Rough Country 637 User Manual
Page 4
7. Push down on the axle to allow enough room for stock coil
spring to be removed. Remove the stock coil spring and isola-
tor.
8. Install the new coil spring spacer with supplied washer/nut
retainer and secure the assembly with supplied 1/2” x 2 3/4”
bolt & lock washers through the factory coil mount as shown
in Photo 12,13 & 14.
9. Install the factory coil spring isolator as shown. See Photo 15.
10. Install the top of the coil back onto the coil seat. When install-
ing the bottom of the coil into the seat rotate the coil until the
pigtail hits the spring stop. Lower vehicle slightly, watching
coils to assure they properly seat on top.
11. Reinstall the sway bar link using a 18mm socket and wrench
using the stock hardware. Install the brake line bracket re-
moved in step 5 using factory hardware.
12. Install the rear shock extender brackets with the supplied 10mm x 80mm bolts/washers as shown in Photo 16. Re-
install the shock in the lower mount with factory hardware using a 18mm wrench.
13. Reinstall the rear tires/wheels and tighten to factory specifications. Lower the vehicle to the ground.
Photo 12
Photo 14
Photo 13
Photo 15
Photo 16
POST INSTALLATION
1. Check all fasteners for proper torque. Check to ensure there is adequate clearance between all rotating, mobile,
fixed and heated members. Check steering for interference and proper working order. Test brake system.
2. Perform steering sweep. Cycle the steering from full turn to full turn to check for clearance. Failure to perform in-
spections may result in component failure.
3. The
draglink
must be adjusted to the center steering wheel BEFORE the vehicle is driven. Failure to do so will
cause a computer error with the Jeeps traction control system and result in odd handling and poor performance.
4. Using an certified alignment professional with experience in aligning lifted vehicles, get an alignment done to factory
specifications.
5. Readjust headlights to proper settings.
MAINTENANCE INFORMATION
It is the ultimate buyers responsibility to have all bolts/nuts checked for tightness after the first 500 miles and then every
1000 miles. Wheel alignment steering system, suspension and driveline systems must be inspected
by a qualified professional mechanic at least every 3000 miles.
INSTALLING DEALER - it is your responsibility to install the warning decal and forward these installation instructions on
to the vehicle owner for review. These instructions should be kept in the vehicle for its service life.