Harmonic Balancer - Crankshaft Pulley: Service and Repair

Crankshaft Balancer Replacement

Tools Required
^ J41816 Crankshaft Balancer Remover
^ J41816-2 Crankshaft End Protector
^ J42386-A Flywheel Holding Tool
^ J41665 Crankshaft Balancer and Sprocket Installer

Removal Procedure





1. Remove the air conditioning (A/C) drive belt.
2. Remove the power steering gear.
3. Remove the starter motor.
4. Remove the right transmission cover and bolt.





5. Notice: Refer to Fastener Notice in Service Precautions.

Install the J42386-A and bolts. Use one M10 - 1.5 x 120 mm and one M10 - 1.5 x 45 mm bolt for proper tool operation.
Tighten the J42386-A bolts to 50 Nm (37 ft. lbs.).





6. Important: Do not discard the crankshaft balancer bolt. The balancer bolt will be used during the first pass only of the balancer installation procedure. Install a NEW crankshaft balancer bolt at second pass, during final assembly.

Remove the crankshaft balancer bolt (139).





7. Use the J41816 (1) and the J41816-2 (2) in order to remove the crankshaft balancer.





8. Remove the crankshaft balancer (138).

Installation Procedure





1. Notice: Refer to Fastener Notice in Service Precautions.

Important:
^ The crankshaft balancer installation and bolt tightening involves a 4 stage tightening process. The first pass ensures that the balancer is installed completely onto the crankshaft. The second, third and fourth passes tighten the NEW bolt to the proper torque.
^ The used crankshaft balancer bolt is used only during the first pass of the balancer installation procedure. Install a NEW crankshaft balancer bolt and tighten as described in the second, third and fourth passes of the balancer bolt tightening procedure.

Install the J42386-A and bolts. Use one M10 - 1.5 x 120 mm and one M10 - 1.5 x 45 mm bolt for proper tool operation.
Tighten the J42386-A bolts to 50 Nm (37 ft. lbs.).

2. Important: The balancer should be positioned onto the end of the crankshaft as straight as possible prior to tool installation.

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





3. Use the J41665 in order to install the 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.





4. Install the used crankshaft balancer bolt (139).
Tighten the crankshaft balancer bolt to 330 Nm (240 ft. lbs.).
5. Remove the used crankshaft balancer bolt.





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

Measure for a correctly installed balancer. If the balancer is not installed to the proper dimensions, install the J41665 and repeat the installation procedure.





7. Install the NEW crankshaft balancer bolt (139).
0. Tighten the crankshaft balancer bolt a first pass to 50 Nm (37 ft. lbs.).
1. Tighten the crankshaft balancer bolt a second pass to 140 degrees using the J45059.
8. Remove the J42386-A.
9. Install the starter motor.
10. Install the power steering gear.
11. Install the A/C drive belt.
12. Perform the crankshaft position (CKP) system variation learn procedure.