Cooling System; Header Tank Cap - Lotus Evora 2010 Owner's Handbook Manual

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coolino
Svstem
Ihe;nqiae
coolinq svslem Lses
a
heaoertank toe,rsure
lhal
the
svste;.emains
compretely
filled
and also lo
accofmodate
exDa;sion of
lhe
coolanl whh :nc'easing
engi'e tFmperaiu€
it .
Lanr is
mou
nteo
at
tne
letl hand
srde of
the
engire
oay
and
is
titiea
with a
to8
t<pa
(1s psi) pressure cap to raise the boiling
point
oflhe coolantto
ovet
250'F (120'C)
EMEilI[q
.
Do
NOT
attempt
to
remove
the pressure cap from the
hsadertankwhentheengine iswarm
as
sedous
scalding
could
resultfrom boiling
watea
and/or
steam
'
ioolant
is
hazardous
toyour
health
and
to animals
and
mav
be
fatal if swallowed.
'
Ke;D
coolant out
of reach of
children'
.
Cb;n
up
spillages
and
do
not leave in
open containers
The level of coolant
in
lhe
trcnslucent header tank
will
rise
as the enoine
warms up, and
rall
as it cools
down
and undet
normal
c
icumstances
t
should not
be
necessary to add
any
coolanttothe
system between
seruices
lf
overfilled,
the
excess
"".i"ni
*
r
o.
'.j"d"a *i'en
ihe
engine
is
warm
lf underfilled
overheatrnq
maY
result
-
l"
"
o,e,_"*tion,
*e.v
*€ek
when the engine
is
fu'lv
COLD
ano oniy wnen tl,e car
is
s
landing
on
a
complelely levFl
sulace
remove
the engine
coverand
wilhoul
oistu{ing
i"e
prcss'1rc
cao
.r'".1i".
revi
or
coorarl
in
lhe lmnslucenl
neader
tank
lhe
maximum recommended
cold
levelis
3/8 inch
(1omm)belowthe
hoizontal
moulded
seam running
aound lhetank,
with the
lowesl
acceptable level
being
1
inch
(2tnm)
below the seam
lflopping
up is requircd, ensure that the
coolant
is
fully cold
before slowly
unscrewng
the
fillercap
and allowing any
remar+
ing pressurc to escape before
llnally
removing the cap.
ln
order
to
maintain protection from freezing damage
a.d
melal coffosion,
use
only an
approved coolant mixture
(see
below)totop
up
the header
lan
k
to
the 'full'
level
Refit
the cap,
and
iurn
clockwise
until
the tab on the cap engages
a
detent
at
which position an abutment ptevents any
oveFlightening.
IEEEE
tf
tne
cap ls
removed when {he
engine
is warm, the
coolant
may boil and a
smallcoolanl
loss may
occur
The
com-
plelely
cold
header
tank
level should be checked at the
iirst
subseque.t
oppottunity.
Coolirg Fans:
Two
cooling fans
are
litted
above th€
fiont mounted
radiator in the a;r outlet duct and
will
run at either
half
or full
speed,
dep€ndanion
coolanl lemperalure
and ait conditioning
system
demands,
The fans will
also
run as a
protection
meas-
ure, if the on-board diagnostic sysiem identifies c€rlain types
of engine
faull.
ln
addition to the
radiatorfans.
a
furtherfan
is
lltted
over the
right hand
rcarwheelarch to
help
controlair
temperature
within
lhe
engine
bay-
This fan may
be
triggered any time the vehicle
is stationary,
with engine
idling
or
stopped,
dependent
on
cool-
ln
orderfutherto
conirol
heat soak
€ffecls afterengine
shut
down,
a
coolant
re-chculation
pump
may
be
head
running,
possibly supplemented by the cooling fans, anytime during
a
10
minute period
afte.
switching off the igniiion.
AtlTEGNNEI
Keep hands,
tools and clothing
away
from
the radiator
o.
engine bay
cooling fan
areas,
as personal
injury could
result from
the
fans
staning
up
withoutwarning,
even
with
the
ignition
oft
At servjce
inlervals,lhe
air
duci and mairices
ofthe
engine
cooling
€diatorand
a.c.
condensershould
be
checked exlernally
forcloggingbyinsecls, leavesorotherd€bris,and
if
necessary,
a
water
jet
used
to clear
the
finning.
Take
care
not
to
damage

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