Rough Country 591.20 - Manual (Page 2)

FRONT INSTALLTION INSTRUCTIONS
1. Block the rear wheels of the vehicle. Raise the front of the vehicle and support the frame with jack stands. Remove
the front wheels and tires and set aside. Position a hydraulic jack under the front axle and raise the jack until the
front suspension begins to compress
.
2. Disconnect the track bar from the driver side frame bracket using a 30mm wrench.
3. Disconnect the sway bar end links from the axle bracket using a 21mm wrench. Remove end links See Photo 1.
4. Remove the bump stop from the cup shaped bracket. Remove the bracket from the frame rail using 10mm wrench.
See Photo 2.
Photo 2
5. Disconnect the ABS sensor wire from the lower spring seat and the radius arm, using a 8mm wrench.
6. Unbolt the brake line brackets from the axle, using a 10mm wrench, to ensure brake line free play during the sus-
pension system installation. Mark the coil springs and the coil spring seats on the axle with a grease pencil to ensure
proper spring position during installation. Remove the center disconnect vacuum lines from the clamp on the axle.( If
equipped with automatic hubs).
7. Using a 19mm wrench remove the nut, retaining washer and rubber bushing from the upper shock mounts. Using a
18mm wrench remove the lower shock bolts. Retain hardware for re-use. See Photo 3.
8. Carefully lower the jack until the coil springs are free. Remove the coil springs from the vehicle. Note: use of a coil
spring compressor may be required for spring removal.
9. Using a 24mm wrench and socket remove the bolt holding the radius arm to the frame. Using a 24mm wrench, and
socket remove the bolts holding the radius arm to the axle. Retain stock hardware for reuse.
10. Insert bushings, and sleeves from kit bag into both ends of the upper radius arm. See Photo 4.
Photo 1
Photo 3 Photo 4