Crankshaft Balancer Installation

Crankshaft Balancer Installation

Special Tools

* J 41478 - Crankshaft Front Oil Seal Installer

* J 41665 - Crankshaft Balancer and Sprocket Installer

* J 42386-A - Flywheel Holding Tool

* J 45059 - Angle Meter

For equivalent regional tools, refer to Special Tools Special Tools





Caution:
Refer to Fastener Caution Fastener Caution.

Note:

* Ensure the teeth of the tool engage the engine flywheel teeth.

* The used crankshaft balancer bolt is used only during the installation procedure. Install a NEW crankshaft balancer bolt during final assembly.

1. Install the J 42386-A - tool (1) and bolts.

Use 1 M10 - 1.5 x 120 mm and 1 M10 - 1.5 x 45 mm bolt for proper tool operation and tighten the J 42386-A - tool bolts to 50 Nm (37 lb ft).





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

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





3. Use the J 41665 - installer and the J 41478 - installer in order to install the balancer.

1. Assemble the J 41478 - installer threaded rod, nut, washer and the J 41665 - 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 tools.





4. Install the used crankshaft balancer bolt (139) and tighten to 330 Nm (240 lb ft) to fully seat the balancer.

5. Remove the used crankshaft balancer bolt.





Note:
The nose of the crankshaft should be recessed 2.40-4.48 mm (0.094-0.176 in) into the balancer bore.

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





7. Install the NEW crankshaft balancer bolt (139):

1. Tighten the crankshaft balancer bolt to 150 Nm (110 lb ft).

2. Loosen the crankshaft balancer bolt 360 degrees.

3. Tighten the crankshaft balancer bolt to 80 Nm (59 lb ft).

4. Tighten the crankshaft balancer bolt a final pass to 125 degrees using the J 45059 - meter.

8. Remove the J 42386-A - tool.