Rough Country 479.20 User Manual
Page 3

13. Insert the radius arm drop bracket into the stock location. See Photo 7.
14. Insert the supplied crush sleeves in the bracket as shown in Photo 8 and secure using the supplied 3/4” x 5” bolts,
washers & nuts. Tighten using a 1 1/8” wrench & socket .(2 Per side).
15. Using a measuring tape, mark 3/4” from the end of the factory radius arm as shown and trim using a reciprocating
saw. This area is trimmed for clearance on the crush sleeve. See Photo 9
16. Reinstall the stock radius arm in the drop bracket in the lower hole with the stock hardware. See Photo 10. Leave
loose. Both radius arm bolts will be torqued with the weight of the vehicle on the axle.
17. Reattach the ABS wire to the radius arm.
18. Repeat step 3-15 on the opposite side.
19. Using a 21mm wrench and 19mm wrench & socket remove the factory track bar bracket. Retain stock hardware for
re-use.
20. Position the Rough Country track bar bracket on the frame in the same position as the original and secure using the
factory hardware. Tighten all 5 mounting bolts to 129 ft/lbs. See Photo 11.
21. Using the nylon bump stop extension provided, place the extension between the frame and the bump stop cup. Bolt
back into the original location using the 8mmx95mm bolt
supplied. Torque to 15 ft. lbs.
22. Lower the front axle enough to install the new coil
springs. Position the coil springs in the lower coil mounts
on the axle and rotate as necessary to be sure that the
pigtail of the coil in indexed properly in the bucket. Posi-
tion the factory rubber isolator on top of each coil, then
raise the axle enough to seat the coil springs in the up-
per spring buckets.
Photo 7
Photo 8
Photo 10
Photo 11
Passenger
Radius Arm
Frame Mount
Bracket
Radius Arm
Frame Mount
Bracket Crush
Sleeve
Radius Arm
Frame Mount
Bracket with
Radius Arm
Reinstalled
Photo 9