Tuff Country 23000 - Ford 09-13 F150 3 lift kit - Manual (Page 5)

10. Working on the driver side, remove the upper control arm
from the upper control arm location. The upper control arm
may be discarded but save the upper control arm hardware.
Repeat procedure on the passenger side.
Tuff Country EZ-Ride Suspension recommends a wall
mounted strut compressor be used when performing
the steps that talk about installing the pre-load spacer
into the strut. If you do not have a wall mounted strut
compressor, please have these steps performed by your
local Ford Dealership
11. Place the driver side strut into a wall mounted strut com-
pressor. Scribe a line on the bearing plate, rubber isolator,
the top coil of the strut, the bottom coil of the strut and bot-
tom strut plate. Special note: If these steps are not per-
formed properly re-installing the strut back into the vehi-
cle will be difficult.