Choos ing and ma inta in ing your tyre s

T h e on ly con tact you r veh ic le h as w ith th e road is th rou gh its tyres. T h e total tyreT h e on ly con tact you r veh ic le h as w ith th e road is th rou gh its tyres. T h e total tyre

con tact area for an ordin ary car is often little m ore th an th e size of an A4 sh eet ofcon tact area for an ordin ary car is often little m ore th an th e size of an A4 sh eet of

paper. It is th erefore essen tial you h ave th e correct tyres fitted an d th ey are in flatedpaper. It is th erefore essen tial you h ave th e correct tyres fitted an d th ey are in flated

to th e correct pressu re. T h ey m u st also be roadw orth y an d regu larly in spected forto th e correct pressu re. T h ey m u st also be roadw orth y an d regu larly in spected for

dam age an d w ear as it is th rou gh th e tyres th at you are able to accelerate, brake,dam age an d w ear as it is th rou gh th e tyres th at you are able to accelerate, brake,

corn er an d steer safely . G et m ore free h elp an d advice w h en you corn er an d steer safely . G et m ore free h elp an d advice w h en you join th e C lu bjoin th e C lu b ..

The type and s iz e o f tyre s f it te d w il l have been ca re fu l ly s pe cif ie d by the veh icle manufa cture r to

take a ccount o f the veh icle and it s load ings . The tyre s s hou ld be ab le to grip the road surfa ce in

mos t w ea the r cond it ions and d is s ipa te the hea t produced a s they f le x w hen moving a t s peed.

Need le s s to s ay, heavy demands a re p la ced on them and they a re a key s a fe ty component o f

your veh icle .

S tructu reMode rn tyre s typ ica l ly fe a ture a rad ia l type s t ructure , a lthough the much le s s common cros s -p ly

ve rs ion s t i l l e xis ts . Bo th te rms re fe r to the tyre 's in te rna l s t ructure and the tw o type s o f tyre a re

qu ite d iffe rent and they behave d iffe rent ly unde r load . It is an o ffe nce to m ix rad ia l and cros s -p ly

on the s am e axle .

Cros s -p ly tyre s a re no longe r w ide ly ava i la b le s o w hen a rep la cement is re qu ired rad ia ls may

have to be f it te d . How eve r, you can on ly us e tube le s s rad ia l-p ly tyre s i f the w hee l is one o f the

sa fe ty rim type , w hich have a hump o r f la t le dge on the oute r bead s ea t .

O lde r ca ravans , ove r 25 yea rs o ld , may no t have s a fe ty rims . In the se ca se s it may be pos s ib le

to f it rad ia l tyre s w ith an inne r tube . No t a l l rad ia l-p ly tyre s a re s u itab le s o consu lt a tyre

spe cia l is t .

D ATA SH EET#15 Tyres and Tyre C are#15 Tyres and Tyre C are #15

A wo rn o u t w in ter tyre

T readMos t tyre s s upp l ie d in the U K a re a s ummer tyre , w hich

a re opt im is ed fo r us e in w a rm months and w il l pe rfo rm

w e ll e nough in m os t cond it ions . Fo r those w is h ing to

t rave l furthe r a f ie ld o r l ive in coo le r pa rts o f the U K

the re a re a ls o a l l-s e a son and w inte r tyre s to choose

from .

An a l l-s e a son tyre t rie s to a ch ie ve e ve ryth ing - o ffe ring

rea sonab le pe rfo rm ance in co ld , s now y, w a rm o r w e t

cond it ions - a ta l l o rde r fo r any tyre . They have a p la ce

in the ma rke t but app l ica t ions can be qu ite l im ite d .

To cope w ith s now cove red roads , the pa t te rn is opt im is ed to grip on the s o ft s urfa ce by

provid ing open gripp ing edge s and a ls o to t rap sma ll amounts o f the s now w ith in the pa t te rn.

Th is s now then adhe re s to the s now on the road surfa ce – s now grips to s now . Th ink o f ro l l ing a

snow ba ll ove r a s now cove red law n, the ba l l ge ts b igge r and b igge r.

The t re ad rubbe r prope rt ie s a re mod if ie d s o tha t they a re le s s s ens it ive to tempe ra ture change .

Standa rd s um m er tyre s be come ha rde r a s the ambient tempe ra ture p lumme ts , w he rea s a w inte r

tyre t re ad rubbe r rema ins compliant a t tempe ra ture s be low 7C and hence keys into the road

surfa ce gene ra t ing be t te r g rip .

Tyre s ma rked M+ S (but no t ca rrying the s now fla ke mot if) a re no t cla s s ed a s fu l l w inte r tyre s . The

M+ S s tands fo r m ud and snow o r s lush, w hich ind ica te s they have a t ra ct ion type t re ad pa t te rn

and a lthough they may g ive bene fit s w hen f it te d on the driven axle o f a ca r, they w il l o ffe r l i t t le

bene fit i f f i t te d to ca ravans . No te : A l l w inte r tyre s tha t ca rry the s now fla ke mot if a re a ls o

marked M+ S, but no t a l l tyre s ma rked M+ S a re ma rked w ith the s now fla ke .

In many A lp ine and Scand inavian count rie s , tyre s w ith a t le a s t a M+ S ra t ing a re compuls o ry

through the w inte r months e ven fo r tempora ry fo re ign vis ito rs . Th is is a ls o be com ing an

increa s ing t rend a cros s cent ra l Europe and the re may be lo ca l law s d icta t ing a m in imum t re ad

depth fo r w inte r tyre s . The la t te r va rie s be tw een count rie s but it is w o rth no t ing tha t a w inte r

tyre canno t pe rfo rm prope rly on snow once the t re ad is be low about 4mm, s o che ck w ith the lo ca l

touris t boa rd w ha t the l im its a re and a ls o w he the r s now cha ins a re compuls o ry equ ipment . In

s imp le te rms the ru le is tha t tyre s mus t be s u itab le fo r the road and w ea the r cond it ions .

W hen you w ea r out a pa ir o f tyre s on a ca r

o r campe rvan, pa rt icu la rly w he re the

pow e rt ra in is front w hee l d rive , cons ide r

having the new tyre s f it te d to the ba ck

axle and bring the o lde r s l ight ly w o rn re a rs

to the front . Th is w i l l then have your

new es t and be t te r pa ir o f tyre s on the re a r

axle w he re they can cont ro l the veh icle

be t te r. Th is advice is now g iven by many

tyre manufa cture rs and driving

o rgan is a t ions and it is cons ide red good

pra ct ice to f it your be s t tyre s to the ba ck

axle . A lw ays consu lt the veh icle handbook

though, a s s om e m anufa cture r re commenda t ions may d iffe r from tha t de s cribed above , fo r

e xample s om e a l l-w hee l d rive veh icle s need the tyre s to be ro ta ted pe riod ica l ly to keep the w ea r

even.

W ha t is de s cribed a s a w inte r tyre is one tha t p rovide s h ighe r le ve ls o f g rip on ice and a ls o on

co ld , w e t o r dam p road surfa ce s . As a re su lt they provide h ighe r le ve ls o f g rip on snow . W inte r

tyre s a re ma rked on the ir s idew a ll w ith a s now fla ke mot if ins ide the out l ine o f a mounta in peak

(p ictured above ). They a ch ie ve the ir pe rfo rmance by a combina t ion o f a ded ica ted t re ad pa t te rn

and spe cia l is e d t re ad rubbe r type .

The t re ad pa t te rn is a key pa rt o f a tyre and can be opt im is ed in many d iffe rent w ays , fo r

e xample to d is pe rs e w a te r, a s s is t in re ducing ro l l ing re s is tance fo r fue l e conomy o r to grip on

s l ippe ry o r loose s urfa ce s .

Load an d speedA ll tyre s a re ma rked w ith a s e rie s o f code s to te l l you the maximum load they can ca rry and the ir

maximum speed ra t ing .

Many veh icle s a re equ ipped w ith tyre s w ith a s peed ra t ing cons ide rab ly h ighe r than the le ga l

l im its - i f a s peed ra t ing is low e r than the le ga l l im it then the tyre 's l im it ta ke s pre cedent . No te :

A tyre 's s peed s ymbo l is a ls o an ind ica to r o f it s pe rfo rmance unde r co rne ring , a cce le ra t ion and

braking .

Veh icle tyre s a re o ften s upp l ie d w ith a load ca rrying capacity in e xce s s o f the maximum

pe rm it te d fo r the cha s s is . Ra the r l ike having a h igh s peed ra t ing , th is is a us e fu l s urp lus capacity

to have . W hen you a re looking fo r re p la cement tyre s s e ek advice from the supp l ie rs , and avo id

go ing to a low e r s peed o r load index un le s s you a re s ure the tyre s can s t i l l cope w ith your

demands . Taking a tyre beyond it s w e ight l im it is ove rload ing w hich rende rs the veh icle i l le ga l

and po tent ia l ly unsa fe .

Ca ravans do no t gene ra l ly us e s pe cia l t ra i le r tyre s , they a re o ften the s ame a s those used on

l ight com mercia l veh icle s .

Loa d a nd spe e d (continue d)

The h ighe s t s peed a l low ed fo r tow ing in th is count ry is 60mph but can be h ighe r in s ome o the r

count rie s . The w e ight o f a mo to rhome d icta te s the s peed l im its tha t s hou ld be adhe red to .

O lde r ca ravans may have been o rig ina l ly s upp l ie d w ith tyre s tha t on pape r w e re unde r-ra ted ,

w hich is due to s ome th ing know n a s the bonus load, w he re a tyre 's load capacity may be

increa sed by 10 pe r cent w hen the s peed w as re s t ricte d to 62mph.

If the bonus load is ta ken into cons ide ra t ion then a tyre w ith a load index o f 80 (450kg pe r tyre )

can ca rry 900kg p lus ten pe r cent bonus load making a maximum to ta l o f 990kg - s ub je ct to a

s t rict m axim um speed o f 62mph. Fo r s a fe ty re a sons the ca ravan indus t ry ha s moved aw ay from

th is p ra ct is e and it 's qu ite common to f ind a mode rn toure r runn ing h ighe r load capacity tyre s

w he re the maximum te chn ica l ly pe rm it te d laden mas s (MTPLM) o f the ca ravan doe s no t e xceed

90 pe r cent o f the combined tyre s - load capacity.

T yre pressures

Ex amp le o f a punctu recaus ed by a s crew

The punctu re repaired

It is the a ir p re s sure ins ide the tyre tha t s uppo rts the load and the re fo re in f la t ion pre s sure s a re

d icta ted by the load upon the tyre . Y ou w il l f ind the re commended tyre pre s sure fo r your

moto rhom e , ca ravan o r t ra i le r in the ow ne r's manua l. Y ou shou ld a lw ays adhe re to the pre s sure s

g iven in your handbook.

A lw ays che ck pre s sure s w hen the tyre is co ld a s the pre s sure w il l ris e rap id ly a fte r on ly a few

m ile s due to the hea t gene ra ted . U nde r-in f la ted tyre s a re a ma jo r conce rn, a s they can ove rhea t

in ope ra t ion and in the w o rs t ca s e s cena rio fa i l . O ve r in f la t ion can cause a poo r o r uns tab le ride

and uneven w ea r cha ra cte ris t ics . O ve r in f la ted tyre s a re a ls o more prone to impact damage a s

they a re le s s ab le to abso rb road shocks .

Gene ra l ly, tyre pre s sure s fo r ca ravans and t ra i le rs a re h ighe r than w hen the s ame tyre is us ed on

a ca r, w hich re f le cts the h ighe r load p la ced upon them . Mo to rhomes may have d iffe rent a xle

loads from front to ba ck and the re fo re the tyre pre s sure w il l ne ed to be ad jus ted to s u it , the

chas s is handbook shou ld o ffe r gu ide l ine s .T ra i le r w hee ls a re no rma lly sma lle r than those found on

ca ravans and ca rs and o ften requ ire h ighe r pre s sure s to enab le them to s uppo rt the w e ight on

the axle .

If the requ ired tyre pre s sure e xceeds 60ps i then a h ighe r

spe cif ica t ion va lve w il l be needed (mos t commonly one w ith a

me ta l s tem and h igh pre s sure va lve cap). It is impo rtant to te l l the

supp l ie r o f a new tyre the ope ra t ing pre s sure s o the co rre ct va lve

is f i t te d .

Ca r manufa cture rs o ften advis e ra is ing tyre pre s sure s w hen

ca rrying a fu l l load , pa rt icu la rly on the re a r axle . La rge SU V-type

veh icle s m ay no t need a s ign if icant tyre pre s sure change w hen

tow ing but m ore convent iona l ca rs may w e ll need an incre a se a s the load on the h it ch can be

qu ite s ign if icant . Th is in fo rma t ion s hou ld be on the ca r s omew he re (s ee be low ).

If you a re unsure w ha t pre s sure s your ca r tyre s s hou ld be , conta ct the tyre o r veh icle

manufa cture r. In the absence o f any s pe cif ic tyre pre s sure re commenda t ions fo r tow ing, in f la te

the re a r axle tyre s to be tw een four to s e ven ps i above the maximum spe cif ie d in the veh icle

handbook, how eve r do no t e xceed the tyre 's maximum in f la t ion l im it , ident if ie d on the s idew a ll

o f the tyre .

If you intend tow ing a t the h ighe r s peed l im its pe rm it te d abroad then you may need to ad jus t

the tyre pre s sure s on your un it and reduce the tyre load ing (s ee Load and s peed s e ct ion, page

2). I f in doubt , che ck w ith your t ra i le r manufa cture r o r tyre s pe cia l is t .

T yre careY ou re a l ly can 't che ck your tyre s too

o ften. A lw ays che ck them be fo re

each long journey and g ive the tyre s

a vis ua l inspe ct ion and che ck the ir

pre s sure s a t le a s t once a month.

W hen do ing s o , look fo r cra cks , cuts ,

bu lge s on o r d is to rt ion o f the t re ad

and bo th s idew a lls , and be sure to

remove any s tone s and o the r debris

Th is tyre's s ho wing s igns o f ag ing

t rapped in the t re ad. W ipe o ff any o i l , g re a se o r fue l. I f you d is cove r uneven w ea r, th is o ften

sugge s ts a fau lt in the veh icle 's s uspens ion geome try, s o s e ek pro fe s s iona l advice a s to the

cause s .

If you have a puncture then repa irs s hou ld be ent rus ted to a s pe cia l is t . Ho le s s hou ld be p lugged

and pa tched to comply w ith the la te s t e d it ion o f B rit is h Standa rd BS AU 159, and inne r tube s

shou ld neve r be used a s a repa ir me thod.

It is ra re to w ea r out the t re ad on ca ravan o r t ra i le r tyre s a s they gene ra l ly do no t do the s am e

m ile age and a re no t s ub je ct to the s ame a cce le ra t ion and s te e ring loads o f a ca r's tyre s .

Tyre s have ag ing inh ib ito rs w ith in the ir compound, but fo r the se to w o rk co rre ct ly hea t from

frequent us e is re qu ired , s o pa radoxica l ly the la ck o f a ct ivity o ften e xpe rie nced by a touring

un it ’s tyre s age s them fa s te r. Th is is made w ors e by ground le ve l po l lu t ion, u lt ra vio le t l ight and

sa lt s pray. Thus a ca ravan s to red a t a s unny s ea s ide lo ca t ion w il l have rap id ly ag ing tyre s .

Cra cking o r cra z ing on the s ide ind ica te s

tha t the tyre cou ld have aged, in w hich

ca se it s hou ld be rep la ced a s s oon a s

pos s ib le . U V-re la ted ag ing may w e ll be

a cce le ra ted w hen camping regu la rly in

sunny cl ima te s .

If you can remove the w hee ls from a

ca ravan fo r a pe riod o f t ime , s to re them in

a da rk p la ce o r cove r them w ith he s s ian o r

s ome o the r brea thab le fabric (don ’t us e a

p la s t ic bag). How eve r, be fo re removing

them , che ck tha t you do no t in fringe the te rms o f any insurance cove r a s s ome po l icie s re qu ire a

w hee l clam p w hen the ca ravan is in s to rage . Y ou canno t f it a w hee l clamp w ithout a w hee l!

Ensure the va lve cap is in p la ce . Be s ide s a ct ing a s a dus t cap s ome inco rpo ra te a rubbe r s ea l

tha t a cts a s a la s t l ine o f de fence aga ins t a ir lo s s i f the va lve s ea l fa i ls .

The Cam ping and Ca ravanning C lub re commends a tyre is re p la ced a t a maximum o f s e ven yea rs

from the da te o f manufa cture , thus any ca ravan o r mo to rhome tyre tha t now has a da te code o f

thre e d ig it s s hou ld no longe r be in s e rvice (s e e Tyre age ident if ica t ion, right ). Some insurance

provide rs fo r ca ravans w il l no t cove r tyre -re la ted cla ims w hen the tyre is ove r f ive yea rs o f age

unle s s you have proo f they have been annua l ly inspe cted by a compe tent pe rs on. Rep la cement

tyre s s hou ld be ava i la b le from good tyre s upp ly companie s but it is l ike ly they w il l ne ed to be

o rde red in .

Due to the le ngthy supp ly cha in fo r tyre s and subsequent de la ys in manufa cture o f a ca ravan o r

cam pe r, the tyre may be qu ite o ld by the t ime the un it is re g is te red .

A typ ical po s t-punctu res ealan t kit

D etailed tyre in s pect io n at an annual s ervice

T yre sealan tsThe re a re tw o type s o f tyre s ea lants in the ma rke tp la ce - p re -

puncture and pos t -puncture .

The pos t -puncture type may be supp l ie d w ith a veh icle a s an

a lte rna t ive to a s pa re w hee l and can be bought a s an

a fte rma rke t a cce s so ry in the fo rm o f a f lu id and pump o r a s a

one -sho t ae roso l can. The se a re de s igned a s an eme rgency

fix, w ith a s ea l ing f lu id de l ive red through the va lve tha t w i l l

clo s e up m os t no rma l puncture s w ith in the t re ad a rea . Fo l low the ins t ruct ions s upp l ie d

clo s e ly.

P re -puncture s ea lants a re a th ixo t rop ic f lu id w ith o the r ma te ria ls in s uspens ion tha t is de l ive red

through the va lve tube w ith the co re removed. Th is f lu id coa ts the ins ide o f the tyre and w hen a

pene t ra t ing ob je ct is removed from a tyre the a ir p re s sure fo rce s the s ea lant in to the vo id

clo s ing it . The se s ea lants can be ve ry e ffe ct ive but you w on't know w ha t o the r damage ha s been

done to the tyre 's ca s ing and the se s ea lants cou ld mask a more s e ve re prob lem . Fo r th is re a son

the tyre indus t ry doe s no t gene ra l ly re commend the ir us e .

Ne ithe r pre - no r pos t -puncture s ea lants can be cons ide red a s a pe rmanent repa ir to a punctured

tyre - they a re s im p ly a means to a l low l im ited t rave l to a p la ce o f s a fe ty w he re a pe rmanent

repa ir can be ca rrie d out o r a re p la cement tyre f it te d . Cont inenta l ha s re le a sed a range o f tyre s

ca l le d Cont i-Sea l. The se a re s upp l ie d w ith the a rea on the ins ide o f the t re ad pre -coa ted w ith a

s ea lant - consu lt w ith your lo ca l Cont inenta l dea le r to f ind out i f the se tyre s a re ava i la b le in a

su itab le s iz e and ra t ing fo r your veh icle .

T yre age iden tificationSince the yea r 2000 tyre age ha s been ea sy to re ad a s it is g iven in a 4-f igure d ig it - the

firs t tw o num be rs a re the w eek o f manufa cture and the s e cond a re the yea r. The e xample he re

show s a tyre made in w eek 08 o f 2007.

O lde r tyre s a re da ted s l ight ly d iffe rent ly and fe a ture a thre e d ig it code w he re the f irs t tw o d ig it s

deno te the product ion w eek and the th ird deno te s the yea r. An add it iona l t riangu la r indenta t ion

a fte r the yea r cla ri f ie s tha t it is a tyre made in the 1990s , no t riang le ma rk is a tyre from the

1980s o r e a rl ie r.

S tay ing legalIt is i l le ga l to have a t re ad depth o f le s s than 1.6mm a round the ent ire circum fe rence o f the tyre

fo r t ra i le rs and veh icle s unde r 3,500kg gros s w e ight . Veh icle s ove r 3,500kg gros s w e ight mus t

have 1m m o f t re ad depth ove r the s ame a rea . Y ou can measure the depth w ith an inexpens ive

tyre depth gauge obta inab le from mos t tyre and a cce s so ry out le ts .

Idea l ly tyre s s hou ld be changed prio r to the le ga l l im it a s w e t , co rne r and braking pe rfo rmance

d im in is he s cons ide rab ly once the t re ad depth fa l ls be low thre e m il l ime t re s .

In the U K the Road Veh icle s (Cons t ruct ion and U se ) Regula t ions s pe cify the cond it ions a tyre

mus t s a t is fy in o rde r tha t it can be le ga l ly us ed on the road - th is means the load index, s peed

ra t ing and tyre type need to be s u itab le fo r the veh icle o r t ra i le r they a re f it te d to .

S afety bandsMode rn w hee ls have s a fe ty fe a ture s de s igned to re ta in the tyre in it s in f la ted pos it ion on the

rim , but neve r the le s s a s ign if icant p re s sure lo s s can d is lodge the tyre re su lt ing in pos s ib le lo s s

o f cont ro l.

W hen the tyre de fla te s it beg ins to move a cros s the w hee l. W ith no th ing to grip it , the edge s

s l ip in to the m idd le o f the w hee l - know n a s the w e l l. The w hee l lo s e s it s t ra ct ion and you m ay

lo s e cont ro l.

The f it t ing o f a w e l l f i l le r, l ike a Tyron band (s ee be low ), may pre vent the tyre com ing o ff your

t ra i le r o r ca ravan and he lp you to come s a fe ly to a ha lt . The band f it s in the w e l l o f the w hee l s o

w hen the tyre de fla te s the band pre vents the tyre from fa l l ing into the w e l l. The tyre rema ins on

the rim a l low ing the de fla ted tyre to fo rm a cush ion be tw een the w hee l and the road surfa ce .

The e ffe ct ivene s s o f the se bands is w e l l e s tab l is hed and many insurance companie s o ffe r

d is counts on prem iums if you have a s e t f i t te d . Tyron bands requ ire s pe cia l is t too ls to remove -

s ee be low .

Portable T yron band too lThe device s how n is a po rtab le Tyron f it t ing too l. It is l ight and compact enough to be

ca rrie d w ith the w hee l chang ing too l kit . It ha s been made in re sponse to the comments

tha t in s ome count rie s s a fe ty bands a re unhea rd o f and tyre s hops do no t have the

appropria te equ ipm ent to fo ld the tyre ba ck to re f it the bands .

R etreadsIn no rma l us e the t re ad o f a ca r tyre w il l w ea r w hile the tyre ca s ing o r s t ructure gene ra l ly

rema ins in good cond it ion. A re t re ad is a tyre tha t ha s had a new t re ad app l ie d to the ca s ing .

The re is no re a son w hy you shou ld no t us e a re t re aded tyre on a ca ravan o r t ra i le r - in the pa s t

they w e re to be m ade to the B rit is h Standa rd BS AU 144. It is a le ga l re qu irement tha t re t re ads

mus t be m a rked w ith the w o rds Remould o r Re t re ad, the B rit is h Standa rd numbe r and the

maximum speed pe rm it te d deno ted by the s peed s ymbo l.

Since 2004 re t re ads have been sub je ct to European regu la t ions ECE 108 fo r ca r tyre s and ECE

109 fo r com mercia l veh icle s , and w il l be -E- ma rked to s how compliance .

Many re t re ads a re made to s pe cif ica t ions tha t may e xceed B rit is h Standa rds - but no t a l l . Be

aw a re tha t the re a re uns crupu lous dea le rs about . Tha t s a id , good re t re ads can be cheape r than

new tyre s and shou ld pe rfo rm equa l ly a s w e l l .

N ew tyre labellingSince Novem be r 2012 tyre in fo rma t ion labe ls have

been com puls o ry in the EU . The labe ls a re to be vis ib le

to the consum e r a t the po int o f s a le and in a fo rma t

tha t is w e l l unde rs tood from previous labe l l ing

s chemes (s im ila r to those used on w hite goods s uch a s

w ash ing m ach ine s and re frige ra to rs ).

The in fo rm a t ion is no t e xhaus t ive a s on ly fue l

e ff icie ncy (ro l l ing re s is tance ), w e t braking pe rfo rmance

and e xte rio r no is e em is s ions a re cove red, but e ven

w ith th is l im ite d da ta a purchase r w i l l be ab le to make

an in fo rmed cho ice more qu ickly than be fo re . The

spe cia l is t automot ive pre s s w il l rema in the prima ry

source o f in-depth te s t ing fo r the more d is ce rn ing

consum e r.

W inte r tyre s a re s ub je ct to the s ame te s ts a s s ummer

tyre s and the re su lt s on the se a re more d iff icu lt to

inte rpre t . In an idea l w o rld the re w ould be a ded ica ted te s t and labe l l ing s ys tem fo r them , but

Tyre fit ted w ith a tyrep res s u re mo n ito ring s ys tem

C lo s e up o f the T PMSs ens o r

th is is no t ye t a va i la b le .

T yre pressure m on itoring system sTyre pre s sure monito ring s ys tems (TPMS) w il l be come compuls o ry on a l l new ca rs s o ld from

Novembe r 2014 onw a rds . A t th is t ime the re 's no p lan to in t roduce such te chno logy fo r t ra i le rs s o

any kit s a re to be found in the a fte rma rke t .

The se s ys tem s a re ve ry use fu l a s they in fo rm the drive r o f the tyre pre s sure , and w ith s ome

sys tem s tyre tempe ra ture , in a lmos t re a l t ime .

Look fo r a s ys tem tha t is compla int w ith ISO 21750, the d is p la y device mus t be ab le to be

mounted w he re it can view ed from the drive r's s e a t , bo th aud ib le and vis ib le w a rn ings to be

g iven w hen a tyre ha s gone outs ide the pre -de te rm ined pa rame te rs and the re s hou ld be a

w a rn ing g iven w he re a fau lt is de te cted o r w he re the re is a low ba t te ry.

The s enso rs themse lve s s hou ld be d ire ct re ad ing and the re a re tw o type s . Inte rna l s enso rs can

on ly be re a l is t ica l ly f i t te d by a tyre f it te r, and it is a ls o impo rtant to cons ide r the ir ba t te ry

endurance .

Exte rna l s enso rs rep la ce the va lve cap and can be ins ta l le d and the ba t te ry e a s i ly s e rviced by

the use r.

Compact and s pa ce -s ave r s pa re w hee ls w i l l be d is cus sed in our fo rthcom ing w hee ls Da ta shee t .

If you ha ve fe e dba ck on our ne w forma t Da ta she e t, p le a se le t us know , using our short

Fe e dba ck Form.

W eb :W eb : The Camping and Ca ravanning C lub

Greenf ie lds House , W estw ood W ay , Covent ry CV4 8JH

Tel:Te l: 024 7647 5442

W eb :W eb : TyreSa fe

Tel:Te l: 01787 226995

W eb :W eb : Tyron (Sa fe ty bands and TPMS)

Tel:Te l: 0845 4000 600

W eb :W eb : Tyrepa l (TPMS)

Tel:Te l: 01543 870170

W eb :W eb : Tra i la ir (t ra i le r TPMS)

Tel:Te l: 0845 676 9774

W eb :W eb : Cont inenta l Tyre s (Cont is e a l tyre and pos t -puncture s ea lant )

Tel:Te l: 01895 425900

C o ntactsC o ntacts