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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 [email protected] 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
FIR
ES
TO
NE L
IMIT
ED
LIF
ETIM
E A
IR S
PR
ING
WA
RR
AN
TY
Fire
ston
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dust
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Pro
duct
s Com
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ires
tone
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arra
nts
that
its
Rid
e Rite
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prin
g Ass
embl
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ill p
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rm
acco
rdin
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the
man
ufac
ture
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spec
ifica
tion
s fo
r as
long
as
the
vehi
cle
on w
hich
the
sys
tem
was
origi
nally
inst
alle
d is
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ned
by t
he o
rigi
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etai
l pur
chas
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s lim
ited
war
rant
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plac
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War
rant
y Pe
riod
The
Air S
prin
g is
war
rant
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or a
s lo
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s th
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urch
aser
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he v
ehic
le o
n w
hich
it w
as o
rigi
nally
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led.
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e fa
sten
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and
uppe
r an
d lo
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bra
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s w
hich
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ny t
he a
ir s
prin
g ar
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arra
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d of
tw
enty
-fou
r (2
4) m
onth
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24,
000
mile
s w
hich
ever
occ
urs
first
. T
his
war
rant
y be
gins
on
the
orig
inal
ret
ail
deliv
ery
date
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Wha
t is
Cov
ered
Any
impl
ied
war
rant
ies
are
limited
in d
urat
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to t
he c
over
age
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of th
is w
arra
nty
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ates
do
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w
limitat
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ng a
n im
plie
d w
arra
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last
s so
the
abo
ve li
mitat
ion
may
not
app
ly t
o yo
u).
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s W
arra
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runs
in
fav
or o
f th
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al r
etai
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ston
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stal
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rant
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ies
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stal
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use
d in
rac
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ff
road
app
licat
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or
used
for
com
mer
cial
pur
pose
s.
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dditio
n, t
he w
arra
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will
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ly t
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rvic
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to
the
inst
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tha
t ac
com
pany
the
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prin
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sem
bly.
Th
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nsum
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ill b
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spon
sibl
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r an
y co
sts
incu
rred
in r
emov
ing
the
prod
uct
from
the
veh
icle
and
the
cos
t to
ret
urn
the
air
spring
ass
embl
y to
the
dea
ler
or in
stal
ler
from
whi
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was
pur
chas
ed.
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it is
det
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ined
tha
t th
e Rid
e Rite
Air S
prin
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embl
y fa
iled
as a
res
ult
of a
man
ufac
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tone
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air
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at it
s op
tion
, an
y pr
oduc
t or
com
pone
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subj
ect
to t
his
war
rant
y.
You
sho
uld
reta
in a
cop
y of
you
r co
ntra
ct w
ith
your
inst
alle
r an
d yo
ur r
ecei
pt a
s pr
oof of
the
dat
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inst
alla
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. Th
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arra
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rans
fera
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and
is n
ot a
ssig
nabl
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any
way
.
Fire
sto
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peci
fica
lly
excl
ud
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an
y o
blig
ati
on
fo
r co
nse
qu
en
tial d
am
ag
es
or
inci
den
tal exp
en
ses
incl
ud
ing
cla
ims
for
loss
of
use
of
the p
rod
uct
, lo
ss o
f ti
me,
inco
nve
nie
nce
, o
r co
mm
erc
ial lo
ss.
Th
is w
arr
an
ty g
ives
you
sp
eci
fic
leg
al ri
gh
ts.
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u m
ay
als
o h
ave
oth
er
rig
hts
th
at
may
vary
fro
m s
tate
-to
-sta
te.
So
me s
tate
s d
o n
ot
allo
w lim
itati
on
s o
n h
ow
lo
ng
an
im
plied
warr
an
ty last
s o
r allo
w t
he
excl
usi
on
or
lim
itati
on
of
inci
den
tal o
r co
nse
qu
en
tial d
am
ag
es.
Th
e a
bo
ve lim
itati
on
or
excl
usi
on
may
no
t ap
ply
to
yo
u.
Th
ere
are
n
o w
arr
an
ties,
exp
ress
or
imp
lied
, in
clu
din
g im
plied
warr
an
ty o
f m
erc
han
tab
ilit
y an
d f
itn
ess
wh
ich
exte
nd
beyo
nd
th
is w
arr
an
ty.