Rough Country 390 - Manual (Page 3)

13. Place flag nut in-between trans cross-member
See Photo 5 and frame mount where you have just drill holes and
reinstall lower control arm bracket with the 14mm bolts, washers, and nuts. Insert the supplied 1/2 ” x 1” bolts into the
drilled holes to secure bracket. Tighten all bolts using a 22mm for 14mm bolts (Do not tighten inside bolt it will be
used to hold the skid plate later) and a 19mm for the 1/2
” bolts.
14. Install lower control arm into new bracket using stock hardware.
See Photo 6. NOTE new lower control arm will be
install with the pocket facing outward. Assemble the upper control arm and adjust the length to 17.25 ” for the 5inch
lift.
15. Install upper control arm into pocket on axle using stock hardware then attach it to lower control arm using supplied
9/16 ” x 3.75” bolts. See Photo 7. Then install lower control arm to axle using stock cam bolts. Do not tighten at this
time, hand tighten only.
16. Repeat steps 7-14 on the passenger side.
17. Remove the nuts on the two center bolts of the cross member that was installed earlier. This will be the mounting
point of the new skid plate.
18. Hang the new skid plate on the 2 bolts and reinstall the nuts. Tighten with a 22mm socket and wrench.
19. Make sure the skid plate is center before drilling the holes for the self taping bolts
20. Drill the 4 holes using a 15/32
” drill and install the 4 self taping bolts with a 9/16 socket. See Photo 8.
21. Lower vehicle to the ground. Install the tires / wheels.
22. Torque the fasteners to the following specifications:
Lower suspension arm cam nut ……………110 ft/lbs
Lower suspension arm rear nut …………….88 ft/lbs
Upper suspension arm axle nut …………….89 ft/lbs
Upper suspension arm frame nut …………..62 ft/lbs
Photo 5 Photo 6
Photo 7 Photo 8