J 24420-C .
8. Remove the crankshaft balancer bolt and the washer.
9. Use the J 24420-C in order to remove the crankshaft balancer.
10. Clean and inspect the crankshaft balancer. Refer to Crankshaft Balancer Clean and Inspect .

### 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: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

4. Install the crankshaft balancer washer and the bolt.

Tighten
Tighten the crankshaft balancer bolt to 103 N·m (76 lb ft).

5. Use the utility stand in order to raise the frame.
6. Install NEW frame right side bolts. Refer to Frame Replacement in Frame and Underbody.
7. Install the right engine splash shield. Refer to Splash Shield Replacement - Engine in Body Front End.
8. Install the right front tire and wheel. Refer to Wheel Installation in Tires and Wheels.
9. Lower the vehicle.
10. Install the drive belt. Refer to Drive Belt Replacement .