Rough Country 297N2 - Manual (Page 4)

INSTALLATION INSTRUCTIONS
1 Make sure you have all of the proper tools and understanding of these directions before you proceed.
2 Measure the front and rear of the truck from center hub to top of fender. Keep measurement for later step. Driver
Front Measurement________, Pass Front_______, Driver Rear Measurement________, Pass Rear________
3 Place the truck on a clean level surface and set the parking brake. Chock the rear wheels and using a floor jack
raise the front of the truck and support the frame rails with approved jack stands. NEVER WORK UNDER AN UN-
SUPPORTED VEHICLE. Using a 21mm deep well socket remove the front wheels.
4. Locate the torsion bar adjuster bolt on the bottom of the rear cross member, measure the threads showing on the
torsion bar adjuster bolt. Mark the position of the torsion bars on the control arm and torsion bar key. Mark both the
drivers side and passenger side. Warning: Be extremely careful when loading and unloading the torsion bars; there
is a tremendous amount of stored energy in the bars. Keep your hands and body clear of the adjuster arm assembly
and the puller tool in case anything slips or breaks.
5. Using GM approved torsion bar tool relieve the pressure from the torsion bar adjuster bolt. Remove the bolt and
threaded block from cross-member. Repeat for opposite side. See Photo 1.
6. Using a 15 mm socket remove the factory upper and lower skid plates.
7. Starting on the drivers side use a 10mm wrench to remove the brake line from the upper control arm. Unplug the
ABS wire from the frame.
8. Using a 21 mm socket remove the caliper bracket, pads, rotor and set aside.
9. Remove the bearing cap using a flat head screw driver remove the CV nut from the knuckle using a 35 mm socket.
10. Using a 18 mm deep well socket loosen but do not remove the tie rod nut. Hit the knuckle as shown in Photo 2 until
the tie rod pops out. Remove nut.
11. Using a 24 mm deep well socket loosen but do not remove the lower ball joint nut. Using a hammer, strike the
knuckle as shown in Photo 3 until the ball joint is free. The nut will keep the knuckle from falling out. Remove nut.
12. Using a 18 mm deep well socket, loosen the upper ball joint nut . Using a hammer hit the knuckle until the ball joint
breaks free. Remove the nut and remove the knuckle from the vehicle. Repeat for opposite side.
13. Remove the four factory bolts that hold the wheel bearing. Remove the wheel bearing, dust cover & o-ring. Take
caution not to damage the o-ring when removing from the stock knuckle. Install o-ring in new knuckle.
14. Using lock tight install the dust cover and bearing on the new knuckle. As shown in Photo 4. Tighten Hardware.
PHOTO 3 PHOTO 4
15. Using a 9/16” wrench remove the sway bar link.
16. Using a 15 mm wrench remove the upper shock nut. Using a 21 mm socket and 21 mm wrench remove the lower
shock bolt. Remove the shock.
17. Using a 19mm wrench and a 24 mm socket remove the lower control arm nuts. Remove the bolts, lower control
arm, and torsion bar. Retain the hardware for reuse.
PHOTO 1 PHOTO 2