Installation Instructions
Contents
1. 10 Replace axle track bar bolt and tighten TORQUE SPECIFICATIONS Lower Control Arms to Axle 006 133 ft lbs Front Shock Absorbers at Axle 14 ft Ibs Stabilizer Bar Links to Axlle 70 ft bs U Joint Straps at Front Axle 14 ft lbs Center Link to Pitman Arme 35 ft lbs Track Bar to Frame Rail Bracket 35 ft lbs CASTER Caster should be checked using wheel alignment equipment If caster is incorrect adjustment can be made by adding or removing shims at rear of the lower control arms FRONT WHEEL ALIGNMENT The alignment should be checked and adjusted To ensure correct alignment the following in spection is recommended SET TO OK RANGE Toe Right Wheel 0 1 32 IN to 1 32 Left Wheel 0 1 32 IN to 1 32 Camber 0 1 2 to 1 2 Caster 7 1 2 7 to 8 Turn Angle Outside Wheel 33 MAX 33 to 32 This angle may be reduced as to allow 0 5 inches minimum gt Maximum tire size 31 x 10 50 gt Have head lights adjusted 55591 Created 6 27 07 55591 Created 6 27 07 Use this only as a guide for hardware without a called out torque specification in the instruction manual Bolt Torque and ID Decimal System Metric System All Torquesin Ft Lbs Maximums BoltSize Grade5 Grade8 Bolt Size _ Class 9 8 Class 10 9 Class 12 9 6116 15 2 m 5 9 12 Oo BaS m B 23 7 pT OT Mo 32 45 502. Oo HT TS j 75 y 0 Oo mw S a y Mma 5 120 145 PB HS 1G 130 165 210 po A 185 280 mg 170 240 29 1 2 13x1 75 HHCS Grade5 Grade M12 1 25x50 HHCS ANA No of Marks 2 0 G Grade Bolt Strength P Property Class Bolt Strength D Nominal Diameter Inches D Nominal Diameter M ilimeters T Thread Count Threads per Inch T Thread Pitch Thread Width mm L Length Inches L Length Milhmeters X Description Hex Head Cap Screw X Description Hex Head Cap Screw Notice to Owner operator Dealer and Installer Vehicles that have been enhanced for off road performance often have unique handling characteristics due to the higher center of gravity and larger tires This vehicle may handle react and stop differently than many passenger cars or unmodified vehicles both on and off road You must drive your vehicle safely Extreme care should always be taken to prevent vehicle rollover or loss of control which can result in serious injury or even death Always avoid sudden sharp turns or abrupt maneuvers and allow more time and distance for braking Pro Comp reminds you to fasten your seat belts at all times and reduce speed We will gladly answer any questions concerning the design function maintenance and correct use of our products Please make sure your Dealer Installer explains and delivers all warning notices warranty forms and instruction sheets included with Pro Comp product Application listings
3. in this catalog have been carefully fit checked for each model and year denoted However Pro Comp reserves the right to update as necessary without notice and will not be held responsible for misprints changes or variations made by vehicle manufacturers Please call when in question regarding new model year vehicles not listed by specific body or chassis styles or vehicles not originally distributed in the USA Please note that certain mechanical aspects of any suspension lift product may accelerate ordinary wear of original equipment components Further installation of certain Pro Comp products may void the vehicle s factory warranty as it pertains to certain covered parts it is the consumer s responsibility to check with their local dealer for warranty coverage before installation of the lift Warranty and Return policy Pro Comp warranties its full line of products to be free from defects in workmanship and materials Pro Comp s obli gation under this warranty is limited to repair or replacement at Pro Comp s option of the defective product Any and all costs of removal installation freight or incidental or consequential damages are expressly excluded from this warranty Pro Comp is not responsible for damages and or warranty of other vehicle parts related or non related to the installation of Pro Comp product A consumer who makes the decision to modify his vehicle with aftermarket components of any kind will assume all risk and r
4. 2360 Boswell Road Chula Vista CA 91914 Phone 619 216 1444 Fax 619 216 1474 E Mail _ tech explorerprocomp com PRO COMP SUSPENSION Suspension Systems that Work Important Vehicles equipped with light duty double offset joint rubber boot front driveshafts must be replaced with splicer constant velocity CV type Part 55591 92 98 Jeep Grand Cherokee Wagoneer 4WD 3 Lift Now Manufactured with Chromolly Arms This document contains very important information that includes warranty information and instructions for resolving problems you may encounter Please keep it in the vehicle as a permanent record 55591 Created 6 27 07 Introduction This installation requires a professional mechanic We recommend that you have access to a factory service manual for your vehicle to assist in the disassembly and reassembly of your vehicle It contains a wealth of detailed informa tion e Prior to installation carefully inspect the vehicle s steering and driveline systems paying close attention to the tie rod ends ball joints wheel bearing preload pitman and idler arm Additionally check steering to frame and suspension to frame attaching points for stress cracks The overall vehicle must be in excellent working condition Repair or replace all worn or damaged parts e Read the instructions carefully and study the illustrations before attempting installation You may save yourself a lot of extra work e
5. 625 Hardware Pack Containing 7 16 x 2 1 2 USS Gr 5 Hex Bolt 3 8 x 1 USS Gr 8 Hex Bolt 7 16 SAE Flat Washer 3 8 SAE Hardened Flat Washer 5 8 SAE Flat Washer 7 16 USS Nyloc Nut 3 8 USS Stover Nut Hardware Pack Containing Track Bar Drop Bracket Front Spacer 7 8 x 1 25 Lg 55591 Created 6 27 07 illus 3 amp 4 USE OF THE FOLLOWING PARTS IS MANDATORY AND MUST BE PUR CHASED SEPARATELY 55597 Front Sway Bar Link Kit 55593 Coil Springs Pair Rear Lift 324515 OR 924515 Front Shock Absorbers 324509 OR 924509 Rear Shock Absorbers 219200 Steering Stabilizer 55592 Coil Springs Pair Front Lift 6 cyl or 55598 Coil Springs Pair Front Lift 8 cyl 1 Pair 1 Pair NNN 55591 Created 6 27 07 Installation Instructions ILLUSTRATION 1 DISASSEMBLY 1 Raise and suitably support the vehicle with jackstands Support the axle with a floor jack Remove the wheels and tires 2 Mark and disconnect the front prop shaft at the axle as shown in ILLUSTRATION 1 3 Disconnect the stock lower control arm at the axle and the rear bracket and remove Refer to ILLUSTRATION 2 STOCK LOWER SSN 8 4 Disconnect the stabilizer bar links and the CONTROL ARM ii La shock absorbers at the axle as shown in ILLUS Er TRATION 2 Remove upper shock hardware and remove shock 5 Disconnect the track bar at the axle bracket 6 Disconnect the drag link at the pitman arm 7 Lower the axle
6. Check the parts and hardware against the parts list to assure that your kit is complete Separating parts according to the areas where they will be used and placing the hardware with the brackets before you begin will save installation time Check the special equipment list and ensure the availability of these tools e Secure and properly block vehicle prior to beginning installation ALWAYS wear safety glasses when using power tools or working under the vehicle Use caution when cutting is required under the vehicle The factory undercoating is flam mable Take appropriate precautions Have a fire extinguisher close at hand Foot pound torque readings are listed on the Torque Specifications chart at the end of the instructions These are to be used unless specifically directed otherwise Apply thread lock retaining compound where specified Please note that while every effort is made to ensure that the installation of your Pro Comp lift kit is a positive experience variations in construction and assembly in the vehicle manufacturing process will virtually ensure that some parts may seem diffi cult 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 installa tion The use of pry bars and tapered punches for alignment is considered normal and usually does not indicate a faulty product However if you are uncertain about some asp
7. assembly loosen the spring retainers and remove the front springs ILLUSTRATION 2 STABILIZER BAR LINKS 55591 Created 6 27 07 INSTALLATION ILLUSTRATION 3 1 Install the new front springs 55592 and BUSHING tighten the retainers 15 11187 2 Raise the axle into position 3 Insert the bushings and sleeves with grease into the new front lower control arms 91 2058 as shown in ILLUSTRATION 3 NOTE Front lower control arm 91 FRONT LOWER CONTROL ARM 91 2058 2058 is 16 center to center the rear lower con 16 CENTER LINE TO CENTER LINE trol arm 91 2051 is 16 3 4 center to center rs STUN TEILLIRNE 1 AE EINE See ILLUSTRATION 6 4 Position the lower control arms in the front and rear brackets and install using the existing bolts and nuts and the supplied washers if needed See ILLUSTRATION 3 and 4 5 Tighten the mounting bolts with a torque of 180 Nm 133 ft Ibs 6 Position the track bar drop bracket 91 1106 as shown in ILLUSTRATION 5 Mark the hole location on the axle bracket and drill 3 8 hole Connect the track bar drop bracket to the axle bracket and the stabilizer bar links and shock absorbers 324515 and tighten to the axle Refer back to ILLUS TRATION 2 if necessary Replace upper shock hardware 7 Connect the front drive shaft to the axle See ILLUSTRATION 4 8 Cycle steering lock to lock and inspect steering suspension and driveline systems to proper operation tightness and a
8. dequate clearance FRAME BRACKET Recheck brake hose fittings for leaks Be sure all ORSA hoses are long enough Brake line hose support PROP SHAFT kit 90 6029 is included with this kit Use as needed ILLUSTRATION 4 9 Install the wheels and tires Remove the jackstands and lower the vehicle REAR INSTALLATION Refer to ILLUSTRATION 6 for proper location of control arms 1 Raise rear of vehicle with a floor jack and support with jackstands forward of the lower rear rena CONTROL control arm frame mounts 55591 Created 6 27 07 ILLUSTRATION 5 DRILL 3 8 DIAMETER HOLE HEX BOLT 7 16 x 2 1 2 TRACK BAR EXISTING s TT 2 While supporting rear axle with floor jack Remove rear shocks 3 Lower rear axle to free rear coils Be careful not to over extend brake lines or differential vent hose 4 Assemble rear lower control arms 91 2051 the rear arm is 16 750 center to center measure ment Refer back to ILLUSTRATION 3 5 Remove stock lower rear arm on drivers side and replace with 91 2051 Repeat on passenger side Torque mounting bolts to 133 ft Ibs ILLUSTRATION 6 FRONT LOWER CONTROL ARM 90 2058 16 CENTER LINE TO CENTER LINE 6 Raise axle and remove axle track bar bolt 55591 Created 6 27 07 7 Lower axle enough to install rear coils 55593 8 Raise axle enough to install rear shocks 324509 or 924509 9 Install tires and set rear of vehicle on ground
9. ect of the installation process please feel free to call our tech support de partment at the number listed on the cover page We do not recommend that you modify the Pro Comp parts in any way as this will void any warranty expressed or implied by the Pro Comp Suspension company PLEASE NOTE Due to differences in manufacturing dimensions and inflated measurements tire and wheel combinations should be test fit prior to installation Tire and wheel choice is crucial in assuring proper fit performance and the safety of your Pro Comp equipped vehicle For this application a wheel not to exceed 7 in width with a maximum backspacing of 3 5 must be used Diameter of wheel may be any of the following 2 choices 15 or 16 Any other diameter either smaller or larger will not be endorsed as acceptable by Pro Comp Suspension and will void any and all warranties written or implied In addition a qual ity tire of radial design not to exceed 31 tall x 10 50 wide is recommended 2 Part 91 2058 91 2051 90 6029 13 20447 15 10966 90 6048 15 11252 90 2006 90 6036 70 0432501500 70 0371001800 73 04300030 73 03700034 73 06200030 72 043001005 12 72 03700100816 90 6375 91 1106 90 2052 Box 1 PN 55591 1 Description Front Lower Control Arm Rear Lower Control Arm Brakeline Hose Support Kit Hex Self Tap 1 4 14 x 3 8 Clamp 3 8 x 3 8 x 203 Hardware Pack Containing Bushing Red Sleeve 75 x 50 x 2
10. esponsibility for potential damages incurred as a result of their chosen modifications Warranty cover age does not include consumer opinions regarding ride comfort fitment and design Warranty claims can be made directly with Pro Comp or at any factory authorized Pro Comp dealer IMPORTANT To validate the warranty on this purchase please be sure to mail in the warranty card Claims not covered under warranty e Parts subject to normal wear this includes bushings bump stops ball joints tie rod ends and heim joints e Discontinued products at Pro Comp s discretion e Bent or dented product e Finish after 90 days e Leaf or coil springs used without proper bump stops e Light bulbs e Products with evident damage caused by abrasion or contact with other items e Damage caused as a result of not following recommendations or requirements called out in the installation manuals e Products used in applications other than listed in Pro Comp s catalog e Components or accessories used in conjunction with other manufacturer s systems e Tire amp Wheel Warranty as per Pro Competition Tire Company policy e Warranty claims without Proof of Purchase e Pro Comp Pro Runner coil over shocks are considered a serviceable shock with a one year warranty against leakage only Rebuild service and replacement parts will be available and sold separately by Pro Comp Contact Pro Comp for specific service charges e Pro Comp accepts no responsibility fo
11. r any altered product improper installation lack of or improper maintenance or improper use of our products E Mail tech explorerprocomp com PLACE Website www explorerprocomp com WARRANTY REGISTRATION Fax 619 216 1474 WARRANTY REGISTRATION Ph 619 216 1444 Do tw aoe 208 HERE
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