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Harmonic Balancer - Crankshaft Pulley: Service and Repair




Crankshaft Balancer Replacement

Special Tools
* EN 47699 Flywheel Holding Tool
* J 41665 Crankshaft Balancer and Sprocket Installer
* J 41816 Crankshaft Balancer Remover
* J 41816-2 Crankshaft End Protector
* J 42640 Steering Column Anti-Rotation Pin
* J 45059 Torque Angle Meter

Removal Procedure

1. Install a J 42640 . Refer to Steering Column Replacement (Steering Column Replacement).
2. Remove the accessory drive belt. Refer to Drive Belt Replacement - Accessory (Service and Repair).
3. Remove the air cleaner upper housing. Refer to Air Cleaner Assembly Replacement (Service and Repair).
4. Remove the engine mount strut. Refer to Engine Mount Strut Replacement (Service and Repair).
5. Remove the starter motor. Refer to Starter Replacement (L26) (Service and Repair)Starter Replacement (LS4) (Service and Repair).
6. Remove the front fender splash shield.
7. Disconnect the transaxle cooler lines at the transaxle. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection (Service and Repair).
8. Remove the stabilizer shaft link lower nuts. Refer to Stabilizer Shaft Link Replacement (Front Suspension).
9. Remove the intermediate steering shaft pinch bolt and separate the shaft from the steering gear. Refer to Intermediate Steering Shaft Replacement (Intermediate Steering Shaft Replacement).
10. Remove the front lower air deflector braces and the deflector. Refer to Radiator Air Lower Baffle and Deflector Replacement (Service and Repair).
11. Remove the radiator to frame braces.
12. Install the engine support fixture. Refer to Engine Support Fixture (Engine Support Fixture).
13. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair).
14. Remove the frame-to-body bolts.
15. Remove the transmission-to-engine bolt located at approximately the 10 o'clock position when looking from the rear of the engine.





Caution: Refer to Fastener Caution (Fastener Caution).

16. Install the EN 47699 and bolt to the block and flywheel.

Tighten the bolt to 60 Nm (44 lb ft).

17. Remove the right front tire and wheel assembly. Refer to Tire and Wheel Removal and Installation (Service and Repair).
18. Lower the engine approximately 100 mm (4 in).




19. Remove the crankshaft balancer bolt (139).
Do not discard the crankshaft balancer bolt. The balancer bolt will be used during the balancer installation procedure.




20. Install the J 41816 (1) and the J 41816-2 (2), to the crankshaft balancer.




21. Remove the crankshaft balancer (138).
22. Remove the J 41816 and the J 41816-2 from the crankshaft balancer.

Installation Procedure

Note:
* The used crankshaft balancer bolt will be used only during the first pass of the balancer installation procedure. Install a NEW bolt and tighten as described in the second, third and forth passes of the balancer bolt tightening procedure.
* The crankshaft balancer installation and bolt tightening involves a four stage tightening process. The first pass ensures that the balancer is installed completely onto the crankshaft. The second, third, and forth passes tighten the new bolt to the proper torque.
* The balancer should be positioned onto the end of the crankshaft as straight as possible prior to tool installation.




1. Position the crankshaft balancer (138) onto the end of the crankshaft.




2. Using the J 41665 , install the crankshaft balancer.

1. Assemble the threaded rod, nut, washer and installer. Insert the smaller end of the installer into the front of the balancer.
2. Use a wrench and hold the hex end of the threaded rod.
3. Use a second wrench and rotate the installation tool nut clockwise until the balancer is started onto the crankshaft.
4. Remove the tool and reverse the installation tool. Position the larger end of the installer against the front of the balancer.
5. Use a wrench and hold the hex end of the threaded rod.
6. Use a second wrench and rotate the installation tool nut clockwise until the balancer is installed onto the crankshaft.
7. Remove the balancer installation tool.





Caution: Refer to Fastener Caution (Fastener Caution).

3. Install the USED crankshaft balancer bolt (139).

Tighten the USED bolt to 330 Nm (240 lb ft).

4. Remove the USED crankshaft balancer bolt.





Note: The nose of the crankshaft should be recessed 2.4-4.48 mm (0.094-0.176 in) into the balancer bore.

5. Measure for a correctly installed balancer. If the balancer is not installed to the proper dimensions, install the J 41665 and repeat the installation procedure.




6. Install a NEW crankshaft balancer bolt (139).

* Tighten the bolt a first pass to 50 Nm (37 lb ft).
* Tighten the bolt a second pass to 140 degrees using J 45059 .




7. Remove the EN 47699 and bolt from the block and flywheel.
8. Install the transmission bellhousing bolt located at approximately the 10 o'clock position when looking from the rear of the engine.

Tighten the bolt to 75 Nm (55 lb ft).

9. Raise and properly position the frame and install the frame to body bolts. Refer to Frame Replacement ().
10. Install the frame to radiator braces.
11. Install the front lower air deflector. Refer to Radiator Air Lower Baffle and Deflector Replacement (Service and Repair).
12. Connect the intermediate steering shaft to the steering gear. Refer to Intermediate Steering Shaft Replacement (Intermediate Steering Shaft Replacement).
13. Install the stabilizer shaft link lower nuts. Refer to Stabilizer Shaft Link Replacement (Front Suspension).
14. Connect the transaxle cooler lines to the transaxle. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection (Service and Repair).
15. Remove the engine support fixture.
16. Install the front fender splash shield.
17. Install the starter motor. Refer to Starter Replacement (L26) (Service and Repair)Starter Replacement (LS4) (Service and Repair).
18. Install the air cleaner upper housing. Refer to Air Cleaner Assembly Replacement (Service and Repair).
19. Install the accessory drive belt. Refer to Drive Belt Replacement - Accessory (Service and Repair).
20. Install the engine mount strut. Refer to Engine Mount Strut Replacement (Service and Repair).
21. Install the right front tire and wheel assembly. Refer to Tire and Wheel Removal and Installation (Service and Repair).
22. Perform the crankshaft position (CKP) system variation learn procedure.

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