Rough Country 684X - Manual (Page 9)

REAR INSTALLATION INSTRUCTIONS
1. Chock front wheels. Jack up the rear of the vehicle and support the vehicle with jack stands, so that the rear wheels
are off the ground. Position a jack so it supports, but does not raise the rear axle.
2. Remove the rear tires/wheels , using a 19mm deep well
socket.
3. Using a 21mm socket remove the track bar from the frame
on the passenger side. Using a 21mm socket remove the
track bar bolt at the axle and remove the track bar from the
vehicle. Retain the frame side stock hardware for reuse.
4. Using a 21mm socket loosen, but do not remove the bolts
securing the lower control arms at both the axle and frame.
5. On the rear of the vehicle remove the factory sway bar link
using a 18mm socket and wrench on the lower. Remove
the upper hardware using a 18mm wrench and a 19mm
wrench on the ball joint end.
6. Using a 10mm wrench, unbolt the brake hose bracket at
the frame. Retain hardware for later use.
7. Remove and discard the rear shocks using a 18mm
wrench. Retain stock hardware.
8. Lower the axle enough to remove the stock coil springs.
9. Remove the upper control arms from the frame and axle using a 18mm wrench. Retain the upper flag nut in the
frame and all other factory hardware. See Photo 31.
10. Assemble the heim joints in the upper control arms The rear upper heim joint is labeled as “Rear Upper” on the
heim joint. Adjust to a length of 18 3/4” from center of hole to center of hole and tighten the jam nut using a 1 1/8”
wrench. Install in the heim end on the frame with stock flag nut and the lower on the axle with factory hardware using
a 18mm wrench. See Photo 32. Photo 33 showing rear axle install. Do not fully tighten at this time.
11. Using a 21mm socket remove the bolts securing the lower control arms at both the axle and frame. Passenger side
lower shown in Photo 34. Remove the control arms and retain the hardware for reuse.
12. Adjust the new lower control arms to a length of 20 1/2” from center of hole to center of hole and tighten the jam nut
using a 1 7/8” wrench. Install the hiem on the frame and the opposite end on the axle with the factory hardware us-
ing a 21mm wrench. See Photo 35. Do not fully tighten at this time.
PHOTO 31
PHOTO 32 PHOTO 33
PHOTO 34 PHOTO 35
Remove the upper control arms
Install the new upper control arms on frame Install the new upper arm on the axle
Remove the lower control arms
Install the lower control arms