INSTALLATION INSTRUCTIONSCongratulations – your new Work-Rite load assists are quality products capable of improving the handling and

comfort of your vehicle while under load. As with all products, proper installation is the key to obtaining all of thebenefits your kit is capable of delivering. Please take a few minutes to read through the instructions to identify thecomponents and learn where and how they are used. It is a good idea to start by comparing the parts in your kit withthe parts list below.

NOTE: IF ANY PARTS ARE MISSING FROM THE KIT, PLEASE CALL 1-800-888-0650.PLEASE DO NOT CALL OR RETURN THE KIT TO THE DEALER.

Be sure to take all applicable safety precautions during the installation of the kit. The instructions listed in thisbrochure and the illustrations all show the left, or driver’s side of the vehicle. To install the right side assembly simplefollow the same procedures.

21-0000 08-10

WORK-RITE BUMPER 1261 4UPPER BRACKET 5708 2LOWER BRACKET 5092 21/2" BRACKET STRAP 5086 81" BRACKET STRAP 5093 2OPTIONAL SPACER 0013 4

3/8" LARGE FLAT WASHER 143/8" -16 x 3" CARRIAGE BOLT 83/8" -16 x 1-1/2" HEX BOLT 123/8" -16 FLANGED LOCK NUT 16

PARTS LIST

8630

STEP 1 - PREPARE THE VEHICLE

With the vehicle is on a solid level surface, chock the front wheels. This vehicle does not have to be raised up toinstall the kit. Remove the negative battery cable. This installation assumes that there is no load on the vehicle.

STEP 2 - PREASSEMBLE THE KIT

Select two Work-Rite bumpers and an upper bracket from your kit. Fasten the upper bracket to the Work-Ritebumpers using the 3/8" -16 x 1-1/2" hex bolts inserted into the bottom of the bumpers, through the top hole, and into theholes in the upper bracket. Secure with a flanged hex nut. See Figure "A".

STEP 3 - PREPARE THE FRAME

The frame rail on the driver's side of the vehicle will require the relocation of three items that will interfere with theupper bracket and air spring. This is accomplished by relocating the existing nuts, bolts, and clips on the frame rail thatfall between the upper bracket flanges.

1.) The emergency brake line clip will be moved toward the rear of the vehicle see Figure "B".2.) The plastic line harness located on the inside of the frame rail will be moved 2-1/4" toward the rear of the

vehicle. Two 3/8" holes will have to be drilled to relocate the line harness see Figure "B".3.) The ground strap bolt must be relocated to fall outside the upper bracket flanges see Figure "B". Please note

that the nuts, bolts and clips may be placed in various locations depending upon your specific model.

STEP 4 - ATTACH THE ASSEMBLY TO THE FRAME

The three existing slots in the frame rail will be used in addition to one hole drilled in the frame rail to attach the upperbracket. The slots will have to be enlarged to allow the bolts to pass through. Place the upper bracket on the outsideof the frame rail, aligning the holes in the bracket with the slots in the frame see Figure "A". Using the upper bracketas a template, mark the hole to be drilled in the frame rail with a center punch. Remove the upper bracket and drill ahole on the center mark using a 7/16" drill bit. Before drilling, make sure that all electrical, brake, and fuel linesare cleared from the path of the drill bit. Damaging the lines can be avoided by inserting a piece of wood betweenthe frame rail and any lines in the path of the drill bit.

BOLT PACK (A27-760-8630)

NOTE: On some later model trucks,the axle u-bolts may have to be trimmed

8630

99-07 ONLYFigure "B"

Figure "C"

5.5”

Figure "D"

Attach the upper bracket to the frame rail using thedrilled hole and a 3/8" -16 x 1-1/2" hex bolt, 3/8" -16flanged hex nut, and large washer, making sure that theremaining holes in the bracket are aligned with the slotsin the frame rail see Figure "A". With the upperbracket secured in place, drill through the three holes inthe upper bracket and through the slots in the frame railwith a 7/16" drill bit. Using the supplied 3/8" -16 x 3/4"hex bolts, 3/8" -16 flanged hex nuts, and large washers,attach the bracket to the frame rail. Note that threelarge washers will be placed between the forwardbracket flange and the frame rail on both flange attachinglocations on the left side of the vehicle only. Thisallows the air spring assembly to mount flush with theframe rail see Figure "A".

STEP 5 - ATTACH THE LOWER BRACKET TO THE VEHICLE

Place the lower bracket and air spring on the leafstack and install the 1/2" or 1" spacer between the lowerbracket and the leaf stack on the forward end of theassembly to align the upper and lower brackets as closeto parallel as possible see Figures "A" & "D". Insert

the carriage bolts through the square holes in the lower bracket. Slidethe bracket straps onto the carriage bolts to clamp the lower bracketto the leaf stack see Figures "A" & "D". Fasten the bracket strapto the carriage bolts using two 3/8"-16 flanged hex nuts. Note: thebracket strap will clamp around the overload springs only see Figures"A" & "E".

STEP 6 -INSTALL THE PASSENGER'S SIDE ASSEMBLY

Reverse any orientations when assembling and installing the right,or passenger's, side of the vehicle. Note that the installation on thepassenger's side does not require the flat washers between the upperbracket and the frame rail. The passenger's side installation will notrequire the relocation of any existing hardware on the frame rail.

STEP 7 - FINISH UP

This now completes the installation. Re-attach the negativebattery cable and remove the wheel chocks from the front wheels.Now you're finished and ready to put your Work-Rite’s to use.

Figure "E"

1/4”-3/8”

OPTIONALSPACER

OVERLOADLEAF STACK

PRIMARYLEAF STACK

ON MODELS WITH OVERLOAD SPRINGSCLAMP THE LOWER BRACKET

TO THE OVERLOAD SPRING ONLY.

Figure "F"

Do Not Return This Product to the Dealer or Distributor

If you are• missingparts,• experiencinginstallationproblems,or• havetechnicalconcernsregardingthisproduct,

you may contact a Firestone Technical Service Representative at rrtech@fsip.com or at 800-888-0650 (option 1, and then option 2). Representatives are available from 7:30 a.m. – 4:30 p.m. Eastern on Monday – Friday, excluding holidays. If you are located outside of the United States, you should first contact your distributor or dealer directly with any issues.

When contacting Technical Service, please have the kit or part # ready, along with the make, model, and year of the vehicle. You may also need to provide details, such as 2WD/4WD or if the vehicle has been lifted or lowered from stock height.

If you have a warranty concern, please include in your email a detailed description of the situation, a photo(s) of the issue, and your contact information, including ship-to address.

WARRANTY COVERAGE*— The Ride-Rite™ kits, components, and accessories are warranted against defects in workmanship and materials. This warranty does not cover service or labor charges, neglect…to the product.

PERIOD OF COVERAGE:• Ride-Rite air springs – Lifetime Limited • Work-Rite load assists – 2 Years Limited• Sport-Rite air springs – Lifetime Limited • Air-Rite accessories – 2 Years Limited• Coil-Rite air springs – Lifetime Limited • Brackets, hardware, fittings, air line, and other• Level-Rite air springs – Lifetime Limited components – 2 Years Limited

HOW TO MAKE A WARRANTY CLAIM — If you purchased your air springs in the U.S. or Canada and believe you have a part with a warrantable defect, call Firestone directly at 1-800-888-0650.

International customers should contact their distributors or dealers directly with any problems.

(*) Please refer to the “Firestone Limited Lifetime Air Spring Warranty” for details, terns, and conditions.

21-8387 01-13 NAD-37143-1

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