Trail Master Suspension TM403N FORD F-150 4WD SUSPENSION LIFT KIT - Manual (Page 4)

TM403N
Revised
12.5.13
4
Prepare to Install Front
Suspension
1. Place your floor jack under the front
cross member and raise vehicle. Place
jack stands under the frame rails behind
the front wheel wells and lower the
frame onto the stands. Remove the
jack and remove the front wheels.
2. Remove any skid plates if necessary.
3. Work on one side of the vehicle at a
time.
4. Unbolt the OE brake line and bracket
from the side of the knuckle. Save the
hardware for reinstallation.
5. Remove the front caliper and bracket
assembly from the front knuckle by re-
moving the (2) retaining bolts.
NOTE: Make sure you do not let
the calipers hang on the brake lines
or damage will occur.
7. Remove the front rotors from the front
hub.
8. Remove the dust cap and the nut from
the end of the CV in the hub.
9. Remove the anti-lock wiring and sensor
from the hub if applicable.
10. Remove the vacuum line from the rear
of the hub.
11. Disconnect the sway bar end links from
the sway bar. Save hardware for rein-
stallation.
12. Unbolt and remove the sway bar from
the vehicle. Save hardware for reinstal-
lation.
13. Remove the tie rod end nut and sepa-
rate from the knuckle using the appro-
priate tool.
14. Remove the upper ball joint nut from
the knuckle and separate using the ap-
propriate tool.
15. Remove the lower ball joint nut, sepa-
rate using the appropriate tool. Re-
move the knuckle from the vehicle while
pulling it away from the CV and set the
knuckle aside.
16. Remove the three nuts from the top of
the coil over assembly and the one
large nut and bolt on the bottom. Re-
move the coil from the vehicle. Save
hardware for reinstallation.
17. Remove the two bolts that retain the
lower a-arms and remove them from
the truck.
18. Repeat on the other side of the vehicle.
19. Mark the driveshaft orientation and
disconnect the front drive shaft from the
differential. Secure the driveshaft up
and out of the way of the work area.
20. Remove the rear cross member brace;
retain (2) of the bolts and nuts for rein-
stallation.
NOTE: Careful heating of the OE
bolts may be necessary to loosen
the factory thread locker.
21. Make sure that the front differential is
well supported, remove the existing
hardware from both passenger and
driver side differential mounting areas.
Carefully lower differential out of vehicle
and set aside. Note the vent routing for
reinstall. Be careful the differential is
heavy.
22. In order to install the rear crossmem-
ber, the driver side control arm mount-
ing pocket needs to be removed.
Measure up 3 3/4” from the top of the
cam bolt hole and draw a horizontal line
across the entire pocket. See Illustra-