Diesel Data: Automotive Repair

19. Secondary Shaft Preload Adjustment

Secondary Shaft Preload Adjustment





1. Install the oil guide plate S, the shim (A) and the bearing outer race (B) on the transmission housing.
2. Install the rear cover, then tighten the 8 mm flange bolts in a crisscross pattern in several steps.
Specified Torque: 8 x 1.25 mm 27 Nm 12.8 kgf-m, 20 ft. lbs.)

3. Rotate the secondary shaft in both directions to seat the tapered roller bearing.





4. Measure the turning torque of the secondary shaft by rotating it in both directions with a torque wrench.





5. If the preload is not within the standard, select a shim that will provide correct preload.