Total Preload

Using a spring scale, check the total preload.

Total preload: 

20.7 - 54.4 N (2.1 - 5.5 kgf, 4.7 - 12.2 lbf) 

If the total preload is not within the specification, adjust the side retainer shim.

Fig 1: Measuring Preload Of Self-Locking Nut

Courtesy of SUBARU OF AMERICA, INC.