Rough Country PERF653 User Manual
Page 4

1. Check the transfer case shifter to see if it will move to 4L. If
not, the linkage will need adjusting. Place the shifter in 4L,
loosen adjustment bolt and push the linkage forward until it
stops. Now re-tighten adjustment bolt. See Photo 1. Check to
be sure 4WD works properly.
2. Rotate driveshaft and check for interference at differential
yoke and cardan joint. If necessary, lightly dress casting(s)
and/or U-joint tabs in order to eliminate binding
3. Have a qualified alignment center realign front end to factory
specifications.
4. Install Warning to Driver decal on sun visor.
5. Adjust headlights to proper settings.
MAINTENANCE INFORMATION
It is the ultimately the buyers responsibility to have all bolts/nuts checked for tightness after the first 500 miles and
then every 1000 miles or 3 months. Wheel alignment steering system, suspension and driveline systems must be
inspected by a qualified professional mechanic at least every 3000 miles.
TROUBLESHOOTING TIPS
Problem: Driveline Vibrations
Possible Solution: Check all u-joints to insure that there is no wear on the existing hardware caps. Even a new vehi-
cle can cause vibrations in the angle on the U-joint is changed after being run for even a short period of time.
Possible Solution: Driveline vibrations can be caused from the removal or addition of the hardtop which changes the
rear vehicle weight, and the rear height, which affects the rear drive shaft pinion angle. If excessive vibration oc-
curs, Rough Country’s adjustable eccentric upper cam-bolt kit will eliminate such vibrations by adjusting /
rotating the rear pinion angle up or down as needed.
Problem: On 03-06 models equipped with the automatic transmission, the transmission skid plate may come
in contact with the front driveshaft at full droop even when equipped with the 1” lowering spacers supplied.
Possible Solution: Lower the transmission skid plate more to create distance in between the driveshaft & skid plate
or remove the skid plate from the vehicle.
POST INSTALLATION INSTRUCTIONS
PHOTO 1
Thank you for purchasing a Rough Country Suspension Lift Kit.
FRONT COILS
REAR COILS