Crankshaft Balancer Installation

^ Tools Required
- J 23523-F Crankshaft Balancer Remover and Installer

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. Apply a small amount of GM P/N 12346141 or equivalent onto the crankshaft key and keyway in order to seal the crankshaft balancer keyway and crankshaft joint.
2. Install the key into the crankshaft keyway.





3. Apply a small amount of GM P/N 12346141 or equivalent onto the crankshaft balancer keyway (2) in order to seal the crankshaft balancer keyway and crankshaft joint.





4. Install the crankshaft balancer onto the end of the crankshaft.
5. Align the keyway of the crankshaft balancer with the crankshaft key.





6. Use the J 23523-F in order to press the crankshaft balancer onto the crankshaft.
6.1. Install the J 23523-F into the front of the crankshaft.
6.2. Rotate the J 23523-F nut until the nut, washer, and bearing are firmly against the crankshaft balancer.
6.3. Use one wrench to hold the J 23523-F forcing screw.
6.4. Use a second wrench and rotate the J 23523-F nut clockwise until the hub is completely seated against the crankshaft position sensor reluctor ring.
6.5. Remove the J 23523-F from the crankshaft.





7. Install the crankshaft balancer washer (2) and bolt (3).
Tighten the crankshaft balancer bolt to 149 Nm (110 ft. lbs.).

NOTICE: Refer to Fastener Notice in Service Precautions.





8. Install the crankshaft pulley.





9. Install the crankshaft pulley bolts.
Tighten the crankshaft pulley bolts to 58 Nm (43 ft. lbs.).