Installation Instructions
Contents
1. lower differential bolt 82 lb ft Now tighten the 9 16 passenger side differential bracket bolts and the 9 16 driver side upper differential bracket bolts 82 lb ft Reconnect the differential wiring and vent hose The additional length needed can be supplied by relocating the retaining clips for these items and or separating them from the wire looms FORM 3280 05 021805 PRINTED IN U S A PAGE 10 OF 18 17 m QU QU QU QU QU CONTROL ARM HUB ASSEMBLY Perform the following steps one side at a time Start with the driver side Knock out the plastic inserts in the slots of the upper control arm cam bolts Install the driver side rear U C A bracket 55 35 3280 on the rear leg of the upper control arm using the factory cam bolt Hand tighten only Using a floor jack raise the control arm hub assembly into position and insert the legs of the lower control arm into their new locations Insert the factory hardware and hand tighten Insert the front leg of the upper control arm into the 01 bracket and install the factory cam bolt Hand tighten With the jack applying upward pressure line up the 35 bracket flush against the flat plate on the frame where the compression travel snubber cup used to be NOTE The cam bolts in the upper control arm must be in the exact same adjustment position either all the way in or all the way out DIAGRAM 4 POSITIONING AND MOUNTING T2. x 1 1 4 bolt 8 7 16 nyloc nut 1 1 2 x 2 1 4 bolt 1 1 2 nyloc nut 1 9 16 x 4 1 2 bolt 1 9 16 nyloc nut 1 1 1 4 x 1 spacer sleeve 2 bushing half 1 3 4 x 3 sleeve 1 1 2 x 2 1 4 bolt 1 1 2 nyloc nut 1 9 16 x 4 1 2 bolt 1 9 16 nyloc nut 1 1 1 4 x 1 spacer sleeve 2 bushing half 1 3 4 x 3 sleeve 2 7 16 x 1 bolt 2 7 16 nyloc nut 4 1 2 x 2 1 4 bolt 4 1 2 stover nut FORM 3280 05 021805 PRINTED IN U S A upper shock hoop 006 passenger side upper shock hoop 006 driver side front skid plate optional differential skid plate optional 2 rear emergency brake cable drop bracket stock rear brake line bracket rear upper control arm brace driver side rear upper control arm brace passenger side 2 anti sway bar drop bracket 2 anti sway bar end link front Grease upon installation PAGE 4 OF 18 2 1 2 x 6 bolt 2 1 2 nyloc nut 2 3 4 x 1 sleeve 1 2 x 6 bolt 1 2 nyloc nut 9 16 x 4 bolt 9 16 nyloc nut 3 4 x 1 1 2 bolt 3 4 nyloc nut 1 1 2 x 6 bolt 1 1 2 nyloc nut 1 9 16 x 4 bolt 1 9 16 nyloc nut 1 3 4 x 1 1 2 bolt 1 3 4 nyloc nut 2 7 16 x 3 1 2 bolt 2 7 16 x 2 3 4
3. Hand tighten only Reinstall the torsion bar crossmember using the factory hardware and tighten to factory specifications Tighten all of the 7 16 bolts 37 lb ft Slide the torsion bars through the crossmember from the rear and into the lower control arms following the indexing marks made during removal Slide the bars forward enough to insert the torsion bar adjusting arms in the crossmember then slide the bars back into the arms Again follow the indexing marks made during removal Using the torsion bar puller tool load the torsion bars enough to insert the adjusting bolt and nut block in the crossmember then release the tension on the tool FRONT DRIVESHAFT NOTE If your truck is equipped with an Autotrac or push button full time capable transfer case purchasing a replacement front driveshaft is mandatory due to driveline vibrations caused by the factory front driveshaft when the truck is in fulltime four wheel drive mode This driveshaft is available separately from Superlift Trucks equipped with the standard part time lever operated transfer case do not need this replacement driveshaft as long as speeds in four wheel drive will not exceed 25 mph If a replacement driveshaft is not purchased proceed to step 26 Remove the rubber dust boot from the factory front driveshaft and discard the factory clamps Install the boot on the new driveshaft using the supplied clamp Slide the splined end of the driveshaft into the
4. Position the anti sway bar drop brackets 55 33 3280 against the frame according to the diagram and install the anti sway bar body in the factory position with the ends inverted or switched so that the sway bar body steps down instead of up Install and tighten the supplied 10mm x 60mm bolts 52 The end links shown will be installed in a later step CENTERLINK DIAGRAM 3 Install the factory centerlink in the Superlift centerlink 55 41 3280 using the provided 9 16 x 2 bolts and stover nuts and tighten 82 lb ft Note that the L shaped bends in the factory centerlink point toward the rear of the vehicle DIAGRAM 2 ANTI SWAY BAR ASSEMBLY Install the 55 33 3310 and 55 37 3280 components as shown 55 33 3310 i 7 16 washer SEED Sway SE rr bar ee washer ap D N x 60mm 55 37 3280 1 2 washer R P mae J bushing amp so SS Ps n a TAS 7 ONT ER EE AR SS bushing c 1 2 washer gt css N lower control arm 7 16 stover nut CD FORM 3280 05 021805 PRINTED IN U S A PAGE 8 OF 18 m 13 14 QU QU QU Attach the centerlink assembly to the idler and pitman arms using the factory hardware Note that the C S S tab the tab in the middle of the centerlink should face the front of the vehicle Tighten the factory hardware 46 lb ft DIAGRAM 3 ASSEMBLING THE CENTERLINK idler
5. or anything that contacts the wheel mounting surface hub rotor etc Installing wheels without the proper metal to metal contact at the wheel mounting surfaces can cause the lug nuts to loosen and the wheel to come off while the vehicle is in motion WARNING Retighten lug nuts at 500 miles after any wheel change or anytime the lug nuts are loosened Failure to do so could cause wheels to come off while vehicle is in motion CLEARANCE CHECK With the vehicle still on jack stands and the suspension hanging at full extension travel cycle steering lock to lock and check all components for proper operation and clearances Pay special attention to the clearance between the tires wheels and brake hoses wiring etc Check that the ball stud on the pitman arm clears the upper differential mount by a minimum of 1 8 If the stud does make contact verify the differential brackets have been installed properly It may be necessary loosen and adjust the differential and or grind off a little more of the ball stud to gain adequate clearance Lower vehicle to the floor DIAGRAM 10 Ride height adjustment ADJUSTING FRONT RIDE HEIGHT Manually bounce the front and rear of vehicle to normalize the torsion bars and leaf springs On each side fully tighten the LCA to crossmember bolts 156 DIAGRAM 10 Position the vehicle on a level surface Measure from the LCA front pivot bolt center down to the floor Record this
6. then remove the adjusting bolt and nut block Unload the bar slide the adjuster arms out of the crossmember then slide the torsion bars fowrard into the lower control arms NOTE Because of the extreme loads generated by the torsion bars on these vehicles a standard two jaw puller tool tends to bend the lips of the crossmember which it uses for attachment and may pop out of place We have had the best results using a C clamp type puller tool If one cannot be found locally this tool PN J 22517 C is available from the Kent Moore Tool Group in Roseville Michigan 800 345 2233 or 313 774 9500 3 TORSION BAR CROSSMEMBER Q Remove the two bolts that attach the crossmember to the frame and set the crossmember aside The stock crossmember mounting brackets which are riveted to the frame must be removed but this will be performed in a later step 4 BRAKE CALIPERS OU Unclip the brake hoses from the upper control arm OU Remove the two bolts securing the caliper to the knuckle Leave the brake hose attached to the caliper and using mechanic s wire hang the calipers out of the way Take precautions to ensure the brake hose isn t stretched or pinched LU Unplug the ABS wire from the connector located at the top of the frame rail and unclip the wire from the upper control arm 5 AXLESHAFTS OW Remove the six bolts that attach the axleshaft to the CV flange on the differential FORM 3280 05 021805 PRINTED IN U S A PA
7. 23 DIAGRAM 5 The kicker braces mount to existing bolt holes in the transmission crossmember close to each framerail Line up the end of the kicker with the appropriate hole in the transmission crossmember and after removing the factory bolt install the supplied 1 2 x 2 1 4 bolt 1 1 16 spacer sleeve and nyloc nuts Tighten 27 lb ft Tighten the 9 16 bolts until the bushings swell slightly BRAKE CALIPERS Reinstall the brake calipers using the original hardware and tighten to factory specs TIE ROD ENDS Reinstall the tie rod ends in the knuckles and tighten 33 Ib ft AXLE SHAFTS Reinstall the six bolts that retain the CV axle to the axle flange on the differential and tighten to factory specifications SWAY BAR Install the knock in grease fitting in the swivel end of the 55 37 3280 anti sway bar links DIAGRAM 2 Position the anti sway bar drop links 55 37 3280 so that the end with the ball stud similar to a tie rod end points upward and attach the ball stud end to the anti sway bar body using the supplied spacer bushings washers and nut as shown in the diagram Be sure to position the grease fitting so that it is easily accessible Insert the other end of the 37 link in the lower control arm at the factory location as shown with the supplied bushings 7 16 washers and 7 16 stover nut as shown Tighten the 7 16 nut until the Bushings DIAGRAM 6 MOUNTING THE MULTI SHOCK BRACK
8. arm pitman arm 55 41 3280 DIFFERENTIAL DROP BRACKETS Look at the passenger side differential drop bracket 55 1 0 factory steering 3280 Looking from the side of oer the bracket you will notice it has a taper in it the tall end of the taper should be positioned forward toward the front bumper while the short end of the taper should be positioned rearward toward the rear bumper In other words the mounting face for the differential should be more or less parallel with the ground Attach the 10 bracket to the factory passenger differential bracket using the original hardware Do not tighten at this time 55 04 3280 Install the driver side upper differential drop bracket 55 39 3280 using the supplied 9 16 x 4 bolts washer and nyloc nut The bracket should be installed so that the scalloped edge faces forward Do not tighten at this time With the help of an assistant raise the differential assembly into position and secure the driver side upper mount using the factory hardware Secure the passenger side of the differential to the 10 bracket using the two supplied 9 16 x 1 1 2 bolts four USS washers and stover nuts Do not tighten at this time FRONT UPPER CONTROL ARM BRACKETS The following steps are performed one side at a time Start with the driver side Loosely slide the driver side upper shock hoop 55 23 3280 inside the U C A frame mounts Install the d
9. transfer case and attach the other end to the differential using the factory U joint straps and bolts 19 lb ft Slide the rubber dust boot over the lip on the transfer case and secure the boot using the supplied clamp SKID PLATE NOTE The skid plate is purchased separately If a skid plate has not been purchased proceed to step 27 Install the differential skid plate 55 25 3280 on the rear crossmember using the two 7 16 x 3 1 2 bolts USS washers and nyloc nuts supplied Install the front skid plate 55 24 3280 over the front lip of the 24 plate and line up the mounting holes with the front crossmember Insert the two supplied 7 16 x 2 3 4 bolts USS washers and nyloc nuts then tighten all the skid plate mounting bolts 37 lb ft FORM 3280 05 021805 PRINTED IN U S A PAGE 15 OF 18 27 QU QU 28 REAR LIFT NOTE Rear lift is sold separately and includes separate instructions In addition to the instructions for the rear lift however perform the following Unbolt the rear compression travel stops from the frame Bolt the factory snubbers to the Superlift drop brackets 55 19 3280 using the supplied 7 16 D ANN N x 1 bolt and nyloc nut A N OLD LOCATION Attach the compression travel stop assembly to the original location on the frame using the factory hardware and tighten DIAGRAM 8 Unbolt the rear brake 4 4 x 1 bolts line bracket from the top of the frame NEW LOCAT
10. 05 021805 PRINTED IN U S A PAGE 2 OF 18 e Paint or undercoat all exposed metal surfaces e Prior to attaching components be sure all mating surfaces are free of grit grease undercoating etc e A factory service manual should be on hand for reference e Use the check off box Q found at each step to help you keep your place Two Q0 denotes that one check off box is for the driver side and one is for the passenger side Unless otherwise noted always start with the driver side PARTS LIST The part number is stamped into each part or printed on an adhesive label Identify each part and place the appropriate mounting hardware with it PART NO DESCRIPTION NEW ATTACHING HARDWARE Qty if more than one Quantity 55 01 3280 upper control arm bracket front 1 9 16 x 3 3 4 bolt driver side 2 9 16 USS washer 1 9 16 nyloc nut 1 7 16 x 1 tab bolt 1 7 16 nyloc nut 9 16 x 3 3 4 bolt 9 16 USS washer 55 02 3280 see upper control arm bracket front 1 2 1 9 16 nyloc nut 1 1 passenger side 7 16 x 1 tab bolt 7 16 nyloc nut 55 03 3280 5 2 lower control arm bracket 2 5 8 x 4 1 2 bolt front 4 5 8 USS washer 2 5 8 nyloc nut 55 04 3280 ee front crossmembet ceee 8 7 16 x 1 1 4 bolt 8 7 16 nyloc nut 7 16 x 1 1 2 bolt 7 16 x 2 bolt 55 95 3280 wee Es KS ER upper contr
11. 805 PRINTED IN U S A PAGE 18 OF 18 IMPORTANT PRODUCT USE INFORMATION As a general rule the taller a vehicle is the easier it will roll over Offset as much as possible what is lost in roll over resistance by increasing tire track width In other words go wide as you go tall Many sportsmen remove their mud tires after winter hunting season and install ones more appropriate for street driving always use as wide a tire and wheel combination as possible to enhance vehicle stability We strongly recommend because of roll over possibility that the vehicle be equipped with a functional roll bar and cage system Seat belts and shoulder harnesses should be worn at all times Avoid situations where a side rollover may occur Generally braking performances and capabilities are decreased when significantly larger heavier tires and wheels are used Take this into consideration while driving Do not add alter or fabricate any factory or aftermarket parts to increase vehicle height over the intended height of the Superlift product purchased Mixing component brands is not recommended Most states have some type of law limiting vehicle height The amount of lift allowed and how the lift may be achieved varies greatly Several states offer exemptions for farm or commercially registered vehicles It is the owner s responsibility to check state and local laws to ensure that their vehicle will be in compliance Superlift makes no cla
12. E BADGE AND WARNING DECAL The system includes one 2 x 5 name badge 0034 Additional and or larger badges are available from Superlift or a Superlift dealer We suggest putting the badges on the front fenders tailgate or rear window The badge mounts by means of factory applied double backed tape Follow these instructions to ensure that badge sticks properly Clean designated area with warm soapy water Rinse and wipe dry with a soft lint free towel Thoroughly prep the area with the furnished alcohol wipe pad and wipe dry with a soft lint free towel Do not touch the surface again with your hands they transfer body oils Remove mounting tape backing line up badge and press in place Do not touch mounting tape or allow tape to get dirty Press firmly on the badge face and hold a few seconds to seat mounting tape A superior adhesive bond forms over time We recommend allowing 24 hours of cure time before washing and waxing The emblem itself can be cleaned with any glass cleaner Install the WARNING TO DRIVER decal on the inside of the windshield or on the dash within driver s view Refer to the NOTICE TO DEALER AND VEHICLE OWNER section below ALIGNMENT Realign vehicle to factory specifications Record the ride height measurement at time of alignment If in the future the torsion bars settle excessively alignment can be restored by adjusting up the bars to their original ride height FORM 3280 05 021
13. ETS swell slightly Tighten the upper end 37 and lubricate the ball stud using a grease gun NOTE The swivel links must be serviced according to the routine Sar RAIL N fF maintenance schedule for the vehicle Failure to do so will result in premature wear of the links and unsatisfactory performance MULTI SHOCKS The following steps are performed one side ata time Start with the driver side FORM 3280 05 021805 PRINTED IN U S A PAGE 13 OF 18 QU QU QU QU QU QU QU QU QU QU 24 QU DIAGRAM 6 Position the lower shock mounting plate 55 21 3280 over the upper control arm so that the hole for the factory brake line bracket lines up with the existing hole in the front leg of the upper control arm see Diagram Install the lower shock mount brace 55 20 3280 under the 21 bracket and secure using the supplied 1 2 x 2 1 4 bolts and 1 2 stover nuts Hand tighten Install the supplied 3 4 x 1 1 2 bolt and 3 4 nyloc through the support leg of the shock hoop 55 23 3280 and the frame bracket for the factory shock Do not tighten at this time Install the bushings boots and stickers on the front shocks 85118 Following Diagram 6 install the shocks in the upper and lower mounting tabs of the shock brackets using the supplied 1 2 x 6 bolt and 1 2 nyloc These bolts should be installed from front to rear as shown Hand tighten the 1 2 bolt
14. FORM 3280 05 021805 PRINTED IN U S A PAGE 1 OF 18 SUPERLIFT SUSPENSION SYSTEMS 300 Huey Lenard Loop Rd West Monroe Louisiana 71292 Phone 318 397 3000 Sales Tech 1 800 551 4955 FAX 318 397 3040 www superlift com Superlift 6 lift system for 1999 and newer 1 2 TON CHEVROLET SILVERADO AND GMC SIERRA 4WD INSTALLATION INSTRUCTIONS INTRODUCTION Installation requires a professional mechanic Prior to beginning inspect the vehicles steering driveline and brake systems paying close attention to the suspension link arms and bushings anti sway bars and bushings tie rod ends pitman arm ball joints and wheel bearings Also check the steering sector to frame and all suspension to frame attaching points for stress cracks The overall vehicle must be in excellent working condition repair or replace all worn parts Read instructions several times before starting Be sure you have all needed parts and know where they install Read each step completely as you go NOTES e The rear lift is sold separately and includes separate instructions e Anew front driveshaft is required if the truck is equipped with an Autotrac transfer case refer to step 24 e A special tool is required to load unload the torsion bars step 2 Other special tools are recommended to detach attach the pitman idler studs Refer to the factory service manual e Front end realignment is necessary e This system utilizes the stock torsion bars
15. GE 6 OF 18 a 7 aa 8 aa 9 ag QU DIFFERENTIAL Disconnect the electrical plug and vacuum tube from the differential Position a jack underneath the differential housing and place just enough pressure on the jack to support the differential s weight Unbolt the driveshaft from the differential yoke and tie the driveshaft out of the way Retain all the factory hardware Remove and discard the factory rear crossmember Remove the driver side lower differential bolt and the two differential bolts of the driver side followed by driver side upper differential bolt Carefully lower the differential to the floor CENTERLINK Using the appropriate puller tool refer to the factory service manual remove the tie rod end from the knuckle Remove the nuts on the pitman and idler arms and using the appropriate puller tool remove the centerlink assembly Leave the tie rods attached to the centerlink and set the assembly aside Retain all the factory hardware SWAY BAR Loosen the threaded rod inside the tie rod end links and remove the bushings rod and tube Set these parts aside Unbolt the swaybar from the frame but retain all factory hardware CONTROL ARM HUB ASSEMBLY Remove and discard the front shocks Support the control arm assembly with a jack With the help of an assistant remove the bolts that hold the lower control arms to the frame followed by the cam bolts for the upper control arms th
16. HE 55 35 3280 AND 55 27 3280 BRACKETS DRIVER SIDE FRAME RAIL 55 27 3280 spacer a 4 7 16 x 1 1 2 bolts E ENS factory compression g 55 35 3280 travel stop 7 16 x 1 1 4 bolt DIAGRAM 4 Drop a plumb bob from the original cam pin hole on the rear U C A frame bracket The cam pin on the 35 bracket must line up with the plumb bob After making the necessary adjustments to the location of the 35 bracket scribe marks for the three holes on the faceplate and one hole on the backside of the bracket FORM 3280 05 021805 PRINTED IN U S A PAGE 11 OF 18 Ou Ou QU QU QU QU QU QU 18 QU IMPORTANT The vehicle must be level when following the plumb bob procedure The original cam pin holes and the cam pins in the 35 bracket must line up perfectly using the procedure described above If they are misaligned it will be difficult to obtain proper front end alignment after the installation is complete Remove the cam bolt holding the front U C A leg in place and lower the assembly down with a jack Use a 15 32 bit to drill out the four holes for the 35 bracket Insert the 1 thick spacer between the factory frame bracket and the rear leg of the 35 bracket Loosely install the provided 7 16 x 2 bolt through the rear leg of the 35 bracket the spacer and the frame bracket as shown in the exploded view of Diagram 4 Do not tighten at this time
17. ION and carefully bend the factory steel brake line so that the bracket will reach the bottom of the frame as shown Use the bracket as a template to mark the location of the two mounting holes then slide the bracket aside and drill out the mark using a 1 4 bit Attach the brake line bracket using the supplied 1 4 x 1 bolts and nyloc nuts and tighten 8 lb ft Verify the steel brake line does not touch or interfere with any other components Remove the factory emergency brake cable brackets from the frame and attach the 55 26 3280 DIAGRAM 9 LUG NUT TORQUE brackets to the frame using the factory hardware SEQUENCE Use the sequence Attach the factory cable brackets to the 26 shown to torque the lug nuts brackets using the two supplied 3 8 x 1 bolts and nyloc nuts Tighten 23 lb ft WARNING The vehicle is equipped with short cast spacer blocks located between the leaf springs and the axlehousing These factory blocks must be retained because they seat properly against the axle mounts the Superlift spacer blocks do not When using Superlift blocks install them on top of the factory blocks TIRES WHEELS DIAGRAM 9 Tighten the lug nuts 85 Ib ft in the sequence shown FORM 3280 05 021805 PRINTED IN U S A PAGE 16 OF 18 29 30 QU Ou QU WARNING When the tires wheels are installed always check for and remove any corrosion dirt or foreign material on the wheel mounting surface
18. Position the upper control arm brace 55 27 3280 over the 35 bracket as shown in Diagram 3 Install the two supplied 7 16 x 1 1 2 bolts through the 35 and 27 bracket followed by the remaining 7 16 x 1 1 4 bolt Do not tighten at this time If not alreay in position install the driver side shock hoop 55 23 3280 in the original upper control arm frame mounts Install the supplied 9 16 x 4 bolt through the 27 bracket and the rear leg of the upper shock hoop Do not tighten at this time Tighten the 7 16 bolts for the 35 and 27 brackets 37 lb ft Raise the jack and reinstall the upper control arm into the 01 and 35 brackets using the factory cam bolts Snug the bolts for now Repeat these steps of the passenger side using the 55 34 3280 and 55 28 3280 brackets KICKER BRACES NOTE The kicker braces DIAGRAM 5 MOUNTING THE are sold separately with this KICKER BRACES suspension system If kicker braces have not been purchased proceed to step 19 Install the appropriate bushing halves and sleeves into the back of the rear crossmember Mount the kicker braces 55 17 3280 driver side and 55 18 3280 passenger side to the crossmember using the provided 9 16 x 4 1 2 bolts and nyloc nuts Do not tighten at this time FORM 3280 05 021805 PRINTED IN U S A PAGE 12 OF 18 QU QU 19 QU 20 OO 21 ala 22 ala QU QU QU
19. as Measurement A A CENTERLINE OF LCA PIVOT BOLT TO FLOOR Now measure from the inside edge ES of the knuckle at the lower ball RR EEN ke EEROR joint boss down to the floor Record this as Measurement B Subtract Measurement B from A for the ride height figure Minimum ride height is 4 3 maximum is 4 8 Ideal ride height is somewhere in between Raise height by tightening the torsion bar adjusting bolt lower height by loosening the bolt It will be necessary to bounce the front of the vehicle every 1 2 turns of the adjusting bolt to reset the torsion bars This will ensure accurate adjustments Adjust height 3 8 to 1 2 above the final desired ride height since the bars will settle slightly after the vehicle is driven FORM 3280 05 021805 PRINTED IN U S A PAGE 17 OF 18 31 32 33 34 35 NOTE Exceeding the stated minimum or maximum heights will cause the suspension to continually top out or bottom out This results in a harsh ride accelerated suspension component wear and possibly component failure FINAL CLEARANCE and TORQUE CHECK With vehicle on floor cycle steering lock to lock and inspect the tires wheels and the steering Suspension and brake systems for proper operation tightness and adequate clearance Activate four wheel drive system and check front hubs for engagement HEADLIGHTS Readjust headlights to proper setting SUPERLIFT NAM
20. bolt 4 7 16 USS washers 4 7 16 nyloc nut 2 3 8 x 1 bolt 2 3 8 nyloc nut 2 1 4 x 1 bolt 2 1 4 nyloc nut 4 10mm x 60mm allen head bolt 4 1 2 SAE flat washer 4 7 16 SAE flat washer 2 7 16 stover nut 4 bushing half 2 spacer sleeve 4 shock boot yellow 4 hardware pack and cable tie FORM 3280 05 021805 PRINTED IN U S A PAGE 5 OF 18 BEER SE N Ee 2 shock absorber rear 2 shock boot yellow 2 hardware pack and cable tie DOSS ss se se ieee Superlift badge iese ese alcohol wipe pad OO4GT ee ees ee ee decal Warning To Driver FRONT DISASSEMBLY 1 PREPARE VEHICLE OU Place vehicle in neutral Raise the front of vehicle with a jack and secure a jack stand beneath each frame rail behind the lower control arms Ease the frame down onto the stands place transmission in low gear or park and chock the rear tires Remove the front tires 2 UNLOADING THE TORSION BARS WARNING Be extremely careful when loading and unloading the torsion bars there is a tremendous amount of energy stored in them Keep your hands and body clear of the adjuster arm assembly and the puller tool in case anything slips or breaks OU Mark the torsion bars to indicate their indexing in relation to the lower control arms and adjusting arms OU A special torsion bar puller tool is required to unload the torsion bars Use the tool to load the torsion bar
21. earing the Superlift LKI Ent name are warranted for as long as the original purchaser owns the vehicle that the LKI product was originally installed on This warranty is non transferable Warranty covers only the product no labor time loss or freight incurred Any product that has been abused altered incorrectly installed or used in competition is not covered Product finish spring bushings Polyurethane products and normal wear is not covered The LKI product is subject to replacement or repair No other warranties are expressed or implied An authorized Superlift dealer must inspect the part in question and confirm that the Warning to Driver decal is properly displayed A copy of the sales invoice is required for warranty consideration
22. en carefully lower the assembly to the floor DIAGRAM 1 Trim the driver side lower differential RN A a E DRIVER SIDE DRIVER SIDE FRAME RAIL FRAME RAIL S EE cut along jo dotted line WE factory lower SSS control arm bracket FORM 3280 05 021805 10 m QU QU QU QU 11 m 12 TRIMMING THE FRAME PRINTED IN U S A PAGE 7 OF 18 DIAGRAM 1 Cut the driver side lower differential mount using a torch or similar tool following Diagram 1 Remove the rubber compression travel stops from the cups on the underside of the rear U C A frame mount Grind or cut the cups for these travel stops until the underside of the U C A bracket is flat Grind the front and rear edges of the extension travel stops located under the front U C A frame brackets until the edges are flush with the sides of the U C A frame brackets Using a small ball peen hammer knock out the factory cam alignment pins in the U C A frame brackets The pins come out easily if they are knocked side to side Grind 1 4 off the tip of the ball stud on the pitman arm to gain clearance between the stud and the differential The stock mounting brackets for the torsion bar crossmember are attached to the frame with rivets Using a or cold chisel or an air chisel only remove the rivets and set the brackets aside The brackets will be reused so take precautions not to damage them ASSEMBLY ANTI SWAY BAR DIAGRAM 2
23. ims regarding lifting devices and excludes any and all implied claims Superlift will not be responsible for any altered product or any improper installation or use of our products We will be happy to answer any questions concerning the design function and correct use of our products IMPORTANT MAINTENANCE INFORMATION It is the ultimate buyer s responsibility to have all bolts nuts checked for tightness after the first 100 miles and then every 1000 miles The steering suspension and driveline systems along with wheel alignment should be inspected by a qualified professional mechanic at least every 3000 miles NOTICE TO DEALER AND VEHICLE OWNER Any vehicle equipped with a Superlift lifting device must have the enclosed Warning to Driver decal installed on the inside of the windshield or on the vehicle s dash within driver s view The Warning to Driver decal is to act as a constant safety reminder for whoever may be operating the vehicle The WARRANTY IS VOID unless this decal is in place INSTALLING DEALER It is your responsibility to install warning decal and forward these installation instructions to the vehicle owner for review of warnings product use and maintenance information Replacement warning decals are available free upon request These instructions are to be kept with the vehicle registration papers and owners manual for the service life of the vehicle SUPERLIFT LIMITED LIFETIME WARRANTY Suspension products b
24. me Position the front crossmember between the 03 brackets so that the tab for the C S S link is facing the rear refer to Diagram 3 and attach the crossmember to the 03 brackets using the provided 7 16 x 1 1 4 bolts and nyloc nuts Do not tighten at this time Slide the C S S link into the mounting tab on the centerlink Insert the supplied 9 16 x 3 bolt USS washer and stover nut and tighten both ends of the C S S link until the bushings swell slightly Tighten the 7 16 bolts for the front crossmember 37 lb ft Tighten the 5 8 bolts for the 03 brackets 112 lb ft REAR LOWER CONTROL ARM BRACKETS CROSSMEMBER Install the driver and passenger rear L C A brackets 55 07 3280 and 55 08 3280 using the supplied 5 8 x 5 1 2 bolts washers and nyloc nuts Do not tighten at this time Position the rear crossmember 55 11 3280 so that the tab on the crossmember lines up with the lower differential mount on the driver side Insert the supplied 9 16 x 3 1 2 bolt and washer through the hole the the rear L C A bracket and the differential mount then thread this bolt into the welded nut on the crossmember Do not tighten at this time Adjust the rear crossmember so it can be attached to the 07 and 08 brackets using the provided 7 16 x 1 1 4 bolts and nyloc nuts and tighten 37 lb ft Tighten the 5 8 bolts for the 07 and 08 brackets 112 lb ft Tighten the 9 16
25. ol arm bracket 2 1 1 7 16 x 1 1 4 bolt 4 1 rear driver side 7 16 nyloc nut 3 4 x 1 spacer sleeve 7 16 x 1 1 2 bolt 7 16 x 2 bolt 55 34 3280 upper control arm bracket 2 1 1 7 16 x 1 1 4 bolt 4 1 rear passenger side 7 16 nyloc nut 3 4 x 1 spacer sleeve 55 07 3200 EEN lower control arm bracket 1 5 8 x 5 1 2 bolt rear driver side 2 5 8 USS washer 1 5 8 nyloc nut 1 9 16 x 3 1 2 bolt FORM 3280 05 021805 PRINTED IN U S A lower control arm bracket rear passenger side differential drop bracket upper driver side differential drop bracket passenger side torsion bar drop bracket driver side torsion bar drop bracket passenger side driver side kicker brace optional passenger side kicker brace optional PAGE 3 OF 18 1 5 8 x 5 1 2 bolt 2 5 8 USS washer 1 5 8 nyloc nut 1 9 16 x 4 bolt 1 9 16 nyloc nut 2 9 16 x 1 1 2 bolt 4 USS washer 2 9 16 nyloc nut 4 7 16 x 1 1 4 bolt 4 7 16 nyloc nut 2 9 16 x 2 bolt 2 9 16 stover nut 2 9 16 x 3 bolt 2 9 16 USS washer 2 9 16 stover nut 4 bushing half 2 3 4 x 1 3 4 sleeve 8 7 16 x 1 1 4 bolt 8 7 16 nyloc nut 8 7 16
26. river side front U C A bracket 55 01 3280 using the supplied 9 16 x 3 3 4 bolt and nyloc nut Rest the inner plate of the 01 bracket against the bottom of the frame In some cases there is a 7 16 hole already present in the frame that lines up with the hole in the 01 bracket If not mark the location of the hole in the 01 bracket on the frame remove the bracket and use a 15 32 bit to drill out the marked location FORM 3280 05 021805 PRINTED IN U S A PAGE 9 OF 18 OU Re mount the 01 bracket and install the supplied 7 16 x 1 tab bolt through the through the 15 drilled hole and bracket Install the 7 16 nyloc nut and tighten 37 Ib ft Now tighten the 9 16 bolt 82 lb ft Repeat these steps on the passenger side for the 02 and 22 brackets FRONT LOWER CONTROL ARM BRACKETS CROSSMEMBER Install the driver and passenger front L C A brackets 55 03 3280 in the factory frame mounts using the supplied 5 8 x 4 1 2 bolts 5 8 USS washers and nyloc nuts These bolts should be installed from the rear Do not tighten at this time Locate the supplied bushings and sleeves for the C S S link 55 13 3280 and lubricate them with a silicon based grease then install the bushings and sleeves in the link Install the C S S link 55 13 3280 on the front crossmember 55 04 3280 using the provided 9 16 x 3 bolt USS washer and stover nut Do not tighten at this ti
27. s for now Tighten the two 9 16 bolts 82 lb ft and the 3 4 bolt 200 lb ft for the upper shock hoop Reattach the factory brake line bracket to the front leg of the upper control arm using the factory bolt Also reinstall the small factory bolt in the rear leg of the upper control arm Tighten until snug but do not overtighten Reattach the factory retaining clips for the ABS wire and plug the wire back into the connector at the top of the framerail Tighten the 1 2 mounting bolts for the 20 and 21 brackets 57 lb ft Tighten the 1 2 x 6 bolts for the shocks until the bushings swell slightly Repeat these steps for the passenger side TORSION BAR DROP BACKETS DIAGRAM 7 MOUNTING THE TORSION Install the factory BAR DROP BRACKETS torsion bar crossmember mounts in the Superlift torsion bar drop brackets 55 15 3280 driver side and 55 16 3280 passenger side using the supplied 7 16 x 1 1 4 bolts and 7 16 nuts as shown Hand tighten 55 16 3280 I b aly ee del er n SERONT SA FORM 3280 05 021805 PRINTED IN U S A PAGE 14 OF 18 QU QU QU QU QU QU 25 26 Attach the torsion bar drop brackets to the side of the frame as shown in Diagram 7 using the four original holes for the crossmember mounts and the six 7 16 x 1 1 4 bolts provided Note the pointed end of the 15 and 16 brackets should be positioned toward the front bumper
28. which normally yield the best ride quality But if the final product ride and handling seem too soft heavier Gross Vehicle Weight Rating GVWR bars can be installed Generally heavier torsion bars are only needed to compensate for the extra weight of a winch or snowplow or when the truck is subjected to extreme off road use Also wider tires and wheels proportionally increase the leverage on the bars which results in lower ride height and a spongier ride GM offers torsion bars with various rates that are heavier than stock Your vehicle s existing torsion bar rate can be identified by a 3 letter code stamped into the bars ends The code is also on an adhesive tag wrapped around the bars e An arrow on diagrams indicates which direction is toward the front of the vehicle e A foot pound torque reading is given in parenthesis after each appropriate fastener e Do not fabricate any components to gain additional suspension height e Prior to drilling or cutting check behind the surface being worked on for any wires lines or hoses that could be damaged e After drilling file smooth any burrs and sharp edges e Prior to operating a torch or saw protect any heat sensitive components located in the immediate area by covering them with a water saturated cloth Most undercoating are flammable but can be extinguished using a water filled spray bottle Have a spray bottle and an ABC rated fire extinguisher on hand FORM 3280
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