INSTALLATION INSTRUCTIONS
Contents
1. Y an Illustration 17 6 LJ Using the hardware from kit RS860707 loosely attach drop bracket RS176653 to the differential rear mount and frame bracket See illustration 17 7 L Loosely attach spacer bracket RS176422 and the axle tube drop brackets RS176654 and RS176239 with the original bolts on the upper and 12mm hardware from kit 860572 on lower mount The wider end of each bracket is attached to the top Use included 12mm washers and nuts for upper bolts See illustration 18 DO NOT TIGHTEN BRACKETS MUST BE LOOSE Illustration 18 8 LJ FIRST Snug the differential housing rear mounting bolts until it sits flush with the frame bracket and differential 9 LI SECOND Snug the differential left driver side housing upper mounting bolts until they sit flush with the frame bracket and differential 10 LJ THIRD Tighten the differential housing rear mounting bolts to 70 ft Ibs 11 O FOURTH Tighten the differential left driver side housing upper mounting bolts to 70 ft Ibs 12 L FIFTH Slowly snug the right passenger axle tube mounting and spacer brackets while confirming that are installed correctly The brackets must align properly with the mounts If there is more than 1 16 063 gap in any location shimming will be required to prevent excessive side loads being applied to the differential axle tube lf the brackets and mount are not parallel to each other loosen and re torque the Tighten2. amp COIL SPRING REMOVAL 1 LJ Chock front wheels Raise the rear of the vehicle and support the frame with jack stands Remove rear wheels 2 J Support the rear axle assembly with a floor jack 3 LJ Remove the bolt and nut holding the track bar to the rear axle 4 LJ Remove the upper and lower shock mounting bolts Remove shock absorber It may be necessary to remove fender well liner screws and pull liner out to remove upper 12 shock mounting bolt 5 LJ Remove upper end link mounting bolt brake line wire hanger and ABS lines from holders 6 J Repeat step 4 and 5 for other side 7 LI Carefully lower the rear axle Do not allow the axle to hang by any hoses or ABS cables A WARNING Do not allow the axle to hang by any hoses or ABS cables You could damage the hoses or ABS cables without this damage being visible to you resulting in sudden and unexpected failure of a hose or ABS system and an accident 8 Remove both coil springs and insulators from vehicle BUMP STOP amp COIL SPRING INSTALLATION 1 LJ On driver s side place bump stop spacer RS176589 on top of lower link axle pad Align the hole in the spacer with the existing hole on the axle pad 2 LJ Attach bump stop spacer to axle pad with 12mm hardware from kit RS860670 Tighten to 50 ft Ibs See Illustration 27 3 LJ Repeat steps 1 amp 2 for passenger side Illustration 27 4 J On driver side place coil spring RS821B onto the rea
3. M12 1 75 x 25 HHCS M12 1 75 x 35 HHCS M12 Washer PARTS LIST QTY 1 PO CH BH PO PVP NNN PO ea n AS ltem P N RS860572 RS770139 RS77035 RS7911 RS7915 RS860562 RS176421 RS770040 RS770030 RS7861 RS770151 RS42702 136763624 RS860460 RS176232 RS860670 RS770106 RS7807 RS7915 RS8860730 RS176698 RS770127 RS603112 RS770128 136763624 RS86067 1 RS821B RS94180 RS780281 RS89401 RS94119 Description Right Differential Drop Hardware Kit M12 1 75 x 80 HHCS M12 1 75 x 70 HHCS M12 1 75 Stover Nut M12 Washer Sub frame Hardware Kit Centering Plate M16 2 0 x 140 HHCS M16 2 0 Stover Nut M16 Washer USS Washer 5 8 Thread Lock Tie Wrap Hub Spacer Kit Axle Hub Spacer Rear Bump Stop Hardware Kit M12 1 75 x 30 HHCS M12 1 75 Nylock M12 Washer Rear Brake Line Drop Hardware Kit Rear Brake Line Drop Bracket M8 1 25 x 20 HHCS M8 1 25 Nylock Nut M8 Washer Tie Wrap Sub Assembly Coils Rear Coils Information Pack Rancho Decal Instructions Consumer Warranty Information O ant lt R FRONT SUSPENSION VEHICLE PREPARATION 1 J Park the vehicle on a level surface Set the parking brake and chock rear wheels Measure and record the distance from the center of each wheel to the top of the fender opening See illustration 1 illustration 1 2 J Loosen the front lug and hub nuts before raising the vehicle 3 LJ Raise the front of the vehicle and support the frame with
4. X Description hex head cap screw T Thread Pitch thread width mm The driver of this suspension system recognizes and agrees that there are risks inherent in driving a vehicle with a lifted suspension system including but not limited to the risk that you could be involved in an accident that would not occur in an unmodified vehicle By his her purchase and use of this suspension system the user expressly voluntarily and knowingly accepts and assumes these risks and agrees to hold Tenneco Inc and its related companies harmless to the fullest extent permitted by law against any resulting damages P N RS176588B RS860354 RS176230 RS860355 RS176231 RS170108 RS170109 RS176654 RS176239 RS176240 RS176651 RS176653 RS176419 RS176422 RS176589 RS602614 RS602641 RS860453 RS770072 RS7914 RS7911 RS7915 RS860707 RS770247 RS770107 RS7915 Description Box 1 of 4 Sub frame Box 2 of 4 Knuckle Left Box 3 of 4 Knuckle Right Box 4 of 4 Brake Hose Left Brake Hose Right Axle Tube Drop Bracket Front Half Axle Tube Drop Bracket Back Half Differential Drop Bracket Left Half Differential Drop Bracket Right Half Differential Drop Bracket Aft End Link Extension Differential Bracket Spacer Rear Bump Stop Outer Tie Rod End Inner Tie Rod With Jam Nut Left Differential Drop Hardware Kit M12 1 75 x 60 HHCS M12 1 75 x 65 HHCS M12 1 75 Stover Nut M12 Washer Aft Differential Drop Hardware Kit
5. jack stands Remove the front wheels and set them aside SKID PLATE REMOVAL IF APPLICABLE 1 LJ Remove the bolts holding the differential skid plate to the front crossmember See lllustration 2 Slide the skid plate back and remove Illustration 2 STEERING KNUCKLE REMOVAL 1 LJ Remove the brake caliper and its mounting bracket as an assembly Hang the caliper assembly with wire or a tie wrap AN WARNING Do not allow the caliper to hang by the brake hose You could damage the hose without this damage being visible to you resulting in sudden and unexpected brake failure and an accident 2 L Mark the brake rotor left or right Remove the brake rotor If applicable disconnect the ABS speed sensor 3 LJ Remove the axle shaft hub nut A WARNING Do not hammer the ball studs to separate them from components You could damage the ball studs without this damage being visible to you resulting in sudden and unexpected failure of the ball studs and an accident 4 L Loosen the tie rod end jam nut Remove the nut from the outer tie rod stud Disconnect the outer tie rod end from the steering knuckle with removing tool 9360 See illustration 3 Outer Tie Rod End H H i f eee oie TA i TUN Ut T TIM j L Wor l Removing Tool 9360 Illustration 3 5 LJ Remove the nut at the upper ball joint Using removing tool 9360 separate the ball joint from the steering knuckle
6. joint into the knuckle upper ball joint nut See illustration 23 1 i a i RS176231 fy CEE Aa ag m ra E d N i gt a wt RS602614 Illustration 23 8 Ll Tighten the upper ball joint nut to 40 ft Ibs Tighten the lower ball joint nut to 38 ft Ibs An additional 90 degree turn is required for both nuts 9 LJ Install the axle shaft hub nut and tighten to 185 ft Ibs 10 LJ Attach outer tie rod end to steering knuckle with the Original nut Tighten ball stud nut to 45 ft Ibs Tighten the jam nut to 94 ft Ibs 11 LI Repeat steps 1 through 10 to install the left coil over and steering knuckle RS1 6230 on the driver side BRAKE HOSE REPLACEMENT 1 J Separate the passenger side brake line from the brake hose at the frame rail Plug line to prevent brake fluid seepage NOTE If the master cylinder becomes empty then the entire brake system must be bled Follow manufacturer s recommendations for bleeding the entire system 11 2 LJ Remove the bolt holding the brake hose to the frame See illustration 24 Brake Line Clip RS170109 Illustration 24 3 LJ Install the brake rotor Attach the front caliper to the steering knuckle with the original mounting bolts Tighten the caliper mounting bolts to 130 ft Ibs 4 LJ Remove the brake hose banjo bolt at the caliper Remove brake hose 5 LI Attach right brake hose RS170109 to the caliper w
7. punch File Hammer Wire Brush to clean bracket mounting surfaces Silicone Spray Lubricant Dot 3 Brake Fluid Enamel Paint Tape Measure Safety Glasses wear safety glasses at all times HO G ECEE CEA E J It is extremely important to replace coil springs CV flanges and front drive shaft pinion relationships as original Be sure to mark left right front rear and indexing of mating parts before disassembly A paint marker or light colored nail polish is handy for this K Suspension components that use rubber or urethane bushings should be tightened with the vehicle at normal ride height This will prevent premature failure of the bushing and maintain ride comfort L The required installation time for this system is approximately 5 to 6 hours Check off the box LJ at the beginning of each step when you finish it Then when you stop during the installation it will be easier to find where you need to continue from M This suspension system was developed using the following wheel amp tire combination 20 x 9 wheel with 5 inches of backspacing and a 295 60R20 tire Maximum total backspacing rim and tire is 6 5 Before installing any other combination consult your local tire and wheel specialist Fits OE 17 and up rims ONLY WITH OE TIRES Backspacing Negative Offset Bs Tl Diameter _ Mounting Face WHEEL TERMINOLOGY N Important information for the end user is contained in the consumer install
8. INSTALLATION INSTRUCTIONS 89401 RevA For Rancho Suspension System RS66401B 2013 2014 RAM 1500 4WD Fits OE 17 and up rims ONLY WITH OE TIRES WARNING Carefully read understand and follow the instructions provided in this manual and keep it in a safe place for future reference If you have any doubt whatsoever regarding the installation or maintenance of your Rancho suspension system please see your retailer for assistance or advice Failure to follow the warnings and instructions provided herein can result in the failure of the suspension system or can cause you to lose control of your vehicle resulting in an accident severe personal injury or death These instructions should remain in the vehicle glove box for future reference 1 89401 Rev A N WARNING READ ALL INSTRUCTIONS THOROUGHLY FROM START TO FINISH BEFORE BEGINNING INSTALLATION Failure to follow the warnings and instructions provided herein can result in an accident severe personal injury or death l PRELIMINARY This manual presumes that all persons installing this suspension system have a high level of mechanical training and experience and have available to them all necessary tools and safety equipment This manual is not and should not be construed as an exhaustive list of all required safety measures Personnel should rely primarily on their training and experience as well as on their own common sense This Manual is to be read as a supple
9. See illustration 4 Illustration 4 6 LI Remove the nut at the lower ball joint Using removing tool 8677 separate the ball joint from the steering knuckle See illustration 5 Removing Tool Steering Knuckle 8677 Illustration 5 7 LJ Remove the steering knuckle Hang the half shaft with wire or a tie wrap 8 J Repeat steps 1 through 7 for other side COIL OVER amp LOWER CONTROL ARM REMOVAL 1 L Remove the upper nut from both end links Remove the upper retainers and grommets Separate the sway bar from the end links See illustration 6 Sway Bar End Link amin lt 4 A a HO ie f a Ny Illustration 6 2 J Support the lower control arm with a jack 3 LJ Remove the three upper coil over nuts See illustration 7 Do not remove the center rod nut Illustration 7 4 LJ Remove the lower coil over nut and bolt See illustration 8 Lower jack and remove the coil over assembly Coil Over Lower Control Arm Illustration 8 5 LJ Mark the lower control arm pivot bolts for installation reference Remove the lower control arm pivot bolts Refer to illustration 8 Remove the lower control arm 6 LJ Repeat steps 2 through 5 for the other side INNER amp OUTER TIE ROD REPLACEMENT 1 LJ Remove clamps from rack and pinion boot See illustration 9 Slide boot to expose rack and inner tie rod a Bid inner Tie Rod Illustration 9 NOTE Keep rack clean while exposed 2 J Un
10. e a fastener of lesser strength See bolt identification table on page 2 E Compare the contents of this system with the parts list in these instructions If any parts are missing contact the Rancho Technical Department at 1 734 384 7804 F Install all nuts and bolts with a flat washer When both SAE small OD and USS large OD washers are used in a fastener assembly place the USS washer against the slotted hole and the SAE washer against the round hole G Apply a drop of thread locking compound to all bolts during installation Z CAUTION Thread locking compound may irritate sensitive skin Read warning label on container before use H Unless otherwise specified tighten all nuts and bolts to the standard torque specifications shown in the table on page 4 USE A TORQUE WRENCH for accurate measurements l Some of the service procedures require the use of special tools designed for specific procedures The following tools and supplies are recommended for proper installation of this system If you do not know how to safely use any of these tools stop the project and consult a qualified mechanic Dodge Service Manual Coil Spring Compressor Removing Tools 8677 amp 9360 Drill motor Reciprocating saw Assorted Drills 1 8 through 1 2 Torque Wrench 250 FT LB capacity 1 2 Drive Ratchet and Sockets Assorted Combination Wrenches Heavy Duty Jack Stands Wheel Chocks wooden blocks SF L Hydraulic Floor Jack Center
11. er information pack If you are installing this system for someone else place the information pack on the driver s seat Please include the installation instructions when you finish O The lifespan of Rancho products depends on many factors Improper use abuse or harsh use in general may compromise the integrity of the suspension system and significantly reduce its lifespan The suspension system is also subject to wear over time Have the suspension system regularly inspected and maintained by qualified mechanics If the inspection reveals any damage or excessive wear no matter how slight immediately replace or repair the component The suspension system must be regularly maintained in order to optimize its safe and efficient use The more severe the conditions under which the suspension system is operated the more often it must be inspected and maintained P Red Components are for illustration purposes only Red components might not be available STANDARD BOLT TORQUE amp IDENTIFICATION INCH SYSTEM 1 2 13x1 75 HHCS 3 Hinan Trt oT O O mm D T L X Grade 5 Grade 8 Lo oo G Grade Marking bolt strength D Nominal Diameter inches T Thread Pitch threads per inch L L Length inches X Description hex head cap screw METRIC SYSTEM Class 9 8 Class 10 9 Class 12 9 T ete gt Te D T L X L P Property Class bolt strength L Length millimeters D Nominal Diameter millimeters
12. ith new washers and the original banjo bolt See illustration 25 Tighten the bolt to 20 ft Ibs RS470109 Illustration 25 6 LJ Attach brake hose RS170109 to the brake line and frame Tighten the original frame bolt to 7 5 ft lbs and the brake line fitting to 14 ft Ibs 7 LJ Repeat steps 1 through 6 to install left brake hose RS170108 on the driver side 8 J Bleed the front brakes as follows Fill master cylinder reservoir with approved brake fluid Attach a clear hose to bleeder valve of right front caliper Immerse other end of hose into glass container partially filled with brake fluid Open bleeder valve and then have a helper press down on the brake pedal Close bleeder valve and repeat process until fluid is clear and free of bubbles Repeat steps for left front caliper END LINK EXTENDER INSTALLATION 1 J Apply thread lock to the original end link Attach end link extender RS176419 to end link See illustration 26 Tighten extender securely Illustration 26 2 J Attach the end link assembly to the sway bar with the Original retainers bushings and nut Tighten nut to 20 ft Ibs 3 LJ Repeat steps 1 and 2 for the other side 4 LJ Install front wheels and lower vehicle to ground Tighten the lug nuts to 130 ft Ibs 5 LI Align reference marks and tighten the lower control arm pivot bolts to 150 ft lbs Tighten the lower shock mounting bolts to 155 ft Ibs REAR SUSPENSION SHOCK ABSORBER
13. ment to and must not be construed as a substitute for the owner s manual and or shop manual that originally accompanied the vehicle Refer to such use operation maintenance and safety manuals as necessary and especially after installation is complete to insure proper vehicle operation The following terminology has been used in this Manual ACCIDENT Any event which could cause personal injury or death to anyone installing or using the suspension system as well as to passengers and bystanders or otherwise may result in property damage ll PRE INSTALLATION WARNINGS and INSTRUCTIONS A WARNING Only the following rim tire sizes may be used with this suspension system 295 60R20 tire 20x9 in 0 offset wheel Use of any other rim tire combination increases the risk of a roll over and or accident resulting in severe personal injury or death A WARNING This suspension system will enhance the off road performance of your vehicle It will handle differently both on and off road from a factory equipped passenger car or truck Failure to drive this vehicle safely may result in serious injury or death to the driver and passengers ALWAYS WEAR your seat belts REDUCE your speed and AVOID sharp turns and other abrupt maneuvers 1 Service and repair tasks require specialized knowledge training tools and experience General mechanical aptitude may not be sufficient to properly install this suspension system If you have any d
14. n 20 7 J Carefully release tension on coil spring Remove coil over from spring compressor 8 J Repeat steps 3 through 7 for the passenger side FRONT SHOCK amp STEERING KNUCKLE INSTALLATION 1 J Insert the top of the right coil over assembly into the passenger side frame bracket Attach coil over to bracket with the original nuts Tighten nuts to 45 ft Ibs 2 J Loosely attach the bottom of the coil over to the lower control arm with the original hardware Insert bolt from back to front 3 LJ Remove the three hub mounting bolts from the passenger side steering knuckle Separate the hub dust shield and ABS clip if applicable from the knuckle See illustration 21 ABS Clip pt 1120 t amaa ae id ET Dust Shield Illustration 21 4 J Attach dust shield hub and ABS line use tie wrap to right steering knuckle RS1 76231 Tighten hub bolts to 120 ft Ibs NOTE If equipped with ABS brakes position the speed sensor opening on the hub toward the front of the vehicle 5 LI Install axle hub spacer RS176232 on the passenger side axle shaft See illustration 22 6 LJ Support the lower control arm with a jack Insert axle shaft through hub and install steering knuckle RS176231 onto the lower ball joint Install lower ball joint nut CAUTION The ball joint studs must be free from residue nylon prior to installing new knuckle 176232 Illustration 22 Install 7 J Insert the upper ball
15. oubt whatsoever regarding your ability to properly install the suspension system please consult a qualified mechanic 2 Your brake lines and fuel lines should remain undisturbed during and after installation If you think you need to modify these components in any way you are mistaken You are installing the lift improperly and will be creating a significant risk of an accident In case of any doubt consult a qualified mechanic 3 If any component does not fit properly something is wrong You are installing the lift kit improperly and will be creating a significant risk of an accident Never modify any component of the vehicle or suspension system except as instructed herein Do not continue with installation until you have identified the problem 4 Several of the procedures described herein require at least two 2 persons to safely complete the task If you have any doubt about your ability to complete any operation by yourself always ask for help from a qualified assistant 5 Before starting any operation confirm that all personal safety devices and safety equipment are in proper condition and position 6 Give your work undivided attention Looking around carrying on a conversation and horse play are careless acts that can result in an error in installation and or serious injury 7 Install only tires approved by the United States Department of Transportation DOT approved Make sure the rim and tire size are pro
16. perly matched 8 If any components of the vehicle or suspension system are damaged in any way during installation immediately replace the component 9 During installation carefully inspect all parts of the vehicle and replace anything that is worn or damaged 10 Nip points present the risk of the catching lacerating crushing and or amputating fingers hands limbs and other body parts during operations Always keep clear Wear protective gloves 11 Oil and hydraulic fluids are poisonous dangerous to health and are known to the State of California to cause cancer birth defects or other reproductive harm Do not inhale vapors or swallow Do not allow contact with the eyes or skin Should any oil or fluids be swallowed or inhaled or come into contact with the eyes immediately follow the safety precautions on the label or call a poison control center immediately Should any of the oil or fluids contact your skin immediately wash thoroughly 12 Never install the suspension system if you are under the effects of alcohol medications and or drugs If you are taking prescription or over the counter medication you must consult a medical professional regarding any side effects of the medication that could hinder your ability to work safely Ill WARNINGS AND INSTRUCTIONS AFTER INSTALLATION 13 After installation is complete drive the vehicle slowly in an area free from heavy traffic for at least three 3 miles Likewise before
17. r axle pigtail end down Attach original insulator to top of coil then raise the axle guiding the springs into the frame pockets See Illustration 28 RS821B csi f bs at P RS176589 Illustration 28 l 5 LJ Attach new Rancho shock absorbers RS5369 only to the upper and lower mounts Tighten securely Note Failure to use Rancho rear shocks RS5369 could lead to coil spring damage 6 LJ Repeat steps 4 and 5 for passenger side 7 L Install brake line drop bracket RS176698 and Re attach upper end links using OE end link and brake line hanger hardware Attach brake line wire hanger to drop bracket using supplied 8mm hardware form kit RS860730 Reattach ABS iy Illustration 29 8 LJ Install rear wheels and lower vehicle to ground Tighten lug nuts to 140 ft Ibs 9 J Reinsert original track bar bolt into axle bracket Tighten to 110 ft Ibs See illustration 30 13 Illustration 30 FINAL CHECKS amp ADJUSTMENTS 1 J Turn the front wheels completely left then right Verify adequate tire wheel and brake hose clearance Inspect steering and suspension for tightness and proper operation 2 LJ With the suspension at maximum extension full droop inspect and rotate all axles and drive shafts Check for binding and proper slip yoke insertion The slip yoke should be inserted a minimum of one inch into the transfer case and or transmission 3 LJ Ensure that the vehicle brake s
18. stants help raise sub frame RS176588B up into the lower control arm frame brackets See illustration 13 Illustration 13 4 LJ Attach the sub frame with the hardware from kit RS860562 Install a small washer and centering plate RS176421 on each rear bolt Insert all bolts from front to back See illustration 14 176421 Sub Frame Illustration 14 5 LJ Install one of the original cross member bolts as shown in illustration 13 Tighten the OE bolt to 75 ft Ibs Tighten the sub frame nuts and bolts to 150 ft Ibs FRONT DIFFERENTIAL DROP BRACKET INSTALLATION 1 J Support the front differential assembly with a jack 2 LJ Remove the differential housing rear mounting bolts See illustration 15 Illustration 15 3 LJ Remove the right passenger axle tube mounting bolts 4 L Remove the differential left driver side housing upper mounting bolts Carefully lower the differential assembly about 4 inches WARNING Failure to follow differential drop bracket installation and torque sequence can result in damage to the differential axle tube 5 LJ Using the hardware from kit RS860453 loosely attach differential drop brackets RS1 6240 left driver half and RS176651 right passenger half to the differential left driver side upper mount and frame bracket See illustrations 16 and 17 Use the longer bolts on the bottom k 176651 f i LS y gt a gt 176853 i r K 35MM
19. the differential housing rear mounting bolts WARNING Do not tighten the right passenger axle tube mounting brackets if step 12 cannot be successfully completed 13 LJ SIXTH When the right passenger axle tube mounting and spacer brackets are installed and aligned properly Tighten mounting bolts to 70 ft Ibs LOWER CONTROL ARM amp SHOCK ABSORBER INSTALLATION 1 LJ Insert the left lower control arm into the sub frame pockets on the driver side Loosely attach the control arm with the original hardware Align Cam Bolts if so equipped NOTE Do not tighten pivot bolts until vehicle is at normal ride height 2 J Insert the right lower control arm into the sub frame pockets on the passenger side Loosely attach the control arm Bo Right LCA i Illustration 19 3 L Install the driver side coil over assembly into a quality spring compressor Mark coil shock and upper mount for installation reference Carefully compress the coil spring 4 J Hold the shock shaft and remove the upper shock nut Remove the shock 5 LJ Assemble new shock absorber RS5810 6 LJ Insert shock assembly into coil spring Install OE isolator OE jounce bumper and mounting plate See illustration 20 Align reference marks and install upper nut Tighten nut to 45 ft Ibs 10 OE Mounting Plate OE Isolator Rancho Bumper Rancho Bumper Cap a a Rancho isolator Rancho Spring Seat RS5810 Illustratio
20. thread inner tie rod from rack Remove the tie rod assembly 3 LJ Remove outer tie rod end and jam nut Remove OE clamp and boot 4 LJ Install OE boot OE clamp and new jam nut on inner tie rod RS602641 Install jam nut to end of threads and attach outer tie rod end RS602614 See illustration 10 As reference leave a 45 gap between jam nut and tie rod end RS602614 RS602641 OE Clamp OE Boot Illustration 10 5 LJ Apply a small amount of thread lock to inner tie rod RS602641 Attach new tie rod assembly to rack Tighten inner tie rod securely Do not over tighten 6 LJ Install boot in original location on rack and inner tie rod Secure boot to rack with a tie wrap from hardware kit RS860562 Secure boot to inner tie rod with the OE clamp 7 J Repeat steps 1 through 6 for the other side SUB FRAME INSTALLATION 1 LJ Remove the bolts attaching the cross member to the rear frame brackets of the lower control arms See illustration 11 Remove the cross member illustration 11 2 LJ To provide clearance for the differential cut off the driver side frame bracket 2 0 inches from the edge of the alignment tab See Illustration 12 File sharp edges and paint exposed metal A WARNING Do not use a flame cutter or torch to remove bracket You could warp weaken or damage the bracket without the damage being visible to you resulting in loss of vehicle control and an accident Illustration 12 3 LJ With an assi
21. tion the crash protection systems designed in the vehicle may operate differently from an unmodified vehicle For example turning and evasive maneuvers must be executed at a slower rate of speed Further there is a greater risk that the vehicle could roll over These differences could result in an increased possibility of an accident personal injury or death Learn the vehicle s operations and handling characterizes and drive accordantly V IMPORTANT NOTES A Before installing this system have the vehicle s alignment and frame checked by a certified technician The alignment must be within factory specifications and the frame of the vehicle must be sound no cracks damage or corrosion B The components of Rancho s suspension system are designed as a single integrated system To avoid compromises in terms of safety performance durability or function do not substitute Rancho components with components manufactured by other companies Use of other components will result in the forfeiture of any type of warranty on the vehicle suspension system New Rancho shock absorbers are required and must be purchased separately RS5810 RS5369 C Do not powder coat or plate any of the components in this system To change the appearance of components automotive paint can be applied over the original coating D Each hardware kit in this system contains fasteners of high strength and specific size Do not mix hardware kits or substitut
22. traveling on any highways or at a high rate of speed drive the vehicle for ten ten miles on side roads at moderate speed If you hear any strange noise or feel unusual vibration if a component of the suspension system is not operating properly or if any warning lights illuminate or buzzers sound stop the vehicle immediately Identify the cause and take any necessary remedial action 14 Confirm that all components of the vehicle including all lights headlights turn signals brake lights etc linkages accelerator etc electrical switches and controls windshield wipers and defoggers etc and other warning devices low tire pressure monitoring systems are fully operational 15 Your headlights will need to be readjusted before the vehicle is used on the roads Consult the vehicle owners manual 16 The speedometer and odometer will need to be recalibrated after installation See your dealer 17 Confirm proper rear view and side view while seated in the driver seat Install supplemental mirrors as necessary 18 Your original low tire pressure monitoring system may be re installed in your new wheels However if you choose to purchase a new system see your dealer to have them properly calibrated Proper tire pressure is critical to safe operation of the vehicle IV OPERATION 19 Because it has been modified the vehicle will not handle turn accelerate or stop in the same manner as an unmodified vehicle In addi
23. ystem operates correctly If new brake hoses were installed verify that each hose allows for full suspension movement 4 LJ Readjust headlamps certified alignment facility Have vehicle aligned at a Recommended Alignment Specifications Caster degrees 3 75 5 Camber degrees 0 3 Sum Toe In degrees 1 1 5 L Park the vehicle on a level surface Measure and record the distance from the center of each wheel to the top of the fender opening See Illustration 31 Record these measurements in the space provided below Illustration 31 Please retain this publication for future reference See Important Note N
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