Installation Instructions
Contents
1. Installation I nstructions 44 2157 Covers All F150 MLS Complete Kits IF YOUR ReadyLI FT OFF ROAD SUSPENSION PRODUCT IS MISSING A PART OR HAS A DAMAGED PART PLEASE CONTACT CUSTOMER SERVICE DIRECTLY A NEW REPLACEMENT PART WILL BE SENT TO YOU I MMEDI ATELY 800 549 4620 MON FRI 7AM 5PM PST OR EMAIL INFO ReadyLI FT COM WEBSITE www ReadyLl FT COM Please retain this document in your vehicle at all times ReadyLI FT Off Road Suspension Limited Warranty Limited Warranty details for ReadyLIl FT Off Road Suspension The ReadyLIFT Off Road Suspension Limited Lifetime Warranty covers defective materials or defective work manship for the life of the product to the original purchaser and only on the original vehicle which the product was installed The ReadyLIFT Off Road Suspension Limited Lifetime Warranty excludes the following wearable items bushings bushing sleeves bump stops top out stops spherical bearings uniballs heim joints rod ends and misalignment spacers upper control arm and steering These items are considered wear items and are cov ered for 90 days from the original purchase date therefore these items will not be considered defective because of wear Wear is subject to use of product use of vehicle driving conditions weather conditions cleanliness of product components and maintenance up keep The degree of wear and overall lifetime of each wear item is subject to afore mentioned conditions and cir2. lower control arms 114 Remove the four sway bar w mounting nuts and remove the j sway bar from the vehicle Retain hardware 15 Carefully remove the hub dust cap to expose the axle shaft nut Fig 8 Remove the axle shaft nut I Retain the cap and B nut they will be re installed later 16 Loosen but do not remove the three strut as sembly mounting nuts at the NSS frame Fig 9 i W arning Do not attempt _ to loosen or remove the middle F strut nut shock shaft mount z w ae 7 ut 24 from the mounting plate the 4 4 Ms strut spring assembly is under e high pressure and serious dam age or injury can occur Revised June 14 www ReadyLI FT com 17 Loosen and re move the nut from the strut to lower control arm mount ing bolt Fig 10 Leave the bolt in place at this time Retain the mounting nut For 18 Remove the upper and lower ball joint nuts Fig 11 and rein stall a few turns 19 Utilizing a Ball Joint Pulling Tool or suitable device separate the knuckle from the upper and lower ball joints to dislodge the rig 2 8 and the strut to lower control arm bolt Swing the knuckle lower control arm down to remove the CV shaft from the hub Retain ball joint nut and strut bolt 21 Remove the lower ball joint nut and remove the knuckle from the vehicle Retain hardware a a P 7 e i i k i 22 Remove the lower con
3. m T be removed 39 With the cross member installed mark the dif ferential hole on the factory control arm pocket Fig 25 Remove the crossmember and drill a 9 16 hole at the mark for easiest access drill the hole S from front to back a step drill is recommended for this step Re install the rear crossmember to ensure align ment and clearance of all holes and fitment on the driver and passenger sides Remove rear crossmem ber at this time and set aside Phone 800 549 4620 7 Installation Instructions 44 2157 Covers All F150 MLS Complete Kits 40 Steering Exten sion Pre Assembly This system is equipped witha patent pending rack amp pinion steering extension kit Please follow installation instruc tions closely and check for all clearances and tolerances along ithe way 40a Find the driver side differen tial drop bracket 48 2300 with steering support bracket Clean chase all threads then install 3 4 rod end into the pinch bung as shown Set the rod end at ap proximately 1 50 from the bracket face to center of the ball i Fig 26 Install the 1 4 20 allen bolt into the pinch bung as shown do not tighten at this gtime 40b Install Driver Side 48 2300 and 49 2940 differential drop bracket assembly into the frame Fig 27 using supplied 14mm x 90mm Hardware Pack 48 0040 allen head cap screw and utilizing the Factory Slide nut on Frame 4 do not tighte
4. 800 549 4620 11 68 Install the steering tie rod to the steering knuckle and torque to 111 ft lbs 69 Install the ABS cable to the top of the hub as sembly utilizing previously removed OE hardware and torque to about 5 7 ft lbs 70 Install the dust shield with the factory 6mm bolts and tighten the bolts securely to about 5 7 ft lbs a pr is hais A o a e a pa F _ a gt r A es od AIGA Se eh O 4 as a S aay YS a ee ee a a ae hr Yi E 71 Install the brake rotor and cali ip per to the hub assembly and toy lt lt ReadyLIFT knuckle with OE bolts and torque to 148 ft lbs X 72 Install the brake line relocation brackets 48 2600 at the frame Attach with OE hardware to frame attach brake line retaining clip with 5 16 bolt nut and washer to the relocation bracket Tighten to 20 ft lbs W 73 Attach the ABS line to the con nector at the inner fender and the vacuum line to the hub Route the lines similar to the factory setup down to the side of the knuckle Attach the ABS wire with the fac tory 6mm bolt to the side of the knuckle Utilizing OE hardware attach the brake line to the side of the new steering knuckle the brake line locating tab will go into the unthreaded hole It will be necessary to bend the back side 90 degree tab so that it is straight with the rest of the bracket flatten the bracket Fig 51 52 It may be necessary to use some zi
5. customer service to find one of our Pro Grade Dealers Notes Revised June 14 Installation by a professional mechanic is highly recommended A Factory Ford Service Manual for your specific Year Make Model is highly recommended for ref erence during installation Installation requires cutting and welding of the vehicle frame Vehicles with a two piece rear driveline may require a carrier bearing drop support bracket call tech nical assistance for details Vehicles achieving more than 5 of rear lift may require rear driveline modifications call technical assistance for details All lifted vehicles may require additional driveline modifications and or balancing A four wheel vehicle alignment will need to be performed after installation of this product Speedometer Computer recalibration is required if changing 10 from factory tire diameter Use of a Vehicle Hoist will greatly reduce installation time Vehicle must be in excellent operating condition Repair or replace any and all worn or damaged components prior to installation www ReadyLIFT com Phone 800 549 4620 3 Installation Instructions 44 2157 Covers All F150 MLS Complete Kits Front Disassembly mportant Check kit contents with Bill of Materials to ensure that all parts are included prior to starting installation Kit components and hardware are of high grade and specification do not substitute or modify components or hardware Contact R
6. damage Do not drop or strike the rack and pinion unit www ReadyLIFT com Phone 800 549 4620 6 Front Installation 32 The driver s side rear lower control arm frame pocket must be modified to provide clearance for the differential in its relocated 3 4position On the front side of the frame pocket measure from the inside edge of the slot 5 8 F 18 Mark a vertical cut line at the mark all the way to the bottom 33 On the back side of the frame pocket measure from the inside ar of the slot 1 5 8 and mark Mark a vertical cut line at fhe raat all the way to the bot tom 34 Over the top of the pocket connect the front cut line straight to the back cut line This will re samm quire cutting through the factory MES differential mount tab Fig 20 35 Using a suit able cutting de vice trim the shown area from ae VeniCIG Round off M the bottom cor ners and sand any sharp edges Revised June 14 www ReadyLIFT com 36 The factory front driver side differential mounting tab must also be removed 23 completely Remove a minimum the front half of this tab and grind flush to the frame 37 Clean and paint all bare metal surfaces utiliz ing a premium paint to prevent corrosion 38 Install the rear crossmember 48 2200 and check the driver and passenger frame pockets for necessary clearance A small amount of gt material may need to
7. miles and then periodically at each service interval thereafter www ReadyLIFT com Phone 800 549 4620 14 23 I nstallation I nstructions 44 2157 Covers All F150 MLS Complete Kits Final Checks amp Adjustments Post Installation Warnings Once the vehicle is lowered to the ground check all parts which have rubber or urethane components to insure proper torque Torque wheels to factory specs Move vehicle backwards and forwards a short distance to allow suspension components to adjust Turn the front wheels completely left then right and verify adequate tire wheel brake line and ABS wire clearance Test and inspect steering brake and suspension components for tightness and proper operation In spect brakes hoses and ABS lines for adequate slack at full extension Failure to perform the post in spection checks may result in vehicle component damage and or personal injury or death to driver and or passengers Test drive vehicle and re check the torque of all fasteners and re torque wheels on ve hicle Re adjust headlamps Vehicle Handling Warning Vehicles with larger tires and wheels will handle differently than stock vehicles Take time to familiarize yourself with the handling of your vehicle Wheel Alignment Headlamp Adjustment It is necessary to have a proper and professional wheel alignment performed by a certified alignment technician Align the vehicle to factory specifications It is recommended that your vehi
8. the vehicle is equipped with EPAS reconnect the power steering control module connector 100 If the vehicle is equipped with hydraulic rack and pinion steering top off and bleed the hydraulic fluid at this time 101 Install the rear wheels and tires and lower the vehicle to the ground 102 Jounce the Front amp Rear of the vehicle to settle the suspension 103 Torque the u bolts to 100 120 ft lbs Revised June 14 Some Final Checks 104 Check all hardware for proper torque specifica tions 105 Torque lug nuts to wheel manufacturer specifi cations 106 Check tire air pressure to manufacturer specifi cations 107 A complete four wheel vehicle alignment is necessary 108 Re adjust headlights to compensate for in creased ride height 109 Cycle Steering from lock to lock and check for any interference of wheels tires brake lines hoses wires etc and ensure adequate clearance through out the suspension cycle 110 Install all warning tags and decals as directed Rear view mirror hanging warning card Hang from rear view mirror to warn new driver of vehicle modification Lifted Truck Warning Decal Apply decal to upper left hand corner of the inside of the windshield fac ing the driver 111 Give all installation instructions warranty in formation and all remaining literature to the end user and keep with vehicle records 112 Re Check all hardware for proper torque value after 500
9. the vehicle rack amp pinion WILL cause damage to the steering column and or internal clock spring 5 Raise the front of the vehicle and support with jack stands at each frame rail behind the lower con trol arms 6 Remove the front wheels 7 Remove all factory skid plates and hardware including the nut serts in the frame jp 8 Remove the brake caliper anchor bracket bolts and remove the caliper from the knuckle Fig 1 Hang the caliper out of the way using a S Hook or suitable istrap Do Not let the caliper hang by the brake hose 9 Remove the brake rotor and dust shield set aside Fig 2 Note Mark all components to their corresponding side of removal driver passenger in T order to aid re installation 10 Disconnect the ABS and hub vacuum lines from the retaining clips Disconnect the brake line bracket from the frame rail Dis B connect the ABS line from the inner fender well and disconnect Ithe clip Fig 3 11 Disconnect hub vacuum line from the hub Fig 4 Revised June 14 www ReadyLIFT com Phone 800 549 4620 4 5 Remove and retain the mounting nuts Utilizing a ball H4 joint pulling tool or suitable de I vice disconnect the tie rod end from the steering knuckle Take care not to strike the tie rod end 13 Disconnect the sway bar links from the sway bar Fig 6 Retain hardware The sway bar links do not need to be removed from the
10. with the sway bar drop brackets with existing OE hard ware do not tighten Fig 40 En sure the hole that was drilled in the frame pocket lines up to the dif ferential mounte hole in the bracket Fig 41 Do not tighten hard ware at this time _ 52 Fasten the dif ferential to the rear crossmember Fig 42 with the sup plied 14mm x 100mm bolt washers and nut Run the bolt from front to rear Leave hardware loose Revised June 14 53 Install the OE hardware lt through the existing frame and SSS into new passenger side cross member frame support Leave we hardware loose Fig 43 54 Torque all of the differential mounting hardware to 95 ft lbs Attach the differen tial breather tube 2014 up Install 3 tube with male male barb 55 Install the lower control arms into the new cross members utilizing the provided 18mm cam eccen tric bolts cam eccentric washers and 18mm nuts Run the front crossmem ber cam eccentric bolts Starting at the front and J pointing to the rear leave loose Run the rear cross member cam ec centric bolts starting at E L the rear pointing to the front The main body of ihe cam eccentric washers should be pointed up in the cam slots Fig 44 E 56 Install the pro q vided differential S e skid plate 48 2350 TE to the front and rear fig cross members with A Vy 3 8 x 1 1 4 button mls head bolts and 3 8 Hardware Pack 48 2935 SAE wash
11. age or failure resulting from improper installation Safety Warning Suspension systems or components that enhance the on and off road performance of your vehicle may cause It to handle differently than it did from the factory Extreme care must be used to prevent loss of control or vehicle roll over during abrupt maneuvers Always operate your vehicle at reduced speeds to ensure your ability to control your vehicle under all driving conditions Failure to drive safely may result in serious injury or death to driver and passengers Driver and passengers must ALWAYS wear your seat belts avoid quick sharp turns and other sudden maneuvers ReadyLIFT Off Road Suspension does not recommend the combined use of suspension lifts body lifts or other lifting devices You should never operate your vehicle under the influence of alcohol or drugs Constant maintenance is required to keep your vehicle safe Thoroughly inspect your vehicle before and after every off road use It is the responsibility of the retailer and or the installer to review all state and local laws with the end user of this product related to bumper height laws and the lifting of their vehi cle before the purchase and installation of any ReadyLIFT products It is the responsibility of the driver s to check their sur rounding area for obstructions people and animals before moving the vehicle All raised vehicles have increased blind spots and damage injury and or death can occur if these i
12. cle alignment be checked after any off road driving In addition to your vehicle alignment for your safety and others it is necessary to check and adjust your vehicle headlamps for proper aim and alignment Vehicle Re Torque and Safety I nspection Upon completion of all services and adjustments performed on your vehicle and within 50 miles of driv ing check to ensure all fasteners and hardware are properly torqued to specification as noted in the vehicles factory service manual or the torque chart included Revised June 14 www ReadyLIFT com Phone 800 549 4620 15
13. cumstances ReadyLIFT Off Road Suspension will only warranty wear items in the case of workmanship and defects for the period of 90 days following the date of purchase Please note that all products should be inspected by a professional technician before installing any part kit onto the vehicle In addition all products should be installed by a qualified technician Please contact ReadyLIFT Off Road Suspension if there is any question as to the quality of workmanship of each component or its installation procedure Contact ReadyLIFT Off Road Suspension directly about any potentially defective parts prior to re moving any parts from the vehicle If it appears that the part is warrantable you will be given an RGA number and asked to return the part freight prepaid If the part is found to be warrantable at the sole discretion of ReadyLIFT Off Road Suspension it will be repaired or replaced and returned to you The limited warranty ex pressed by ReadyLIFT Off Road Suspension supersedes that of any claims made by authorized and unauthor ized dealers of ReadyLIFT Off Road Suspension products www ReadyLI FT com Revised June 14 www ReadyLi FT com Phone 800 549 4620 Installation Instructions 44 2157 Covers All F150 MLS Complete Kits Please read I nstructions thoroughly and completely before beginning installation Installation by a certified mechanic is recommended ReadyLI FT Off Road Suspension is NOT responsible for any dam
14. disconnect the cable from the frame first pull down on the cable and clamp it off with vise grips near the middle of the frame Fig 55 This will gain slack to disconnect the driver s side rear cable from the main m passenger s side cable 83 Remove the driver s side park f ing brake cable from the junction T bracket Fig 56 84 Compress the retaining tabs on I the driver side cable and remove it from the spring hanger Fig 57 It will be relocated and reconnected in a later step 86 Support the rear axle with a hydraulic jack and remove the OE See shocks Retain mounting hardware T for later use Note It is best to perform the rear installation on one side at a time 87 Remove the passenger s side u bolts and dis card they will not be reused 88 Lower the axle and remove the OE lift block and discard it will not be reused Revised June 14 89 If installing an optional add a leaf to the spring pack perform this procedure at this time by follow ing the instructions included with your add a leaf kit If you are not installing an add a leaf kit pro ceed to step 90 90 Select the appropriate rear MultiLIFT rear block kit Install the new provided lift block so that the bump stop wing goes toward the _inside of the vehicle 91 Raise the axle and block up to the spring while aligning the cen ter pins Fasten the spring and Z block assembly with the provided T u bolts hi
15. e Orientate the joint at the steering rack so there is the most possible clearance to remove the front Revised June 14 28 Cont driver s side bolt Remove this bolt first Disconnect the breather hose from the differential housing an extension will be added Remove the rear driver s side and one passenger s side differen tial mounting bolts Fig 15 and remove the differ ential from the vehicle 29 2009 13 pull down on the differential breather hose to gain additional slack needed when re installing the differential 2014 up Install 3 tube with male male barb SF 30 Locate the rack amp pinion coupler ge X pinch bolt Mark 3 the alignment of the rack and pinion input shaft and the coupler Fig 16 Remove the pinch bolt and separate Discon nect Electrical connections before removing Rack and Pinion Locate f the two large bolts that hold the rack amp pinion to the vehicle frame and remove Fig 17 Re _ 8 move the rack amp pinion assembly from the vehicle Note 2009 to 2010 Vehicles equipped with hy draulic steering will need to disconnect the hydrau lic hoses at the steering rack for removal Check for supplemental instructions for the 09 10 F150 W arning Special care must be taken in han dling the rack amp pinion unit to prevent damage Vehicles equipped with EPAS Electronic Power Assist Steering should safely stow the rack and pinion unit in a safe place to avoid
16. eadyLIFT Suspension customer service with any questions that you may have Important Read and study this manual prior to installation and familiarize yourself with the kit components and procedures If you are not confident in your abilities or tools do not perform the installation and refer to one of our Pro Grade Installers This is a permanent installation and re quires cutting of the frame NOTE These instructions are for trucks equi ed with an electronic steering rack For trucks witha hydraulic steering rack please see the supplemental instructions in Hardware Pack 48 2701 1 Park the vehicle on a clean flat surface and block the rear wheels for safety Engage parking brake 2 Record stock vehicle ride height measurements on both the front and the rear this will provide and guideline on vehicle rake and lift height Measure from the center of the wheel up to the bottom edge of the fender well opening and record on chart pro vided on page 2 3 Disconnect the vehicle power source at the ground terminal on the battery 2011 and newer models equipped with EPAS Electronic Power Assist Steering disconnect the power steer ing control module connector to avoid arching of the contacts in the internal power relay from a hammer blow or impact wrench 4 You must Lock Steering Wheel in straight forward position with the column lock or steering wheel locking device Rotating the steering wheel while disconnected from
17. ers into the weld nuts in the cross members Fig 45 Leave hardware loose www ReadyLIFT com Phone 800 549 4620 10 Installation Instructions 44 2157 Covers All F150 MLS Complete Kits 57 With the lower control arms installed apply Loc tite to and torque the four crossmember mounting bolts to 222 ft lbs Ensure that the front and rear cross members along with the differential are cen tered in the vehicle chassis Torque the differential skid plate bolts to 35 ft lbs Tighten sway bar drop hardware to 60 ft lbs 58 Reinstall the driver side and passengers side CV axles 59 Obtain the appropriate MLS upper gt strut spacers and match the driver side spacer to the driver side strut and _ the passenger side spacer to the pas senger strut Install the spacer to the 2 strut utilizing OE hardware and torque to 30 ft lbs Fig 46 60 Install the strut assemblies in the appropriate sides on the vehicle with the supplied hardware leave hardware loose at this time 61 Remove the four hub bolts from the stock steering knuckle and remove the hub from the knuckle Fig 47 In spect the mounting surface of the hub assembly and clean any dirt or corrosion off as necessary 62 Install the hub into the corresponding new ReadyLlFT steering knuckle driver 48 2400 pas senger 48 2401 and fasten with the previously removed OE bolts The ABS wire mounting location will be located at the t
18. gh nuts and washers eet ees Snug the u bolts firmly they will oes X se be torqued with the weight of the a vehicle on the springs Fig 58 b 92 Repeat installation procedure on the driver s side of the vehicle 93 Install the provided parking brake relocation bracket 48 2620 to the driver s side front spring hanger using provided 1 2 bolts washers and nuts Late 2012 models and newer will re quire the retaining wire to be bolted to the bracket with 1 4 hardware Fig 59 94 Reconnect the parking brake cable at the junction When reconnected remove the clamp to allow the cable to return to its normal tension Attach the parking brake cable through the relocation bracket through the slot in the bottom www ReadyLIFT com Phone 800 549 4620 13 95 Install the provided brake line relocation bracket 48 2610 to the driver s side frame rail with the OE brake line bracket bolt Fig 60 61 Torque to 15 ft lbs l m 96 Attach the brake line to the A relocation bracket with the sup plied 5 16 bolt nut and washers It may be necessary to rotate the OE brake line clip bracket to have the lines face down for adequate slack Torque to 15 ft lbs 97 Install the extended length shock absorbers with the OE hard ware Torque to 60 ft lbs 98 Check all brake lines hoses and wires for proper slack and clearance while suspension is at full droop 99 If
19. his point of the installation it is necessary to check all steering components for adequate clear ance and movement If there is any bind or clear ance issues address them at this time There is ad justment of the rod end from side to side and sanding on the frame that can gain additional clearance if needed Adjust ments made later in the install are diffi cult due to limited access to the steering extension 48 Ensure that the steering extension support bracket the T shaped support bracket and the weld plate on the frame all line up properly Fig 37 If the slots align remove the T shaped support bracket and weld the outside of the weld plate in the places shown Revised June 14 www ReadyL IFT com Phone 800 549 4620 9 Installation Instructions 44 2157 Covers All F150 MLS Complete Kits 49 Allow the metal to cool clean all welded sur faces and apply several coats of premium paint for protection 50 Attach the pas senger side differen k wy tial relocation ed bracket 48 2301 to the frame with OE hardware do not tighten at this time Raise the differential into the brackets attached into the vehicle by aligning the differential mounts in the two front drop brack ets and attach with supplied 14mm x 100mm hex head bolts hardware do not tighten at this time Fig 39 51 Install the new rear crossmember 48 2200 in the rear lower control arm frame pockets Attach the rear crossmember
20. member 48 2100 using the OE hardware do not tighten at this time Fig 33 Note The 9 front crossmember is designed to fit snugly against the frame In some cases it may be necessary to remove a small amount of material from the frame pocket and or the crossmember 44 Install steering extension as sembly 48 2303 to rack amp pin ion unit It is important that the male flats on the extension shaft are oriented perfectly with the female flats on the rack amp pinion input shaft 45 Install rack amp pinion onto front aa a cross Mem ber dur Wa ing this procedure S T it will be necessary di an M to guide the steer eet ing extension shaft y through the rod end on the steering and differential support bracket Fig 35 It may be helpful to have two people 46 Accessing the steering extension assembly through the front of the frame on top of the cross member Fig 36 attach the factory steering cou pler to the top of the extension shaft It may be necessary to loosen the rack and pinion on the driver side to slightly lower the unit to allow en gagement of the assembly Apply Loctite Tighten all steering extension hardware at this time Factory steering u joint pinch bolt to extension shaft 165 183 in lbs 34 Rod end pinch bung 1 4 20 x allen bolt 93 129 in lbs Supplied 5 16 steering extension assembly u joint pinch bolt 165 183 in lbs 47 At t
21. n Fig 27 wy 40c Find the T shaped 48 2302 Differential and Steering Support Bracket and the Weld in IFrame Plate 48 2500 and _ loosely attach to the differential d drop bracket assembly Fig 28 40d Locate the steering u joint 48 2303 2 and steering exten sion shaft 48 2303 1 Revised June 14 40d continued It is important that the male flats on the extension shaft are oriented perfectly with the fe male flats on the u joint Fig 29 Insert the splined shaft into the u joint and secure with the sup plied set screw Loctite and 2 jamb nut as shown and torque to T i 165 183 in lbs Fig 30 Set as sembly aside for now 41 Remove the paint from the driver s side rear control arm pocket Place the weld in plate so that it is aligned with the outside edge of the bracket and the plate is vertical Note Newer models will require the factory mount that wraps to the bottom side of the frame to be trimmed for clearance Tack weld in place Fig 31 42 Temporarily install the differential drop bracket 48 2300 on the driver s side with supplied 14mm x 90mm Allen bolt flat www ReadyLIFT com washer and lock washer Place the driver s side differential support bracket T shaped bracket 48 2302 up between the weld in plate 48 2500 and differential drop do not tighten at this time Fig 32 Phone 800 549 4620 8 43 Install the front cross
22. nstructions are not followed Installation Warning All steps and procedures described in these instructions were performed while the vehicle was prop erly supported on a two post vehicle lift with safety jacks Use caution during all disassembly and assembly steps to insure Suspension components are not over extended causing damage to any vehicle components and parts included in this kit Included instructions are guidelines only for recommended procedures and are not meant to be definitive Installer is respon sible to insure a safe and controllable vehicle after performing modifications ReadyLIFT Off Road Suspension recommends the use of an OE Service Manual for model year of vehicle when disassembly and assembly of factory and related components Unless otherwise specified tighten all bolts and fasteners to standard torque specifications listed within the OE Service Manual or as referenced in the torque specification list provided in these instructions Suspension components that use rubber or urethane bushings should be tightened with the vehicle at normal ride height This will prevent premature wear or failure of the bushing and maintain ride comfort Larger tire and wheel combinations may increase leverage on suspension steering and related components Due to payload options and initial ride height variances the amount of lift is a base figure Final ride height dimensions may vary in accordance to original vehicle ride height Always mea
23. op of the hub Use Loctite on the bolt threads and torque to 148 ft lbs Revised June 14 63 Remove the three 6mm bolts mounting the vac uum hub assembly to the inside of the OE knuckle Transfer the vacuum assembly over to the new knuckle Make sure the vacuum line attachment port is pointing towards the top Attach with the previously removed OE bolts and tighten bolts se curely to about 5 7 ft lbs Fig 48 49 64 Install the new Knuckle assembly on the lower control arm ball joint and loosely fasten with the original nut In stall the CV axle shaft in the hub swing the whole assembly up yi and attach the lower control arm to the strut with the original hardware Leave all hardware loose 65 Attach the upper control arm to the knuckle with the original nut Torque the upper ball joint to 85 ft lbs and the lower ball joint to 111 ft lbs Fig 50 Fig 50 66 Torque the upper strut nuts to 35 ft lbs Do not tighten the lower bolt at this time it will be tight ened after the vehicle is put back on the ground with the weight of the vehicle on the suspension 67 Fasten the CV axle shaft to the hub with the original nut Make sure the vacuum actuator splines are engaged properly on the axle and hub assembly The hub should have a very minor amount of rota tional play with the CV axle shaft if installed prop erly torque to 20 ft lbs and reinstall the dust cap www ReadyLIFT com Phone
24. p ties or appropriate fasteners to link the different lines securely together up the knuckle Fig 53 Cycle the steering and check for adequate clearance Revised June 14 74 Install the supplied driveshaft spacer and reattach the front driveshaft to differential with the supplied new hardware and F torque bolts to 76 ft lbs Fig 54 75 Install the sway bar to the new sway bar drop brackets with sup plied 7 16 x 1 1 4 bolts nuts and 7 16 SAE washers Attach the sway bar to the sway bar end links on the lower control arms utilizing the original hardware and torque to 45 ft Ibs Torque the 7 16 hardware to 45 ft lbs 76 Install the wheels and tires and lower the vehi cle to the ground 77 Jounce the front and rear of the vehicle to settle in the suspension Torque the lower strut mount bolt to 350 ft lbs 2009 2013 Center the lower control arm cam eccentrics in their slotted holes and torque to 150 ft lbs 78 Re check that all hardware is tight and of proper torque value prior to vehicle operation 79 If driving the vehicle to an alignment shop ad just the toe prior to vehicle operation Rear Installation 80 Block the front wheels and raise the rear of the vehicle Place jack stands under the frame rails ahead of the spring hangers www ReadyLIFT com Phone 800 549 4620 12 4 81 Remove the wheels 82 The parking brake cable must be relocated To
25. sure the vehicle ride height prior to beginning installation Vehicle ride height chart Front Driver Rear Pass Pass Rear a Torque Specs in FT LB Bolt Size Millimeters Metric Metric Grade 8 8 Grade 10 9 EN Revised June 14 www ReadyLIFT com Phone 800 549 4620 2 Installation Instructions 44 2157 Covers All F150 MLS Complete Kits Bill of Materials 44 2157 2 Kit Box 2 of 4 teering Knuckle Passenger Side 48 2401 44 2157 3 Kit Box 3 of 4 teering Knuckle Driver Side 48 2400 44 2157 4 Kit Box 4 of 4 Diff Drop Passenger Side 48 2301 Hardware Front Brake Line Support 48 2960 1 Hardware R Brake Line Drop Brackets 48 2965 1 Hardware Pack Hydraulic Steering Rack 48 2701 1 The Bill of Materials represents the component contents of this kit All hardware is of the highest grade and the components are manufactured to exacting specifications for a trouble free installation Use the attached torque specifications chart when final tightening of the nut and bolts are done Safety Warning Before you start installation ReadyLIFT Off Road Suspension highly recommends that the installation of this product be performed by a professional mechanic with experience working on and installing suspension products Professional knowledge and skill will typically yield the best installation results If you need an installer in your area please contact ReadyLIFT Suspension
26. trol arm mounting bolts and l the chassis Retain hardware 23 Remove the three strut assembly mounting nuts at the frame and remove the strut assembly from the vehicle Fig 9 24 Mark the struts to distinguish between driver and passenger side Phone 800 549 4620 5 Installation Instructions 44 2157 Covers All F150 MLS Complete Kits 25 Remove the four eG bolts that attach the waa OE rear crossmem ber Fig 12 to the frame and remove the crossmember from the vehicle It may be necessary to clean the bolts of excess OE frame paint coating Discard the crossmem ber but retain the hardware for re installation 26 Remove the driveshaft mounting bolts mark and discon nect the driveshaft from the dif ferential Fig 13 Allow the drive shaft to rest out of the way 27 Remove both the driver side and passenger side CV axle Strike the shaft with a mallet or soft hammer to dislodge it from the splines This will make handling the differential much easier Fig 14 Warning The front differential is heavy and awk E ward It is best removed by two people Do not tilt the differen sues tial towards the opening on the y driver side as gear oil will spill out 28 Remove the front differential Utilizing an appropriate jack support the differen tial housing Loosen all of the hardware and move the differential to the passenger s side as far as pos sibl
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