Tuff Country 54070 - Toyota Tundra 07-14 4 lift kit - Manual (Page 9)

26. Working on the driver side, move back to the upper strut
spacer and add some loctite on the bolts holding the modi-
fied strut into the upper location and torque to 35 ft lbs.
Repeat procedure on the passenger side.
27. Remove the new cotter pin, castle nut and washer from
each new upper control arm and set aside.
28. Locate (2) 9/16” u-bolt hardware washers from hardware
bag 54070NB1. Working on the driver side, install the newly
installed upper control arm to the knuckle and secure using
the new harden washer and castle nut. Torque the castle nut
to 70 ft lbs. Install the new cotter pin to the ball joint. Special
note: Do not forget to install the new harden washer
before the castle nut is installed. If this washer is not
installed, the new upper control arm ball joint will not
seat properly and damage will occur. Also, if you are not
able to install the cotter pin because the hole in the ball
joint does not line up with the castle nut DO NOT loosen
the castle nut but tighten it until the cotter pin can be
installed. Repeat procedure on the passenger side.
29. Locate (2) 1/4” unitorque nuts and (2) 1/4” USS flat
washers from hardware bag 54070NB1. Working on the
driver side, install the ABS line brake to the new upper con-
trol arm and secure using the new hardware. Make sure to
use loctite and torque to 5 ft lbs. Repeat procedure on the
passenger side.