Harmonic Balancer - Crankshaft Pulley: Service and Repair

Crankshaft Balancer Replacement

Special Tools

J 44643 Flywheel Holding Tool

Removal Procedure




1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Single Battery) (Service and Repair)Battery Negative Cable Disconnection and Connection (Dual Batteries) (Service and Repair)Battery Negative Cable Disconnection and Connection (Auxiliary Battery) (Service and Repair).
2. Remove the right wheelhouse panel. Refer to Front Wheelhouse Liner Replacement - Right Side (Chevrolet) (Front Wheelhouse Liner Replacement - Right Side)Front Wheelhouse Liner Replacement - Right Side (GMC) (Front Wheelhouse Liner Replacement - Right Side).
3. Remove the starter motor bolts. Reposition the starter aside. The wiring to the starter does not require removal.




4. Install J 44643 in order to hold the flywheel.
5. Remove the lower fan shroud. Refer to Engine Coolant Fan Lower Shroud Replacement (Mechanical) (Service and Repair).




6. Remove the crankshaft balancer bolt.
7. Remove the crankshaft balancer.
8. If required, clean and inspect the crankshaft balancer. Refer to Crankshaft Balancer Cleaning and Inspection (19. Crankshaft Balancer Cleaning and Inspection).

Installation Procedure




1. Lubricate the crankshaft balancer internal hub with clean engine oil.
2. Install the crankshaft balancer on the crankshaft.
3. Lubricate the crankshaft balancer bolt with clean engine oil.
Caution: Refer to Fastener Caution (Fastener Caution).

4. Install the crankshaft balancer bolt and washer.

1. Tighten the bolt a first pass to 100 Nm (74 lb ft).
2. Tighten the bolt a second pass an additional 105 degrees.




5. Remove J 44643 .




6. Position the starter motor.
7. Install the starter motor bolts and tighten to 78 Nm (58 lb ft).
8. Install the right wheelhouse panel. Refer to Front Wheelhouse Liner Replacement - Right Side (Chevrolet) (Front Wheelhouse Liner Replacement - Right Side)Front Wheelhouse Liner Replacement - Right Side (GMC) (Front Wheelhouse Liner Replacement - Right Side).
9. Install the lower fan shroud. Refer to Engine Coolant Fan Lower Shroud Replacement (Mechanical) (Service and Repair).
10. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Single Battery) (Service and Repair)Battery Negative Cable Disconnection and Connection (Dual Batteries) (Service and Repair)Battery Negative Cable Disconnection and Connection (Auxiliary Battery) (Service and Repair).