9292000
Hummer H3 / Colorado & Canyon 2 1/2” kit
Thank you for choosing Rough Country for all your suspension needs.
Rough Country recommends a certified technician install this system. In addition to these instructions, professional
knowledge of disassemble/reassembly procedures as well as post installation checks must be known. Attempts to install
this system without this knowledge and expertise may jeopardize the integrity and/or operating safety of the vehicle.
Please read instructions before beginning installation. Check the kit hardware against the kit contents. Be sure you
have all needed parts and know where they go. Also please review tools needed list and make sure you have needed
tools.
PRODUCT USE INFORMATION
Do not add, alter, or fabricate any factory or after-market parts to increase vehicle height over the intended height of the
Rough Country product purchased. Mixing component brands is not recommended.
regarding lifting devices and excludes any and all implied claims. We will not be responsible for any product that is altered.
We will be happy to answer any questions concerning the design, function, and correct use of our products by call-
ing our toll free number @ 800-222-7023.
NOTICE TO DEALER AND VEHICLE OWNER
Install the supplied “Warning to Driver” decal installed on the inside of the windshield or on the vehicle’s dash. The decal
should act as a constant reminder for whoever is operating the vehicle of its unique handling characteristics.
Rough Country makes no claims
Tools Needed:
Wheel Chocks
Ratchet
1 1/16” socket
Kit Contents:
2-Front Torsion Bar Spacers
2-Front Upper Shock Stud Spacers
2-Rear Shackles
21mm Socket
REAR INSTALLATION INSTRUCTIONS
1. Chock the front tires and jack up the rear.
2. Support the vehicle with jack stands.
3. Starting on the rear, remove the lower shock bolts from the axle using a 21mm socket / wrench. See Photo 1.
4. Support the rear axle under the differential using a floor jack.
5. Remove the stock shackles using a 21mm socket / wrench. See Photo 2. Take care not to over-extend the ABS
wire. Retain the stock hardware.
Photo 1 Photo 2
Remove the rear lower shock from the axle Remove the shackle from the spring and frame
6. Install the new shackles with the stock hardware. See Photo 3 & 4. Do not tighten at this time.
7. Jack up the vehicle and remove the jack stands.
8. Lower the vehicle to the ground.
9. Tighten the shackle hardware using a 21mm socket / wench.
Photo 3 Photo 4
Install the shackle on the frame Install the shackle on the spring
FRONT INSTALLATION INSTRUCTIONS
1. Chock the rear tires and jack up the front.
2. Remove the torsion bar adjuster bolt using 1 1/16” socket. See Photo 1.
3. Install the supplied spacer on the bolt and reinstall the bolt. See Photo 2.
Photo 1
Remove the torsion bar adjuster bolt
Install the sleeve on the torsion bar bolt
4. Snug the bolt using a 1 1/16 to level the vehicle. Note: The weight of the vehicle will
need to be taken off the vehicle while adjusting the torsion bar bolts. Adjust bolt and
lower the vehicle to the ground. If adjustment is necessary jack up the vehicle and
re-adjust as needed.
5. Remove the upper shock from the mount and install the supplied stud spacer. See
Photo 3.
6. Reinstall the shock on the vehicle with the factory hardware.
Photo 2
Photo 3
Install the sleeve
POST INSTALLATION INSTRUCTIONS
1. Check all fasteners for proper torque. Check to ensure for adequate clearance between all components.
2. Check and retighten wheels at 50 miles and again at 500 miles. Periodically check all hardware for tightness.
3. Install “Warning to Driver” decal on sun visor.