Rough Country 622N2 - Manual (Page 6)

1. Once again as on the front (following same basic steps). Place safety (jack) stands under rear frame rails.
2. Disconnect rear track bar from frame rail on the passenger side of the vehicle, using a T55 torx socket. Install new
drop down tracking bar mounting bracket on frame rail by placing it into the old mounting point and installing 5/16” x
1” long bolt, nut and washer, using a 13mm wrench from 1622bag2 into the tab hole on the bracket. Using factory
hardware in stock mounting location and supplied 12mm-1.75 x80mm long bolt, nut and washer, from 1622 bag2 in
new drop location secure track bar, using a 19mm wrench. Note– it may be easier to install track bar into bracket
when vehicle is on the ground. See Photo 1 & 2.
3. The new leaf springs have larger center pins than the stock springs. You must drill the spring perch to 9/16”,
being careful not to drill to deep.
4. Prior to installation of new springs, thoroughly lubricate the new spring poly eye bushings and sleeves with a water
resistant, lithium based grease. Install new springs with shims, using a 21mm wrench, and 22mm socket. When in-
stalling the springs the thick part of shim goes toward front of jeep. Do not fully tighten the springs and the track
bar to factory specs until the vehicle is on the ground. Tightening before the weight is on the vehicle may
prevent the shackles from moving to their natural position and result in the arched spring being pinned for-
ward against the frame.
5. Attach tracking bar to drop down bracket using origi-
nal 12mm bolt and flange nut. Using a 19mm wrench
torque to 45 ft. lbs.
6. Install the rear shock re-locator as shown with the
12mm x 65 bolt from 1185bag in the stock location,
using a 19mm wrench.. Locate and install the sup-
plied 5/16 bolt in the bracket and stock mount, using
a 13mm socket. Tighten hardware. See Photo 5.
7. Assemble the rear shock absorbers. Part# 658692
with loop bushings and corresponding sleeves and
install shocks, torque upper and lower mounts to 45-
ft. lbs.
8. Remove the factory rear brake hose from the frame
mount and from the axle mount.
9. Install the new Rough Country rear brake hose. It should be identical to the factory hose except for the length.
Route the new hose in the same manner, and use the stock attaching hardware
10. Install tires; using a 13/16” deep well socket. Remove jack stands and lower vehicle to floor. Tighten the shackle to
95 ft. lbs. and the frame end to 105ftlbs. Install/tighten track bar into drop down bracket.
11. Tighten the rear springs using a 21mm wrench, and 22mm socket. Torque bolt to 65 ft. lbs.
Photo 1 Photo 2
Photo 5
REAR INSTALLTION