Information on maximum tir
epressu re %
The dat
ashown in thei llustration is sample
data.
Maximum permitted tir epressure 1,whichis
permitted fort he tires mus tnotbe exceeded.
Exception: whe nusing the2 25/ 75R16C
12 1/120R (122L) tires as aspare wheel on the
re ar axle of Supe rSinglev ehicles wit hadista nce
limit of 62 mi (100 km) and speed limit of 34 mph
(55 km/h). Information on tir
echaracteristics %
The dat
ashown in thei llustration is sample
data.
This information describes thet ype of tir ecord
and then umber of la yers in side wall1 and
under tir etread 2. Ti
re size designation, load-bearing capacity,
speed ratin ga nd load index &
WARNING Risk of inju rythro ugh exceed‐
ing thes pecified tir eload rating or the
permissible speed rating
Exceeding thes pecified tir eload rating or the
permissible speed rating ma ylea dtot ire
dama geand tothet ires bur sting. #
Therefore, onl yuse tir etypes and sizes
appr ovedfor your vehicle model. #
Obser vethet irel oad rating and speed
ra ting requ ired fory our vehicle. 1
Prefixing letter
2 Nominal tir ewidthinm illimeters
3 Aspect ratio (i npercent)
4 Tire code
5 Rimd iame ter
6 Load-bearing index
7 Speed rating
8 Loadind ex
% The dat
ashown in thei llustration is sample
data.
Fu rther information about reading tir edatac an
be obtaine dfroma nyqualified specialis twork‐
shop.
Prefixing letter 1 1:
R "LT": light truc ktires in accordance wit hUS
manufacturer standards.
R "C": tires forc ommercial usage in accordance
wit hE uropean manufacturer standards.
Aspect ratio (i npercent) 3 3:
The size ratio betwee nthe tir eheight and tire
widt hand is shown in percent (tir eheight divided
by tirew idth ).
Ti re code 4 4(tiretype):
R "R": radial tire
Rim diam eter 5
5:
The diame teroft he bead seat (no tthe diame ter
of ther im flange). The rimd iame teriss pecified in
inches (in).
Load-bearing index 6 6:
Numerical code whic hspecifies them aximum
load-bearing capacity of atire( "91" equals, e.g.
13 56 lb (6 15kg)).
The tir eload-bearing capacit ymustbeatl east
half theg ross axle weight rating of thev ehicle. Wheels and tires
307
mus
thave thec orrect dimensions and
th et irem ustbet he cor rect type. Do no
texceed amaximum speed of 50 mph
(80 km/h) if aspar ew heel of adiffe re nt size is
ins talled. &
WARNING Risk of accident from dam‐
aged spa rewheel wit hSuper Sin glet ires
Ve hicles with Super Single tires
The tir eofthe spar ewheel exposed toabo ve-
ave rage loads af terb eing ins talled on ther ear
axle. If youe xceed them aximum speed or the
maximu mdista nce, or ins tallth es par ew heel
again, thet ireoft he spar ewheel ma ybe
damaged. The tir edamag emaynotbev isible
and no tdetectable.
Ad amaged tir emaycause alossoft irep res‐
sure. Thi scould cause youtol ose control of
th ev ehicle. #
Onlyusethes par ew heel if it has not
ye tb eeni nstalled on ther ear axle with
th ec urrent tires. #
Ifth es par ew heel had been ins talled on
th er ear axle, ha vethet ireoft he spare
wheel replaced af terc hanging the
wheel again, ir respectiv eofthe dis‐
ta nce. #
Fors afet yr easons, when changing atire
ensur ethat only thet irev alvetype
appr ovedfor thet ires is used. *
NO
TEDama getothet ransmission Ve
hicles with Super Single tires: whenyou
ins tallth es par ew heel on ther ear axle, the
transmission ma ybedamaged bythed iffe r‐
ent rotational speed softhe wheels. #
When thes par ew heel is ins talled on the
re ar axle ,obse rvet he maximum speed
of 34 mph(55 km/h) and them aximum
driving dis tance of 62 miles (100 km). %
The spa
rewheel can be used without restric‐
tions on thef ront axle of avehicle wit hSuper
Single tires.
Re gular lych eckt hat thes par ew heel is secured
and has thes pecified tir epressure
(/ page296). Re
gularly checkt he following, particularly prior to
long trips:
R thet irep ressur eoft he spar ewheel (if neces‐
sar y,adjus tthe tir epressure).
R thef astenings of thes par ew heel brac ket.
Re place thet ires af ters ixyearsatt he latest,
re ga rdless of wear.T his also applies tothes pare
wheel.
% If
yo uh ave installed aspar ew heel, thet ire
pressur emonitoring sy stem will no tfunction
fo rt his wheel.T he sparewheel is no tequip‐
ped wit hasensor fort he tir epressur emoni‐
to ring sy stem. Installing/removing
thes pare wheel Ve
hicles with rear wheel drive: removing the
spar ewheel (Cargo Van/Passenger Van) Bolt co
vers fort he saf etyh ooks (exa mp le: Cargo
Va n) #
Ope nthe rear-en ddoors. 318
Wheels and tires
#
Place ascrew driver int orecesses 2and
th en pr yoffco vers 1 . #
Using thel ug wrenc hfromt hevehicle tool kit,
unscr ewthen ow visible bolts counter-clock‐
wise byappr oximatel y20turns. #
Slightly raise spar ewheel car rier 4 and
unhook left-hand saf etyh ook 3. #
Assemble thep um pleve rfor thej acka nd
slide it int osleeve5 onther ight-ha ndside
of spar ewheel car rier 4. #
Raise spar ewheel car rier 4 withthe pump
le ve ra nd unhook right-han dsafet yh ook 3. #
Slowl ylow er spar ewhee lcarrier 4 tothe
ground. #
Lift spar ewheel car rier 4 slightl yand pull
th ep um pleve rout of thes lee ve. #
Use thep um pleve rtol iftt he spar ewheel
be yond ther ear edg eofsparew heel car rier
4. #
Carefully remo vethes par ew heel from spare
wheel car rier 4.T he spar ewheel is heavy.
When thes par ew heel is remo ved, thec enter
of gr avity changes due totheh eavy weight of
th ew heel. The spar ewheel ma yslip down or
tip ove r.
Ve hicles with rear wheel drive: installin gthe
spar ewheel (Cargo Van/Passenger Van) #
Carefully place thes par ew heel ont ospare
wheel car rier 4.T he spar ewheel is heavy.
When youp lacethe spar ewheel ont ospare
wheel car rier 4,t he center of gravity
ch anges due tothew eight of thew heel. The
spar ewheel ma yslip down or tip over. #
Slide thep um pleve rfor thej acki ntos leeve
5 on spar ewheel car rier 4. #
Raise spar ewheel car rier 4 withthe pump
le ve ra nd attac hright-ha ndsafetyh ook 3. #
Slight lyraise spar ewheel car rier 4 and
attac hleft-hand saf etyh ook 3. #
Pull thep um pleve rout of slee ve5 . #
Using thel ug wrench, tighten saf etyh ook
bolts 3byturning them clockwise. #
Replace and engag ecovers 1. #
Close ther ear-end doors. Ve
hicles with rear wheel drive: removing the
spar ewheel (vehicl ewithl ow ered chassis) Bolt co
vers fort he saf etyh ooks (exa mp le: Cargo
Va n) #
Ope nthe rear-en ddoors. Wheel
sand tires 319
#
Place ascrew driver int orecesses 2and
th en pr yoffco vers 1 . #
Using thel ug wrenc hfromt hevehicle tool kit,
unscr ewthen ow visible bolts counter-clock‐
wise byappr oximatel y20turns. #
Slightly raise spar ewheel car rier 4 and
unhook left-hand saf etyh ook 3. #
Assemble thep um pleve rfor thej acka nd
slide it int osleeve5 onther ight-ha ndside
of spar ewheel car rier 4. #
Raise thes par ew heel car rier wit hthe pump
le ve ra nd unhook right-han dsafet yh ook 3. #
Position loop 7ofextraction device 6on
th es par ew heel so that youw ill later be able
to attac hlug wrench 8. #
Prepar ethe jac k. #
Place thej ackb eneat hthe cor responding
jac ksuppor tpoint. #
Movethep um pleve rupa nd down until the
tir eisr aised amaximum of 1.18 in (3 cm) off
th eg round. #
Hook lug wrench 8intoloop 7ofextrac‐
tio nd evice 6 onthes par ew heel. #
Carefully remo vethes par ew heel from spare
wheel car rier 4.T he spar ewheel is heavy.
When thes par ew heel is remo ved, thec enter
of gr avity changes due totheh eavy weight of
th ew heel. The spar ewheel ma yslip down or
tip ove r. #
Remo vethes par ew heel extraction device
and stor eitinas afep lace. Youc an now
ins tallth es par ew heel to yo urvehicle. #
Lowe rthe vehicle.
Ve hicles with rear wheel drive: installin gthe
spar ewheel (vehicle with lo weredc hassis)
% In
thee vent of aflat tire, youm aystor et he
defectiv ewheel inside thev ehicle only .An
intact wheel ma ybestore dint he spare
wheel car rier onl ywhen thev ehicle is unla‐
den. Aladen vehicle mus tfirst be raised. #
Carefull yplace thes par ew heel ont ospare
wheel car rier 4.T he spar ewheel is heavy.
When youp lacethe spar ewheel ont ospare
wheel car rier 4,t he center of gravity
ch anges due tothew eight of thew heel. The
spar ewheel ma yslip down or tip over. #
Slide thep um pleve rfor thej acki ntos leeve
5 on spar ewheel car rier 4. #
Raise spar ewheel car rier 4 withthe pump
le ve ra nd attac hright-ha ndsafetyh ook 3. #
Slight lyraise spar ewheel car rier 4 and
attac hleft-hand saf etyh ook 3. #
Pull thep um pleve rout of slee ve5 . #
Using thel ug wrench, tighten saf etyh ook
bolts 3byturning them clockwise. #
Replace and engag ecovers 1. #
Close ther ear-end doors.
Ve hicles with rear wheel drive: removing the
spar ewheel (chassis) #
Loosen wing nuts 3manually and then
re mo vethem. #
Loosen nuts 2asfarast hethre ad end. #
Slightly raise spar ewheel car rier 4 and
unhook left-hand saf etyh ook 1. #
Assemble thep um pleve rfor thej acka nd
slide it int othe slee veon ther ight-ha ndside
of spar ewheel car rier 4. #
Raise spar ewheel car rier 4 withthe pump
le ve ra nd unhook right-han dsafet yh ook 1. #
Slowl ylow er spar ewhee lcarrier 4 tothe
ground. #
Lift spar ewheel car rier 4 slightl yand pull
th ep um pleve rout of thes lee ve. #
Use thep um pleve rtol iftt he spar ewheel
be yond ther ear edg eofthe spar ewheel car‐
ri er. #
Carefully remo vethes par ew heel from the
spar ewheel car rier .T he spar ewheel is heavy.
When thes par ew heel is remo ved, thec enter
of gr avity changes due totheh eavy weight of
th ew heel. The spar ewheel ma yslip down or
tip ove r. 320
Wheels and tires
Ve
hicles with rear wheel drive: installin gthe
spar ewheel (chassis) #
Carefully place thes par ew heel ont ospare
wheel car rier 4.T he spar ewheel is heavy.
When youp lacethe spar ewheel ont othe
spar ewheel car rier ,t he center of gr avity
ch anges due tothew eight of thew heel. The
spar ewheel ma yslip down or tip over. #
Slide thep um pleve rfor thej acki ntot he
slee veon spar ewheel car rier 4. #
Raise spar ewheel car rier 4 withthe pump
le ve ra nd attac hright-ha ndsafetyh ook 1. #
Slight lyraise thes par ew heel car rier and
attac hleft-hand saf etyh ook 1. #
Pull thep um pleve rout of thes lee ve. #
Tighten nuts 2. #
Put wing nuts 3in place and tighten them. Wheels and tires
321