Hotchkis 22414F Scion xA-xB Sport Front Sway Bar - Manual (Page 6)

5) Install the remaining flat washer, the split lock washer, and then the nut onto each of
the 4 bolts.
6) Make sure to fully tighten the 4 bolts. You should be able to get a wrench inside the
axle tube to grab hold of the bolt head for tightening.
7) You are done.