Diesel Data: Automotive Repair

101. Crankshaft Balancer Installation




Crankshaft Balancer Installation (L76)

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: 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 - holding tool and bolts.
Use 1 M10 - 1.5 x 120 mm and 1 M10 - 1.5 x 45 mm bolt for proper tool operation. Tighten the J 42386-A - holding 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 (1) onto the end of the crankshaft.




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

1. Assemble the J 41478 - seal 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 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).
5. 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.

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.

1. Tighten the crankshaft balancer bolt a first pass to 150 Nm (110 lb ft).
2. Loosen the crankshaft balancer bolt a second pass 360 degrees.
3. Tighten the crankshaft balancer bolt a third pass to 50 Nm (37 lb ft).
4. Tighten the crankshaft balancer bolt a final pass to 230 degrees using the J 45059 - meter.

8. Remove the J 42386-A - holding tool.