Harmonic Balancer - Crankshaft Pulley: Service and Repair

Crankshaft Balancer Replacement

Special Tools

J-44643 - Flywheel Holding Tool

For equivalent regional tools, refer to Special Tools Special Tools.

Removal Procedure




1. Remove the starter. Refer to Starter Replacement (Diesel) Starter Replacement (Diesel)Starter Replacement (V8) Starter Replacement (V8)Starter Replacement (V6) Starter Replacement (V6).

2. Install the J-44643 - tool(2) in order to hold the flywheel (1).

3. Remove the radiator fan clutch assembly. Refer to Fan Clutch Replacement Service and Repair.

4. Remove the lower fan shroud. Refer to Engine Coolant Fan Lower Shroud Replacement (4.3L, 4.8L, 5.3L, 6.0L, 6.2L, 7.0L) Engine Coolant Fan Lower Shroud Replacement (4.3L, 4.8L, 5.3L, 6.0L, 6.2L, 7.0L)Engine Coolant Fan Lower Shroud Replacement (Diesel) Engine Coolant Fan Lower Shroud Replacement (Diesel)

5. Remove the drive belt. Refer to Drive Belt Replacement Service and Repair.




6. Remove and discard the crankshaft balancer bolt (1).

7. Remove the crankshaft balancer washer (2) and crankshaft balancer (3).

Installation Procedure




1. Lightly lubricate the crankshaft balancer internal hub with engine oil.

2. Install the crankshaft balancer (3) to the crankshaft.

3. Lightly lubricate the NEW crankshaft balancer bolt (1) with engine oil.

Caution: Refer to Fastener Caution Fastener Caution.

4. Install the NEW crankshaft balancer bolt (1) and washer (2).

1. Tighten the bolt a first pass to 100 Nm (74 lb ft).

2. Tighten the bolt a second pass an additional 90 degrees.

5. Install the radiator fan clutch assembly. Refer to Fan Clutch Replacement Service and Repair.

6. Install the drive belt. Refer to Drive Belt Replacement Service and Repair.

7. Install the lower fan shroud. Refer to Engine Coolant Fan Lower Shroud Replacement (4.3L, 4.8L, 5.3L, 6.0L, 6.2L, 7.0L) Engine Coolant Fan Lower Shroud Replacement (4.3L, 4.8L, 5.3L, 6.0L, 6.2L, 7.0L)Engine Coolant Fan Lower Shroud Replacement (Diesel) Engine Coolant Fan Lower Shroud Replacement (Diesel)




8. Remove the J-44643 - tool(2).

9. Install the starter. Refer to Starter Replacement (Diesel) Starter Replacement (Diesel)Starter Replacement (V8) Starter Replacement (V8)Starter Replacement (V6) Starter Replacement (V6).

10. Relearn the crankshaft position reluctor wheel. Refer to Crankshaft Position Reluctor Wheel Learn Testing and Inspection.