For 1990-2009 cars

### Removal Procedure

#### Tools Required

• | J 38122-A Crankshaft Balancer Holder

• | J 24420-B Crankshaft Balancer Puller

1. Disconnect the negative battery cable. Refer to

   Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

   in General Information.
2. Remove the accessory drive belt. Refer to Drive Belt Replacement .
3. Raise and suitably support the vehicle. Refer to SECTION 0A.
4. Remove the right splash shield.
5. Remove the balancer retaining bolt and the washer using J 38122-A to prevent crankshaft rotation when loosening the bolt.
6. Remove the balancer assembly using J 24420-B .

### Installation Procedure

1. Lubricate the front seal and the sealing surface of the balancer with Chassis Grease GM P/N 1051344 or equivalent.

Important: The automatic transmission crankshaft balancer must not be installed on a manual transmission equipped engine.

2. Install the balancer onto the crankshaft indexing keyway. Tap into place using a rubber or sand-filled mallet.

Notice: Do not use the J 36660 Torque Angle Meter to rotate the retaining bolt an additional 90 degrees. The torque capacity of the tool will be exceeded and damage to the tool will result.

3. Install the retaining bolt and the washer.

Tighten
Tighten the bolt to 175 N·m (129 lb ft) while using J 38122-A to prevent crankshaft rotation. Put a mark on the socket next to one of the four marks on J 38122-A . This mark will represent the 0 degree point. Tighten the bolt by rotating the socket clockwise 90 degrees. At 90 degrees the socket will index with the next mark on the tool.

4. Install the right splash shield.
5. Lower the vehicle.
6. Install the accessory drive belt. Refer to Drive Belt Replacement .
7. Connect the negative battery cable.