Trail Master Suspension TM403N FORD F-150 4WD SUSPENSION LIFT KIT User Manual
Page 10
TM403N
Revised
12.5.13
10
25. Transfer all the parts from the factory
knuckles to the supplied Trail Master
knuckles (90-4253 drvr and 90-4254
pass) except the vacuum actuator.
NOTE: Tighten all the factory
hardware carefully. Be sure to follow
the factory assembly procedures and
torque specifications.
26. Attach the spacer (82-2977) to the top
of the shock using the previously re-
moved OE hardware. See Illustration
11.
NOTE: The notch in the bottom
ring face toward the outside of the
truck.
27. Install the strut assembly into the strut
mounting locations. Secure using the
7/16” supplied hardware on the top
from hardware pack (90-6317). Torque
to
45-50
ft./lbs. See Illustration 11.
28. Install the OE bolt through the lower
shock mount and a-arm. Torque to fac-
tory specifications.
29. Support the lower A-arms. Position
the new front knuckles. Attach the
knuckle to the lower ball joint.
NOTE: Correctly position and
slide the vacuum actuator over the
CV before the next step.
30. While raising the knuckle and lower
control arm slide the CV through the
vacuum actuator and the knuckle. At-
tach the nut to the end of the CV
shaft. Torque to
17
ft/lbs. and attach
the dust cap. Torque the small alumi-
num vacuum cover bolts to
11
ft/lbs.
31. Attach the knuckle to the upper ball
joint. Torque to
85
ft/lbs. Torque the
lower A-arms nut to
111
ft/lbs.
NOTE: Check lower control arm
to CV boot clearance at full droop.
The lower control arm may need to
be trimmed and sanded to prevent
contact.
32. Connect the anti-lock wiring harness
and sensor to the hub if applicable.
33. Install the supplied brake line bracket
(82-7210) to the trailing edge of the
knuckle using the previously removed
OE bolt.
34. Secure the OE brake line bracket on
the front brake line to the new bracket
(82-7210) using the 5/16” X 1” bolt and
hardware.
35. Attach the vacuum lines to the rear of
the hub.
36. Install the front rotors on to the front
hub.
37. Install the front calipers on to the front
rotors by reinstalling the retaining bolts.
Torque to factory specifications.
OE Bolt
OE Coil
Over
Shock
OE Hardware
90-6317
7/16”
Hardware
82-2977
Coil
Spacer
Notch
to
outside
Illustration 11
With coil spacer