Install front suspension – Trail Master Suspension TM407N FORD F-150 4WD 6 SUSPENSION LIFT KIT User Manual
Page 8
8
TM407N
Revised
6.14.13
c. Cut frame using saw-z-all, cut off wheel,
plasma, or other appropriate tool.
Install Front Suspension
1. Relocate rack & pinion assembly.
a. Remove bolts securing rack & pinion as-
sembly to vehicle and remove factory mount-
ing brackets. Keep horizontal bolts for re-use.
b. Secure the steering rack using the kit 5/8”
x 5 1/2” bolt, 1/2” kit rack & pinion spacers
(90-2726), (2) 1/4” kit rack & pinion spacers
(90-8009) and kit rack & pinion bracket (90-
1964).
c. After installing the kit rack & pinion spac-
ers to achieve a 1” drop, inspect for steering
shaft and steering U-joint clearance at the
frame.
d. If no contact is made and the steering shaft
has no interference, proceed with step h.
e. If the steering shaft and/or steering U-joint
has/have interference at the frame, re-
configure kit rack & pinion spacers to create
¾” drop
Rack & pinion
assembly
Horizontal
& vertical
mounting
bolts
NOTE
NOTE: The goal of this kit is to get as close to a
1” rack drop as possible without steering shaft
hitting the frame and band clamps.
Kit Rack
& pinion
bracket
90-1964
Rack &
Pinion
Rack &
Pinion
Kit 5/8” x 5
1/2” Bolt
Kit Rack &
pinion
Spacers
90-2726 &
90-8009