Rough-country 253X Manuel d'utilisateur télécharger pdf

921253X00

2011-UP CHEVY/GM 2500 HD 7.5”NTD DROP LIFT KIT

Thank you for choosing Rough Country for all of your suspension needs.

Rough Country recommends a certified technician installs 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 all the instructions before beginning the installation. Check the kit hardware against the Kit Contents list on

next page. Be sure you have all the needed parts and understand where they go. Also please review the tools needed

list to be certain that you have the tools necessary to complete the installation.

PRODUCT USE INFORMATION

As a general rule, the taller a vehicle is the easier it will roll. We strongly recommend, because of rollover possibility, that

seat belts and shoulder harnesses should be worn at all times. Avoid situations where a side rollover may occur.

Braking

performance and capabilities are decreased when significantly larger/heavier tires and wheels are used. Take this into

consideration while driving. Also, speedometer recalibration is necessary when larger tires are installed.

Do no add, alter, or fabricate any factory or after-market parts which increase vehicle height over the intended height of

the Rough Country product purchased. Mixing component brands, lifts, with this suspension lifts voids all warranties.

Rough Country makes no claims regarding lifting devices and excludes any and all implied claims. We will not be re-

sponsible for any product that is altered.

Due to differences in manufacturing, dimension and inflated measurements, tire and wheel combinations should be test

fit prior to installation. For this application we recommend a wheel not to exceed 9” in width with 4.5 “ of backspacing..

Additionally a quality tire of radial design is recommended, not exceeding 35” tall and 12.5” wide. Please note that use

of a 35” x 12.5” tire may require modification to the front valance. If this vehicle was equipped from the factory with 17”

wheels and if purchasing new wheels, the wheel size must not be below 17” but can be larger than 17” due to the vehicle

being equipped with larger calipers /rotor.

Due to varying cab, motor, and bed length configurations on these trucks the final ride height measurement

may need to be adjusted. After installation roll the truck forward and backwards, next measure from the center

of the front hub to the edge of the fender the truck should be a minimum of 31.0” and a maximum of 32.5”. The

torsion bar bolt will need to be adjusted until the measurement falls into this range.

NOTICE TO DEALER AND VEHICLE OWNER

Any vehicle equipped with any Rough country product must have the “Warning to Driver” decal installed on the sun visor

or dash. The decal is to act as a constant reminder for whoever is operating the vehicle of its unique handling character-

istics. INSTALLING DEALER—It is your responsibility to install the warning decal and to forward these installation in-

structions on too the vehicle owner for review and to be kept in the vehicle for its service life.

We hope installing your Rough Country lift kit is a positive experience. Please note that variations in construc-

tion and assembly in the vehicle manufacturing process will virtually ensure that some parts may seem difficult

to install. Additionally, the current trend in manufacturing of vehicles results in a frame that is highly flexible

and may shift slightly on disassembly prior to installation. The use of pry bars and tapered punches for align-

ment is considered normal and usually does not indicate a faulty product. However, if you are uncertain about

some aspect of the installation process, please feel free to call our tech support department at 800-222-7023. We

do not recommend that you modify the Rough Country parts in any way as this will void any warranty ex-

pressed or implied.

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Résumé du contenu

Page 1

921253X00 2011-UP CHEVY/GM 2500 HD 7.5”NTD DROP LIFT KIT Thank you for choosing Rough Country for all of your suspension needs. Rough Country recom

Page 2 - KIT CONTENTS ON NEXT PAGE

49. Remove the ABS wire and clamp from the stock knuckle. 50. Install the o-ring as shown in Photo 37. 51. Install bearing assembly in lifted knuck

Page 3

57. Install the stock sway bar bushings and secure with the supplied 7/16” x 3” bolts in 1253Bag3. Tighten assembly using a 5/8” wrench. See Photo 43

Page 4

REAR INSTALLATION INSTRUCTIONS 1. Chock the front tires. 2. Position a floor jack under the rear differential and jack up the vehicle. 3. Place j

Page 5

10. Remove the e-brake from the frame. See Photo 7. Retain the stock hardware for reuse. 11. Remove U-bolts use 27mm socket and lower the axle with

Page 6

17. Reinstall the brake line on the bump stop bracket with the stock hardware. See Photo 13. Tighten using a 13mm socket / wrench. 18. Install the

Page 7

OPTIONAL KICKER BAR INSTALLATION INSTRUCTIONS 1. Install kicker bracket bushing and sleeves in the kicker bars. 2. Install the supplied kicker bar

Page 8

Thank you for choosing Rough Country for all of your suspension needs. POST INSTALLATION INSTRUCTIONS 1. Check all fasteners for proper torque. Che

Page 9

REAR DRIVER SIDE TEMPLATE TRIM LINE

Page 10

Page 11

TRIM LINE FRONT DRIVER SIDE TEMPLATE

Page 12

KIT CONTENTS Rear Cross Member Front Shocks (2) Dr Diff Brkt Pass Brake Line Pass. Diff Brkt Driver Side Knuckle Skid Plate Sway Bar Link (2) Fron

Page 13

Page 14

Kit Contents: 1253Box1: Driver Side Knuckle 1253Box2 Pass Side Knuckle 1253Box3 Dr Fr Diff Bracket Dr Rr Diff Bracket Pass Diff Bracket

Page 15

INSTALLATION INSTRUCTIONS 1. Chock the rear wheels. 2. Jack up the front of the vehicle. 3. Place jack stands on the frame behind the lower contro

Page 16

14. Remove the ABS wire from the bracket as shown in Photo 7 and from disconnect at the frame as in Photo 8. 15. Remove brake caliper from the rotor

Page 17 - TRIM LINE

20. Loosen but do not remove the lower ball-joint nut using a 24mm socket/ wrench. Strike the knuckle as shown to dis-lodge the ball joint and remove

Page 18

27. Remove the passenger side diff 2 bolts using a 21mm socket. Retain the stock hardware. See Photo 19. 28. Remove the two forward driver diff fron

Page 19

33. Install the rear driver differential bracket using stock bolt with supplied 12MM flange lock nut. Slightly tighten using a 18MM wrench Do not ful

Page 20

43. Reinstall the lower control arm with stock hardware. See Photo 31. 44. Install supplied NTD sleeve in lower arm. See Photo 32. 45. Install NTD

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Rough-country 253X Manuel d'utilisateur

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