Fig 16 VOLKSWAGEN JETTA 2007 Manual Online

Booklet 3.2 Tips and Advice
Checking the coolant level and topping off
The correct coolant level is important for correct functioning of the engine cooling
system .
Fig. 7 In the engine compartment: coolant expan­
s ion tank
To get a true reading, the vehicle must be
on level grou nd. Before opening the en­
gine hood, always read and heed all
WARN INGS
34, is job No. l
when working in the eng ine compart­
If th e coo lant level drops too low,
th e wa rning text
STOP Ch eck coolant
O w ner's manual!
is disp layed in the instru­
ment cluster and t he engine coo lant
level/temperatu re wa rning lig h t lights up.
Opening the coolant e xpansion tank
- Switc h off the eng ine and allow it to
coo l.
- To prevent scald in g, cove r the cap
8011 the expansion tank with a thick
cloth and ca refu lly un screw the
Checking coolant level
- Look into the open coo lant expansion
tan k and read off the coo lant leve l.
- If th e leve l is belo w the
mark , top
off w ith coolant.
Topping off coolant
- Only use new coolant.
44 Checking and Filling
Fi g. 8 In the engine compar tment: cap of coola nt
expansion tank
-Do not fill above the upper mark.
Closing the coolant expansion tank
-Reinsta ll the cap
pos itio n of t he coo lant expa nsion tank i s
show n in the corre spo ndin g en gin e co mpart ­
overview 3.3 'Technical data."
Make sure that the coola nt meets the required
s p eci fications
43. Do not use a different
typ e of add itive if coolant addit ive G 12 i s not
avai lable. In this case use only water and bring
coola nt co ncentrati on back up to th e corr ect
l eve l as soo n as po ssible by to pping off with the
s p ec ified addi tive
43 .
A lways top off wi th
Do not fill above the upper mark. Otherwi se the
excess ive coo la nt be pressed out of the
coo ling sys tem w hen th e engine is hot.
T he
additive G 12 (purp le) may be mixed
w ith G 12 (pink) and a lso with G 1 1.
WARNING
Stop! Before working in the e ngine compart­
ment, a lways read and heed all WARNINGS
34. The engine compar tment of an y
motor vehicle i s a poten tially dangerous area
and can cause serious personal injury.

Note
• When mixed with ot heradditives t he colo r of
G 12 w ill chan ge to brown . If thi s ha ppens. im­
mediat ely change the coo lant. Otherw ise it wi ll
res ult in engi ne damage!
• If a lot o f coo la n t ha s been lost. wa it for the
engine to
coo l before topping cold
coolant to h elp prevent damage to th e e ngine.
Large coolan t losses are a s ign of leaks in the
Book let 3.2 Tip s and Advic e ®
cooling syste m. Ha ve the cool ing syste m
che cke d imm ediatel y by an authori zed Volk­
swage n dea le r or qua lifi ed worksho p to red uce
the risk of engine damage.
• Do not add an y type of radia to r leak sealant
to you r veh icle's e ngi ne coola nt.Adding ra di ator
repair fluid m ay adve rse ly aff ect th e f un ction
and performanc e of yo ur coo ling sys te m and
co uld result in damage not covere d by your New
Ve hicle Lim ited
The water for cleaning windsh ield should always be mixed windshield
washer
Fig . 9 In the engine comportment: cop of wind ­
shie ld wa sher flu id container
Th e wi ndsh iel d washer co ntain er loca ted
in t he eng ine c ompartme nt suppli es was her
fluid to b oth th e wind shield wash er an d hea d­
li g ht washi ng sys te m . If the was her flu id l eve l
drop s to o low. the informat io n tex t Top up
was h fluid! i s di sp layed in the ins trument cluster a nd
t h e w indshield washer warn ing light ligh ts up . Stop!
o
p eni ng t he engine hood, always
r ea d and hee d all WA RN INGS 34, is job No. l w hen working in the engi ne com­
partm ent ".
Th e location of the container is shown in
corresponding engine co mpartm elll overview
=>bookle t 3.3 ''Techn ical Data."
S inc e regular water is usually not adequate for
cleaning t he wi ndshi eld, a dd
clea ning so lution
to the water. Please follow the diluti on in stru c­
t io ns on the package.
WARNING
Stop! Before working in the eng in e co mpa rt­
m ent , a lways read a nd heed all WA RN INGS
34 . Th e engine co mpartm ent an y
motor ve hicl e is a potent ially dan gerous area
a nd ca n ca use se riou s personal inju ry.
D o not use engine coo lan t, anti-freeze a ny
o th er so lu tions that ca n damage t he ve hicl e
Ch ecki ng and Fillin g 45

Booklet 3.2 Tips and Ad vic e
Changing windshield wiper blades
Dama ged wiper blades must be rep lac ed
Fig . 10 Windsh iel wiper blades in "Service posi ­tion"
Regularl y check the co nditi on of the wipe r
blad es. Change them when worn.
Chang ing windshield wip er blades
- Switch the ignition on briefl y and
sw itch it back off.
- Wit hin IO seconds of switching
th e
i g ni tion, push the windshi eld wiper lever
down to the brie f w ipin g position. The
w indshield wip ers w ill then mo ve up and
stop in the "Service posit ion " so that you
can easily access the wipe r blade s
IO .
- Lift th e wiper arm away from the w ind­
s hield glass. Do not pull th e arm by th e
bl ad e.
- Turn the wiper blade in a counter­
cl oc kwise directio n to the lef t
I I
and then pull it
- In sta ll a n ew wipe r blade of the same
l eng th and type onto the w ip er arm and
t urn th e w ip er bl ade clockwi se.
46 Checking and Filling
Fig. 11 Changing windshie ld wiper blades
- Put the wip er arms back agains t the
w indshie ld. The win dsh ie ld wiper arms
wi ll re turn to their original po sition w hen
you turn on the ignit ion and opera te th e
w ind shi eld wipe r lever or w hen yo u dri ve
faster than 3 mph (6km /h ).
Replac ement wip er blad es are available from
y our au thorized Volkswage n deal er.
I f th e w ind shi eld wiper s rub , or if they are dam­
ag ed
shou ld be rep laced , or clea ned if th ey
are dirty.
If th is do es
produ ce de sired re sult s, settin g angle of winds hield wiper arm s ma y
be in correct sh ould be ch eck ed an d ad ­if necessary by an dealer or quali fied work sh op .
WARNING
Worn or wip er b la d es w ill redu ce vis i­
bilit y and increase the risk of acci dent l ead ing
to ser io us perso nal inju ry to you and your p as­
se nger s.
•
clea n wind shi eld wip er blade s
and all wi ndo ws reg ular ly.
• Alw ays mak e sure to ch an ge the
blade s onc e or tw ice a yea r.

fluid reservoir has a black cap.
Fig. 12 I n the engine compartm ent : c ap of the
brake fluid reservoi r
To get a read in g, the ve hicl e be
on leve l g round . Before opening th e
g in e hood, always rea d and hee d all
WA RN INGS
34, "Sa fety is job No. 1
w hen wo rkin g in the eng ine com par t·
m ent' '.
H ead off fluid leve l a t the tran s­
par ent brak e fluid reservo ir. IL sho uld
ways be be twee n th e "M IN" and "MAX"
m arks .
Bookl et 3.2 Tips and Advic e @
• Never move the w indshi eld wiper o r sh ield wiper arm manu ally· this co uld cause
damage!
• To prevent damage to the wiping sys te m,
ways loose n blades froze n to th e g lass befor e ting th e wi pers
Th e loca tion of the brak e flu id reservo ir is show n
in the correspo nding engin e co mpartm ent over·
v iew
3 .3 "Tec hnical Data. " T he brake
fluid reservoir has a black cap 12 .
Th e fluid leve l drops slightly w hen th e hide is bein g use d and as the pads are to mat ically a dju ste d as they wea r dow n.
Howe ver, if the leve l goes
no ticeab ly i n a time, o r drops below th e "MIN " mark,
ther e ma y be a lea k in the brake syste m. If th e
brak e fluid leve l drops too low, the wa rnin g tex t
STOP . Brake fluid stop vehicle! i s disp layed i n the
instrumem cluste r an d the brake system
warning lig ht light s up . If this hap pens, imm edi ·
ate ly take the ve hicle to an auth orized Vo lk­
s wa gen d ealer ship, or qua lified workshop a nd
have the brak e sys te m insp ecte d.
WARNING
Stop! Before wo rk in g in the en gin e compart­
ment , a lways read and h eed all WARN IN GS
34 . Th e engine compar tme nt of any
motor vehicle is a pot entia lly dan gerou s area
and can ca use ser io us perso nal injur y
Checking and Filling 47

fore, you shou ld ne ver let air o ut of a warm ti re m atc h "cold tire inflation pressure" reco m­
m endati ons. The tir es wo uld then be und erin­
fla ted and could fail suddenl y.
Maint aining proper tire press ure is on e of the
mo st important things you ca n do
help avoi d
s udd en tir e failu re. Unde rinflated tire s are a
major cause of sudden tir e failure. Keeping t ires
a t th e righ t p ress ure is also important for saf e
and resp o nsiv e ve hicl e handl ing, tra ctio n,
and load carryi ng. Tire pre ssure s arc
part icu lar ly i mport ant when the ve hicle is
being driven at higher speeds, and then espe­
cially when heavi ly lo ad ed eve n wit hin th e per­
mi ssible load-carry ing capaci ties approved for
yo ur vehicle.
The reco mm end ed tir e pre ssure s fo r yo ur Volk­
sw age n dep end on th e kind or tires on your ve-
Ca rlin e E ngin e Tire
Jet ta 1.91
/ 74 195/65
15 91 H
kWT DI
1.91/ 74 205
/55 R 16 91
kW TD I
1. 9 1 / 74 225/45
17 91 H
kW TDI
J etta 2.0
l / 147 205/55 R 16 911-1
2. 0l / 147 225/45
R 17 91 H
kWTF SI
2.0 1 / 147 255 /40
18 92 Y
kWTFSI
J e tt a 2.51/ 110 195/65
1 5 91 H
kW
2 .5 1 /
IIO 205/55 R 16 91 H
k W
2 .5 1 /
IIO 225/45 R 1791 H
kW
xi= reinfor ced
Be caus e
ch anges may be mad e to ve­
hicl e equipm ent during the model year, always
c ompar e th e tire size designation on the tire
pr ess ure label on yo ur vehi cle
the tire s on
y ou r ve hicle. Make sur e that th e tir e s ize in fo r-
Booklet 3.2 Tips and Advice
hide an d th e number of passe ngers and /or
amo unt of luggage you will b e
The tire pr ess ure la b el on the op en edge of the
dri ver's doo r on your Volk swagen li sts th e rec­
o mmended cold tire infla tion press ures fo r the
veh icle at its max imum capaci ty weight and tire s
th at were on your vehicle at the time it was man­
ufa ctur ed.
See the illu stration
54, fig. for the loca­
ti on of the label on the open edge of the drive r's
door (color of th e actual label and exact location
o n the vehicl e will vary slightl y).
table below li sts the recom mend ed co ld tire
inflation pressures for the Volk swa gen m odel s
cove red by your O wner's Lit era ture at the ve­
hi cle's maximum capacit y weig ht and the tir e
s izes insta lled on th e res pec tive mode ls as ori g­
in al e quipment , o r as a fa ctory opt ion .
Tire pressur e Tire pressure rear
front
PSI kPa
PS I kPa
34 234 34 234
34 234 34 234
34 234 34 234
3 5 240 35 240
35 240
35 240
35 240
240
34 234
34 234
34 2
34 3 4
234
34 234
34 234
mation o n the vehicl e lab el i s the same as th e
s ize of t he tir es on the ve hicl e is es pecially im­
portan t if th e ve hicl e belo ngs to someo ne e lse or
y ou bou ght the vehicle with different rims/tires
Checking and Filling 55

Booklet 3.2 Tips and Advi ce
des with tire press ure m onito rin g sys te m To preven t thi s, always make that
fac to ry i nsta ll ed va lve s te m caps on a ll whee ls
are securely mount ed on th e valve .
Tires and vehicle load limits
There ar e limits to th e amo unt of load or we ig ht
t hat any vehicl e and any tire ca n carry. A ve hicle
t h at is over loaded will not handle well an d is
mor e difficult t o sto p. Overloadi ng ca n not only
l ead to loss of veh icle contro l, but can also
damage important parts of the vehicle and can
l ead to sudden tire failure, including a blowout
an d sudd en deflat ion that can ca use th e ve hicle
to crash.
Your safety and that of yo ur passengers also de ­
pe nds on making sure tha t load limit s are not ex­
cee ded . Veh icle load includ es everybody and ev­
e ry thing in and on the ve hicle. T hese load limits
are technica lly referred to as the vehicle"s Gro ss
Ve hicl e We ig ht Hating
The in cl udes the of the basic ve­
h icle , a ll in sta lled accessor ies, full tank
of fuel, oil, coolan t and o ther flui ds p lu s max­
imum load . Th e m aximum load includ es the
number of passe ngers that the ve hicle is in ­
te nded to carry ("seatin g capacity") with an as­
su med weight of 150 lbs (68 Kg) fo r each pas­
se nge r at a des ig n ati on sea ting pos ition and the
to ta l weight of any lu ggage in the ve hicle. If you
tow a traile r, th e weig ht of th e tra iler hitch and
th e tong ue weig ht of the lo ad ed tra iler mu st b e
included as part of the ve hicle lo ad .
T he Gross Axle We ig ht Hatin g
is th e
maximum load that ca n be appl ied a t eac h of t h e
ve hicl e's two ax les.
The Gross Ve hicl e We ight
and th e Gross
Ax le We ig h t are liste d on the sa fe ty com­
pliance sticke r la b el o n th e driv er's door latch
pi llar Your Je tt a ha s 5 seat ing posit io ns, 2 in the
front and 3 in the rea r fo r to tal seating capacity of
5. Ea ch sea ting posi tio n ha s a safe ty belt
= book le t 2. 1 "Safety firs t."
58 Checking and Filling
For th e sake of env ironm ent
Yo ur car w ill ha ve a highe r consumpt io n
a nd unn ecessa ry ex hau st em iss ions with und er­
inflated tires .
that there is an upper limit to your ve­
hicl e' Gross Vehicle We ig ht Hati ng mean s that
th e
weight of whatever is be ing ca rri ed in
th e veh icle (including the we ight o f trailer
hit ch and the tongu e we igh t of the loaded
t railer) is limit ed. The more pa ssenge rs in the
ve­hicl e or passe ngers arc heav ier th an the
s tandard weigh ts assumed mean th at less
we igh t
be carr ied as luggage.
tir e pressure label on your Vo lkswagen also
lists the maximum combin ed weight of all of the
occupants and luggage or other cargo that th e
ve hicle can carry. For the locatio n of the label
54. fig. 13 .
WA RNING
Over loadin g a vehicle can cau se loss o f ve hicl e
co ntr ol, cras h or ot her accide nt, se rious per­
s o nal injur y, and eve n death.
• Car rying more weig ht th an yo ur vehicle
des ig ned to ca rry will prevent the ve hicle
from handlin g proper ly and in crease the risk
o f th e loss of ve hicl e co ntrol.
• Th e brake s o n a ve hicl e th at has bee n over­
l oa ded may not be ab le to stop th e vehicle
wit hin a
dista nce.
• Tir es on a veh icle that ha s be en over loaded
ca n
su dd enl y, includin g a blowout a nd
s udd en deflation, causin g los s of co ntrol and a
c ra sh .
• Alway s make sur e th at the total l oad bein g
tran sp ort ed - inclu din g th e we ig h t of a tra ile r
hi tch and the to ngue we ig ht of a lo aded trail er
- docs not make the vehicl e heav ie r than the
v eh icle 's Gros s Ve hicl e We ig ht H atin g

Determining correct load limit
Use the examp le below to calcula te the
total weigh t of the pa sse ngers and luggage
o r ot her thing s that you plan to transport
so that you can make s ure that your vehicl e
w ill not be overload ed .
Steps for Determining Correct Load
Limit
I. Locate the sta te m en t "TH E COMBIN ED
WE IG HT OF OCC UPA NTS AND CARGO
S HOULD NEVER EXCEED
XXX KG OR XXX
LB S" from the st ic ker
54, fi g. 13 .
2. Determine the combined weig ht of the
d ri ve r and passen gers chac w ill be riding in
your ve hicle.
3 . S ubtract the combined weight of the
driver and passengers "XXX" kilograms or
"XXX" po unds
4. Th e re sultin g figu re equa ls the ava ilab le
amount of cargo and luggage load ca­
paci ty.
ex ample , if th e "XXX " am ou nt
equa ls
1400 lbs . and there w ill b e five 150
lb s. passengers in your vehicle , th e
amount of avai lab le ca rgo and luggage
lo ad capac ity is
650 lb s. (14 00- 750 ( 5 x 15 0 )
650 lb s.)
5. Determine the combined we ight of lu g­
gag e and ca rgo bein g load ed on the ve­
hicl e. Th at we ight may no t sa fely excee d
the ava ilable cargo and luggag e load ca­
pa cit y ca lc ulat ed in Step
4.
6. your ve hicle will be towing a trailer,
load from your trailer will be transferred to
yo ur vehicle. Consult thi s manual to d eter­
mine ho w this re d uces the ava ilable carg o
a n d luggage load capacit y of your vehicle.
- C heck the ti re sid ew all
fig. 16 ) to de te rmin e the de signated load
ratin g for a spec ific tire.
se rvice lif e of tires depend s on a lot of diffe rent inc/11di11g proper instal­
balanc ing, correc t tir e pressu re and driv ing style .
Fig. 14 Tire tread: tr ead wear ind icators (TW I)
Tread Wear Indicator {TWI)
Th e ori gina l ti re s on yo ur veh icle have I /16 in ch
Fi g. 15 Rotating t ires for more even we ar
(1. 6 mm ) hi gh indi cator s" 14 runn in g
a cro ss the Depending on th e m ak e, th ere
Checking and Filling 59

Booklet 3.2 Tips and Advice
will be s ix 10 eight of them evenly pla ced aroun d tire. Marks on the tire s idewa ll (fo r ex amp le o r oth er symbols) indicate the p ositions
of the tread w ear in dica tor s. Wo rn tires mu st be
rep laced . Different figu res may apply in oth er
Tir e pressure
In co rrec t lir e pr ess ure cause s pr ematur e wear
and can cause s udden tire blow -out. F or thi s
r easo n, tir e pressure must be c hec ke d at leas t
o nce a m ont h
56.
Driving style
Drivin g fast around cu rves, heavy acce lera tio n
and hard braking increase t ir e w ear.
Rotating tir es for more even wear
I f th e front tires are worn consid era bly m ore
than t he re ar ones, rotate th em as sh own
59, fig. 15 . All the tir es will then last for
about sa me of tim e.
A ll
tir es s hou ld have th e sam e am ount of
wear. All four w heels must have the sa me ro lling
ci rc umf ere nce.
Wheel balancing
Th e wh eels on ne w ve hicl es are balan ced. H ow­
eve r. various situations during every d ay driv ing
can cause them
b ecom e unbalan ced, r e­
s ultin g in vib rat io ns y ou can usuall y fe el throug h
th e steering wheel.
Unbalan ced w hee ls mu st be reb alan ced to avoid
e x cessive wear on stee ring, suspen sion and
60 Checking and Filling
tire s. A wheel also be rebalan ced w hen a
new lire i s in stalled .
In correct whee l alignment
Incorr ect whee l alignment can cause exc ess ive
ti re wea r, impa ir in g
safe ty of the ve hicle. If
t ir es s how excess ive wear, have wheel align­
m en t ch ecke d by an authori zed Vol ksw age n
d ea le r or qualifi ed work sh op.
WARNING
Sud den tir e fa ilur e ca n le ad to lo ss of con trol ,
a cra sh and serious persona l injury!
• Neve r drive a vehicle wh en th e trea d on
any tire is wo rn dow n to the wea r indicator s.
• Worn tires a rc a sa fety hazar d, the y do not
gr ip we ll on wet roads and increase y our risk
of "h yd ropl anin g" and lo ss of contro l.
• Always kee p ch emi cals that can ca use tir e
d amage, s uch as g rease, oil , gaso line and
brak e fluid away from tire s.
• Tire s age even if th ey a rc not b ein g use d
and can fail sudd enl y, es pecially al high
s pe eds . Tir es that a re more than 6 year s old
can onl y be use d in an emergen cy and th en
w ith sp ecia l care a nd at lowe r sp eeds.
• Neve r mount u sed tire s on your vehicl e if
you a rc not sur e of their "pr ev iou s hi stor y."
Old use d tir es ma y ha ve been d amaged eve n
th ough the d am age ca nnot b e seen that can
lead t o sudd en tir e failure and loss of vehicle

Booklet 3.2 Tips and Advice
tires approved for the Volkswage n models ered by your Owner's Literature.
The tire pressure label on the open edge of the
dri ver's door (
54, fig. 13 ) lists th e s pec ifi­
cations of the original equipm ent tir es insta lled
on your vehicle at the time it was
Federal law re quire s tire manufacturers to plac e
standardized informat io n on the sid ew all of all
t ir es
fig. This information id enti­
fi es d esc ribes the fundamental charac te ris­
ti cs, the quality grad e of the tire and also pro­
vides
tir e id entifi cation number for safe ty stan ­
dard certificat ion an d in case of reca ll.
Tire specifications
Kn ow le d ge of tire sp ec ifica tions mak es it easier
to choose the tires. Hadial tires ha ve the
t ir e sp ec ifica tion s mark ed on th e sidewall, for
examp le :
P255 I 55 R 18 109 H x i
This contain s the following information:
Indi cates the tir e is for pass enger
No minal tire width in mm of the tire from
s ide wall edg e to sidewa ll edge. 1 n general.
th e lar ger the numb er, the wider th e tir e
55 I !e ight /width
in per cent (aspect ratio )
Tire constru ctio n: Hrad ial
1 8 Him diamete r
(in inch es)
109
co de
Speed le tter code
x i
tha t th e tire is "R einf orced"
( h eavy-d uty tir es)
M +S (o r "M /S") Indicates that t he tire h as some
m ud and snow capabili ty
The tire s could al so have the information of di ­
rection of rotation
51, "Unidi rectiona l
tires".
T ir e manufactur ing date
The manufa cturin g dat e is also indicate d on the
tir e sid ewa ll (poss ibly o nly on the i1111 erside of
th e wheel):
... 45 03 ... "means. fo r exam ple, that th e
tir e produ ced in the 45th week of
Speed Rating Letter Code
The sp ee d rating le tt er code on the wheel s indi­
cates the maximum p ermi ssibl e roa d speeds
in "Wint er tires" on page
up 93 mph (150 km/h )
Q 99 mph km/h)
up to 106 mph (170 k m/h)
s up to llO mph (180 km /h )
T up
118 mph (190 km/h )
u up t o 124 mph (200 km/h )
up to 130 mph (210 km /h )
V up to 149 mph (240
up to 150 mph (240
\V up t o 168 mph (270 y
up to mph (298
U. S. DOT Tire Identification Number (TIN )
Thi s is the tir e's "se rial number." It begins with
th e le tt ers "DOT" and indicates
the tire
m ee ts all federal standards . The n ext two
ber s or lett ers indicate th e plant where it was
manufacture d. and the la st four numb ers repre­
se nt the week and year of manuf acture. For ex­
a mpl e. th e numb ers 180 1 m ean that the tire
produ ced in the 18th week of 2001. The oth er
numb ers are mark etin g co des ma y or ma y
n o t be used b y th e tire manufa cturer. T his infor­
mati on is u sed to contact consum ers ifa tire de­
f ec t req uires a reca ll.
Tir e ply compos ition and materials used
T he numb er of plies indicat es the numb er of
la ye rs of rubb er-co ated fabri c in the tir e. In gen­
e ral, th e g rea te r the numb er of p lies , th e mor e
a tire can supp ort. Tire manuf actur ers
a lso mu st indicate the materials in the tire ,
wh ich include steel. nylon, poly este r, and
o th ers .
Maximu m Load Ra ting
Thi s numb er indi cat es the maximum load in ki ­
lo gram s and pounds that can h e
by the
tir e. Tread wear, traction and te mpe ralll re
g rades
64, tir e quality
·II For tir es max imum speed capabilit y over mph (240 km /h ). tire so metimes use
th e lette rs
62 Checking and Filling

Booklet 3.2 Tips and Advice
• If the spar e tire is differe nt from the tires that
yo u have mounted on your ve hicl e ( for example
tir es or wide profil e tir es), then use the
spare tire for a sh ort period of on ly and
driv e w ith extra care . R ep lace the flat tir e wi th
th e tir e ma tc hin g th e o ther s on yo ur vehicle as
soo n as pos sibl e.
Uniform tire quality grading
Qualit y can b e found w here appli cable on
th e tire side be twee n tread sh ou ld e r and
m axi mum sec tion w idth 61. fig . 16 .
For exampl e: T rea d wear 20 0, T ra ctio n /Ill, Te m­II.
1111 pa sse nger car ti res must conform to Federa l
Safe ty Hcquirem ents in additi on t o grade s.
Tr ead wea r
The
specifi ed gov­
ernme nt test course .
F or examp le ,
tir e g raded 150 wou ld wea r on e
and one half (11 /2) tim es well on govern­
me nt course as a tire graded IOO.
T he re lat ive perfor mance of tires depend s up on
th e act ual co nditions of the ir use, however. and
m ay depa rt sig nifi cantl y from th e no rm du e to
va riat io ns in dri vin g ha bits, se rvice practic es
a nd diff ere n ces in road chara cte ri sti cs and cli­
grade s, from hig hes t to lowes t. are
AA . and C. Those grade s re pr ese nt the tir e's
a bilit y to stop on pav ement as m easure d
under controlled condit io ns on spec ified gov ­
e rnment
surfa ces of asp halt and concret e. A
ti re m ark ed C ma y ha ve poor tracti o n perfo r­
64 Checking and Filling
• in sta llin g new tires, be c are ful no t t o
dam age the va lves o r sensor s.
• Never drive witho ut the va lve ste m cap. Th e
va lves a nd senso rs
get dama ged.
• I f
sensors must be rep la ce d, th e
va lve must likew ise be re pla ced sa m e
tim e.
c£> Fo r the sak e of environment
Di sp ose o f o ld tires in accordan ce wit h th e loca l
r e qu ire m ent s. Tempe rat ure
The 1e111pem111re grades are A (the hi ghes t), B. an d C. represen ting th e tir e's to the
gene ration of heat and its abi lity 10 di ss ipat e tes te d und er contro lled co ndi tions
on a spcci f'ied indoo r lab oratory te st w heel.
Sus tained hig h tempera ture ca n cause
mate­
r ial of the lir e to deg enerat e and re du ce lire life,
and excess ive te mperature can lea d to sudd en
tir e
The C co rresponds to a leve l of perfor­
m an ce whi ch all pa sseng er car tires mu st m eet
un der the
Motor V ehi cle Sa fe ty Standard
No. G rad es and A re pres ent higher lev els
of pe rfo rm ance on the laboratory w heel
th an minimu m re quir ed by law.
WA RNING
The trac t ion gra de ass igned to thi s tire is base d
on stra ig ht-ah ead brak ing tra ctio n t ests, and
d ocs not i nclude acceleration, corn erin g, hy­
d ropla ning or peak tracti on cha racter is ti cs.
WARNING
Th e te m pera ture gra de fo r thi s tire is es ta b ­
li sh ed for tir e th at is proper ly in fl ated and
not overloaded. Excess ive spee d, und crinfl a­
tion , or excess ive load ing, eith er separate ly or
in com binati on, ca n ca use hea t bu ildup and
po ssible tir e fa ilur e.