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Instructions

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2. 2 to easily apply a pressure gauge or an air chuck Figure 9 Push the inflation valve through the hole and use the rubber washer EE flat washer DD and another 16 nut GG to secure it in place Tighten the nuts to secure the assembly in place Figure 9 Route the air line along the frame to the air fitting on the air spring Keep at least 6 of clearance between the air line and heat sources such as the exhaust pipes muffler or catalytic converter Avoid sharp bends and edges Use the plastic tie straps BB to secure the air line to fixed non moving points along the chassis Be sure that the tie straps are tight but do not pinch the air line Leave at least 2 of slack to allow for any movement that might pull on the air line Cut off air line leaving approximately 12 of extra air line A clean square cut will ensure against leaks Insert the air line into the air fitting This is a push to connect fitting Simply push the air line into the 90 swivel fitting until it bottoms out 16 of air line should be in the fitting Install the minimum maximum air pressure decal in a highly visible location We suggest placing it on the driver s side window just above the door handle Technical Support 1 800 248 0892 X Checking for Leaks 1 2 Inflate the air spring to 30 p s i Spray all connections and the inflation valves with a solution of s liquid dish soap and 4 s w
3. a fully inflated air spring Figure 3 Il Raising the Vehicle Figure 3 1 Raise the vehicle and remove the wheels 2 Check the distance between the center of the hub and the bottom edge of the wheel to ensure that it is at the normal ride height recorded above If not raise the frame or lower the axle as necessary to restore the original distance a Ifthe vehicle is raised with an axle contact hoist place axle stands under the frame and lower the axle as needed b Ifthe vehicle is raised with a frame contact hoist place axle stands under the axle and lower the frame as needed c If the vehicle is raised with a jack and supported with axle stands on the frame use a floor jack to lower the axle Technical Support 1 800 248 0892 lll Assembling the Installation Tool 1 2 3 The tool provided with this kit will assist in proper setup and alignment of the air spring and will also position the upper bracket for drilling the bolt holes The tool attaches to the upper and lower bracket and is rigid so that it will self align the upper bracket The threaded section of the upper part of the tool ensures that the air spring can only be mounted at the correct height The air spring will work throughout the entire threaded range on the tool This kit will mount behind the axle Secure the upper bracket B to the installation tool D using the provided nylon nut F Figure 4 Loosely attach
4. pressure from the system as necessary to attain Normal Ride Height for optimal ride and handling Remember that loads carried behind the axle including tongue loads require more leveling force pressure than those carried directly over the axle 5 IMPORTANT For your safety and to prevent possible damage to your vehicle do not exceed maximum Gross Vehicle Weight Rating GVWR as indicated by the vehicle manufacturer Although your air springs are rated at a maximum inflation pressure of 100 p s i The air pressure actually needed is dependant on your load and GVWR which may be less than 100 p s i Check your vehicle owners manual and do not exceed the maximum load listed for your vehicle 6 Always add air to springs in small quantities checking the pressure frequently Sleeves require less air volume than a tire and inflate quickly 7 Should it become necessary to raise the vehicle by the frame make sure the system is at minimum pressure 5 p s i to reduce the tension on the suspension brake components Use of on board leveling systems do not require deflation or disconnection Thank you for purchasing Air Lift Products Mailing Address Street Address AIR LIFT COMPANY AIR LIFT COMPANY P O Box 80167 2727 Snow Rd Lansing MI 48908 0167 Lansing MI 48917 Local Phone 517 322 2144 Fax 517 322 0240 For Technical Assistance call 1 800 248 0892 The Choice of the Professional Installer Printed in the USA
5. E by MN 495 RideCONTROL Kit N O 5955 1 www airliftcompany com Please read these instructions completely before proceeding with installation Parts List Item P N Description Quantity 58571 Air Spring 2 07940 Upper Bracket 03616 Lower Bracket 10622 Installation Tool 21837 Air Fitting 18454 3 4 Nylon Nut 17124 2 13 x 7 8 Bolt 18414 2 Flat Washer SAE 01426 Clamp Bar 10583 9 8 x 3 5 x 4 5 U bolt 18435 3 s Nyloc Nut 18444 s Flat Washer SAE 18447 s Large Flat Washer 17243 8 Washer Head Bolt 17129 s x 1 Self Tapper AA 20086su Air Line Assembly BB 10466 Tie Strap CC 21230 Valve Cap DD 18405 16 Flat Washer EE 21234 Rubber Washer FF 18411 Star Washer GG 21233 16 Hex Nut OZEZ7 AlSCT TO MAMVIOAS FNMUNMUNNDHA HA NNFANNNNNNHDN PD IMPORTANT This kits mounts behind the axle Figure 1 shows the installation for the driver side only Refer to Figure 7 for the passenger side installation Technical Support 1 800 248 0892 Tools Needed The 16 open end or box wrenches Hose Cutter Razor Blade or Sharp Knife Crescent Wrench Hoist or Floor Jacks Ratchet with e 9 16 and 2 deep well sockets Safety Stands 3 3 and 16 drill bits very sharp Safety Glasses 3 s Nut Driver Air Compressor or Compressed Air Source Heavy Duty Drill Spray Bottle with Dish S
6. ater to check for leaks You should be able to spot leaks easily by looking for bubbles in the soapy water After the test deflate the springs to the minimum pressure required to restore the Normal Ride Height but not less than 5 p s i IMPORTANT Check the air pressure again after 24 hours A 2 to 4 p s i loss after initial installation is normal Retest for leaks if the loss is more than 5 Ibs XI Fixing Leaks 1 2 3 XII If there is a problem with the swivel fitting then a Check the air line connection by deflating the spring and removing the line by pulling the collar against the fitting and pulling firmly on the air line Trim 1 off the end of the air line Be sure the cut is clean and square Reinsert the air line into the push to connect fitting b Check the threaded connection by tightening the swivel fitting another 2 turn If it still leaks deflate the air spring remove the fitting and re coat the threads with thread sealant Reinstall by hand tightening as much as possible then use a wrench for an additional two turns If there is a problem with the inflation valve then a Check the valve core by tightening it with a valve core tool b Check the air line connection by removing the air line from the barbed type fitting CAUTION Do not cut it off As this will usually nick the barb and render the fitting useless Cut air line off a few inches in front of the fitting and use a pair of pliers
7. g the Upper Bracket Q IMPORTANT Please read this entire section completely before drilling any holes 1 CAUTION Before drilling check the back side of the frame for clearance issues such as brake lines gas lines electrical lines etc All obstacles need to be temporarily relocated to clear the area 2 DRIVER SIDE INSTALLATION a Center punch the lower rear hole and drill a s hole through the frame Figure 7 b Loosely install a 3 washer head bolt N a large flat washer M and nylock nut K Center punch the forward lower hole and drill a e hole through the frame d Remove the tool by removing the bolt securing the tool to the lower bracket Swing the bracket up and remove the nylon nut on the top of the upper bracket Remove the tool Save the hardware as it will be reused to mount the air spring e Replace the upper bracket to the mounting location and secure at the forward lower mounting hole location using e washer head bolt N large flat washer M and nylock nut K as shown in Figure 1 f Center punch and drill a 16 hole for the forward upper hole and install a s self tapper O Tighten to 16 ft lbs Figure 1 g Drill the remaining hole out to a s diameter and install a s washer head bolt N a large flat washer M and a nyloc nut K 3 PASSENGER SIDE INSTALLATION Install the passenger side assembly in the same manner with
8. oap Water Solution Torque Wrench IMPORTANT Your vehicle may be equipped with a rear brake proportioning valve Any type of load assist product could affect brake performance We recommend that you check with your dealer before installing this type of product If your vehicle DOES NOT have a rear brake proportioning valve or is equipped with an anti lock type brake system installation of a load assist product will have NO EFFECT ON BRAKE SYSTEM PERFORMANCE I Getting Started NOTE The measurement N from one end of the arrow to 3 1 Determine the Normal Ride Height The Normal Ride Height is eHe me Nonna x the distance between the bottom edge of the wheel well and the center of the hub with the vehicle in the as delivered condition In some cases Normal Ride Height is not perfectly level a Remove unusual loads and examine your vehicle from the side to ensure it is on a level surface b If necessary in cases where your leaf springs are sagging badly use a jack to raise the rear end so that the vehicle achieves the original as delivered ride height 2 Measure the distance between the center of the hub and the bottom edge of the wheel well Figure 2 This is the Normal Ride Height Enter the measurement below Figure 2 6 NORMAL RIDE HEIGHT _ inches 3 Measure the distance between the frame and the tire This kit requires a minimum of 6 of clearance for
9. or vise grips to pull twist the air line off the fitting If the preceding steps have not resolved the problem call Air Lift Technical Service at 1 800 248 0892 for assistance Troubleshooting Guide Problems maintaining air pressure without on board compressor Ar Leak test the air line connections and threaded connection of the elbow into the air spring See Section XI to repair Leak test the inflation valve for leaks at the air line connection or dirt or debris in the valve core See Section XI to repair Inspect air lines to be sure it is not pinched Tie straps may be too tight Loosen or replace strap Replace leaking components Inspect air line for holes and cracks Replace as needed Akink or fold in the air line Reroute as needed Technical Support 1 800 248 0892 XIII Checklist You can protect your warranty on this product and prevent unnecessary wear by ensuring the following checks have been made Section Installation To be completed by the installer O 1 Clearance Test Inflate the air springs to 60 p s i and ensure there is at least 2 clearance around each sleeve from anything that might rub against them Be sure to check the tire brake drum frame shock absorbers and brake cables L 2 Leak Test Before Road Test Inflate the air springs to 60 p s i check all connections for leaks with a soapy water solution See page 6 of the manual for tips on how to
10. spot leaks All leaks must be eliminated before the vehicle is road tested O 3 Heat Test Be sure there is sufficient clearance from heat sources at least 6 for air springs and air lines If a heat shield was included in the kit install it If there is no heat shield but one is required call 1 800 248 0892 T 4 Fastener Test Recheck all bolts for proper torque Torque Guide 3 3 Frame Bolts 16 ft lbs U bolt Lock Nuts 16 ft lbs O 5 Road Test The vehicle should be road tested after the preceding tests Inflate the springs to 25 p s i 50 p s i if vehicle is loaded Drive the vehicle 10 miles and recheck for clearance loose fasteners and or air leaks O 6 Operating Instructions If professionally installed the installer should review the operating instructions on page 8 with the owner Be sure to provide the owner with all of the paperwork that came with the kit Section II Post Installation Checklist To be completed by the owner c 1 Overnight Leakdown Test Recheck air pressure after vehicle has been used for 24 hours If pressure has dropped more than 5 p s i then you have a leak that must be fixed Either fix the leak yourself see page 6 or return to the installer for service 2 Air Pressure Requirements understand that the air pressure requirements of my air spring system are as follows Minimum Maximum also understand that must inflate the air springs until
11. the Ride Height measurement that was recorded on page 2 has been restored Regardless of load the air pressure should always be adjusted so that the Ride Height is maintained at all times C 3 Thirty Day or 500 Mile Test understand that must recheck the air spring system after 30 days or 500 miles whichever comes first If any part shows signs of rubbing or abrasion the source should be identified and moved if possible If it is not possible to relocate the cause of the abrasion the air spring may need to be remounted If professionally installed the installer should be consulted Check all fasteners for tightness Technical Support 1 800 248 0892 XIV Maintenance and Operations Minimum Air Pressure Maximum Air Pressure Failure to maintain correct minimum pressure or pressure proportional to load bottoming out over extension or rubbing against another component will void the warranty By following these steps vehicle owners will obtain the longest life and best results from their air springs 1 Check the air pressure weekly 2 Always maintain Normal Ride Height Never inflate beyond 100 p s i 3 If you develop an air leak in the system use a soapy water solution to check all air line connections and the inflation valve core before deflating and removing the air spring see page 6 4 When increasing load always adjust the air pressure to maintain the Normal Ride Height Increase or decrease
12. the exception to the forward upper hole location Drill this hole to a s diameter and install a s washer head bolt N a large flat washer M and a nyloc nut K No self tapper is used on the passenger side Refer to Figure 7 VII Installing the Air Spring 1 Install 90 degree air swivel fitting E to the top of the air spring A Figure 1 Use a 7 6 open end wrench being careful to tighten on the metal hex nut only Tighten 1 2 turns Do not over tighten NOTE This fitting is precoated with sealant 2 Guide the fitting through the center mounting hole in the upper bracket Figure 1 3 Attach the air spring to the lower bracket using flat washer H and bolt G Carefully hand turn the air spring onto the lower mounting bolt Leave loose for later adjustment 4 Loosely install nylon nut F over the air fitting and onto the upper threadpost of the air spring Figure 1 Technical Support 1 800 248 0892 VIII Aligning the Air Spring i IX Installing the Air Lines Use the slotted adjustment in the lower bracket to correctly align Tighten the lower mounting bolt with a s wrench Hand tight Tighten the nylon nut to 4 ft lbs Vehicle body Air Line to Repeat entire installation procedure for other side IMPORTANT With the bottom and top of the air spring still loose inflate the air spring to approximately 10 p s i the air spring between the upper and lower bracke
13. the tool to the lower bracket C using 1 2 flat washer H and 2 bolt G Refer to Figure 4 Leave loose for adjustment IV Attaching the Lower Bracket 1 2 Set the assembly on the leaf spring behind the axle With the hook end of the lower bracket placed over the edge of the spring retaining plate Figure 5 secure the lower bracket to the leaf spring with the provided U bolt J clamp bar I flat washers L and lock nuts K Torque to 16 ft lbs NOTE The bracket will pull down flat to the leaf spring when the lock nuts are tightened The air spring will expand to 5 1 in diameter at maximum inflation pressure Check horizontally along the shaft of the installation tool for sufficient clearance of 2 50 all around the tool Figure 6 Positioning the Upper Bracket Using the slot in the lower bracket push the upper bracket against the frame rail Use the two nylon nuts on the threaded portion of the tool to adjust the upper bracket so that the legs are flat against the frame rail and all four holes are in the middle section of the frame The mounting holes must not fall on the rounded edges of the frame rail and at least 1 5 must be left above the top of the upper bracket for air fitting clearance Technical Support 1 800 248 0892 Flange Down Installation Tool 1 2 HHCS Figure 4 Figure 6 Passenger Side VI Attachin
14. ts This can be accomplished by lightly tapping it inboard or outboard for proper alignment There should be a symmetrical cushion of air around the base of the air spring when correctly positioned Figure 8 is sufficient Do not attempt to hold the air spring with any type of t l Figure 8 Bellows Choose a convenient location for mounting the inflation valves Popular locations for the inflation valve are the wheel well flanges the license plate recess in bumper under the gas cap access door or through license plate itself NOTE What ever the chosen location is make sure there is enough clearance around the inflation valves for an air chuck Figure 9 Drill a 5 16 hole to install the inflation valves Cut the air line assembly AA in two equal lengths CAUTION When cutting or trimming the air line use a hose cutter a razor blade or a sharp knife A clean square cut will ensure against leaks Do not use wire cutters or scissors to cut the air line These tools may flatten or crimp the air line causing it to leak around the O ring seal inside the elbow fitting Place a 16 nut GG and a star washer FF on the air valve Leave enough of the inflation valve in front of the nut to extend through the hole and have room for the rubber washer EE flat washer DD and 9 16 nut GG and cap CC There should be enough valve exposed after installation approximately

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