Harmonic Balancer - Crankshaft Pulley: Service and Repair

Removal Procedure

^ Tool(s) Required
- J 8614-01 Pinion Flange Holder

1. Remove the cooling fan drive belt.
2. Remove the accessory drive belt.
3. Remove the cooling fan.
4. Remove the radiator. Refer to Radiator Replacement in Cooling System.





Important: Do not damage the A/C condenser (if equipped) during crankshaft pulley service.

5. Remove the crankshaft pulley retaining bolt using the J 8614-01 to prevent crankshaft rotation when loosening the bolt.





6. The crankshaft may also be held by locking the flywheel through the access hole (1).





7. Remove the crankshaft pulley.

Installation Procedure

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





2. Install the crankshaft pulley onto the crankshaft indexing the keyway.





Notice: Refer to Fastener Notice in Service Precautions.

3. Install the crankshaft pulley retaining bolt using the J 8614-01 to prevent crankshaft rotation when tightening the bolt.
Tighten the bolt to 150 Nm (109 ft. lbs.).
4. Install the radiator.
5. Install the accessory drive belt.
6. Install the cooling fan drive belt.
7. Install the cooling fan.