Seat Leon 1M. Service Manual

-------------------------------------------------------------------------------------------------------------------------------------------------------------

2.94

––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

DRIVING

HANDLING INSTRUCTIONS

n tth

e v

hiic

clle

e iis

s s

stta

attiio

arry

y a

a g

arr iis

s e

d,, tth

e tth

hrro

ottttlle

stt n

ott b

e o

d iin

errtte

nttlly

n a

y a

ntt ((ffo

orr iin

stta

e b

d ffrro

m tth

e e

giin

e c

arrtt--

ntt)).. O

Otth

errw

wiis

e tth

e v

hiic

clle

e w

wiillll

e iim

diia

atte

elly

y –

– e

n iiff tth

d b

brra

e h

s b

n ffu

ulllly

y a

plliie

d..

effo

orre

e w

orrk

kiin

g o

n tth

e v

hiic

clle

e w

wiitth

tth

e e

giin

e rru

niin

g,, a

plly

y tth

brra

e a

d p

utt tth

e s

elle

ctto

orr

lle

err iin

n “

“P

P”

”..

viin

g o

offff

Select driving range (R

R, D

D, 3

3, 2

2, 1

1). W

aiitt

nttiill tth

e g

arrb

x h

s s

hiifftte

d a

d tth

err ffllo

w iis

s m

e tto

o tth

e d

drriiv

viin

ells

s (light selection jerk perceptible).

n o

e c

n a

elle

erra

atte

e..

Stto

piin

When  the  vehicle  is stopped  for  a  short
period,  for  example  at traffic lights,  it is
only necessary to  apply the  brakes.  It is
not necessary to  move  selector  lever  to
“N

N”. The engine should however only be

running at idling speed.

arrk

kiin

arrn

niin

o p

prre

ntt tth

e v

hiic

clle

e ffrro

m rro

olllliin

y iin

errtte

nttlly

y,, y

u s

ulld

allw

s a

plly

y tth

e h

brra

e ffiirrm

mlly

n tth

e v

hiic

clle

e h

s c

e tto

o tth

plle

ette

e s

stto

p.. A

Alls

o p

plla

e tth

e g

arr

elle

ctto

orr lle

err iin

n p

siittiio

n “

“P

P”

”..

On  a  gradient the  handbrake  should  be
applied  firmly first and  then  the  parking
lock engaged.  This will ensure  that the
locking  mechanism  is not too  heavily
loaded  and  makes the  lock easier  to  dis-
engage.

w s

stta

arrttiin

Vehicles with an automatic gearbox can-
not be started by towing or pushing the
vehicle. See "Tow start/towing" chapter.

When  the  battery is flat,  the  engine  can
be  started  from  the  battery of another
vehicle  by using  jumper  cables.  See
“Emergency starting”.

wiin

If a vehicle must be towed instructions in
the "Tow start/towing" chapter must be
followed strictly.

-------------------------------------------------------------------------------------------------------------------------------------------------------------

2.96

–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

DRIVING

HANDLING INSTRUCTIONS

brra

To  apply the  handbrake  pull lever  up
firmly.  On  hills the  1st gear  or  with  auto-
matic gearbox the  parking  lock should
also  be  engaged.  The  handbrake  should
always be  applied  so  firmly that it is not
possible  to  drive  inadvertently with  the
handbrake on.

When handbrake is applied with the igni-
tion on, the brake warning lamp comes
on.

To release handbrake, pull lever up
slightly, press locking knob (arrow) in and
push lever right down.

arrn

niin

•

o p

prre

ntt tth

e v

hiic

clle

e ffrro

rro

olllliin

g a

y iin

errtte

nttlly

y,, y

ulld

d a

allw

s a

plly

y tth

e h

d--

brra

e ffiirrm

mlly

y a

afftte

err tth

e v

hiic

clle

e h

e tto

o a

a c

plle

ette

e s

stto

p..

u s

ulld

d a

alls

o p

utt tth

e c

arr iin

ntto

arr ((m

all g

arrb

x)) o

orr tth

e g

arr

elle

ctto

orr lle

err iin

n p

siittiio

n “

“P

P”

”

((a

utto

attiic

c g

arrb

x))..

•

Plle

e n

otte

e tth

att tth

e h

brra

stt b

e rre

elle

d c

plle

ette

elly

y a

afftte

err

plliic

attiio

n.. IIff tth

e h

brra

e iis

nlly

y p

arrttlly

y rre

elle

d iitt c

ulld

d lle

tto

o o

errh

attiin

g o

off tth

e b

brra

s a

tth

s n

attiiv

elly

y a

affffe

ctt tth

e ffu

cttiio

off tth

e b

brra

e s

stte

m.. T

hiis

s c

ulld

alls

o lle

d tto

o p

prre

attu

urre

e rre

arr b

brra

lliin

niin

g w

arr..

TO8-029

-------------------------------------------------------------------------------------------------------------------------------------------------------------

DRIVING

2.97

HANDLING INSTRUCTIONS

IIg

niittiio

n llo

Elle

cttrro

niic

c e

giin

e b

bllo

When  switching  ignition  on  vehicle  and
key automatically compare  data.  This is
displayed  by a  pilot light in  the  dash-
board. See “Warning lamps” chapter.

If the wrong (i.e. false) key is used, the car
will not start and the immobiliser pilot
light will come on.

ettrro

oll e

giin

1 –

– IIg

niittiio

n a

d e

giin

e s

wiittc

d o

offff::

Stte

erriin

g c

n b

e llo

d..

2 –

– IIg

niittiio

n o

3 –

– S

Stta

arrttiin

g e

giin

Diie

ell e

giin

1 –

– F

ell s

plly

y c

utt o

offff a

d e

giin

wiittc

d o

offff::

Stte

erriin

g c

n b

e llo

d..

2 –

– G

Gllo

w p

pllu

s /

/ n

orrm

all rru

niin

siittiio

To avoid unnecessary strain on the bat-
tery, do not use any other major electrical
equipment while the glow plugs are pre-
heating.

3 –

– S

Stta

arrttiin

g e

giin

orr a

allll v

hiic

clle

s::

siittiio

n 1

1::

To lock the steering wheel withdraw the
key and turn the wheel until you hear the
pin engage.

In vehicles with automatic gearbox the
key can only be turned to position 1

1 and

withdrawn when the selector lever is in
the “P

P” position.

arrn

niin

n v

hiic

clle

s w

wiitth

h m

all g

arrb

x,,

err rre

e tth

e k

y ffrro

m tth

stte

erriin

g llo

k w

hiille

e tth

e v

hiic

clle

e iis

viin

g.. O

Otth

errw

wiis

e tth

e s

stte

erriin

ell m

y llo

k u

ctte

dlly

y..

siittiio

n 2

2::

If the key is difficult to turn in the lock,
move the steering wheel until the key
turns freely.

siittiio

n 3

3::

Before the starter can be operated a sec-
ond time the key must be turned back to
position 1

1. This prevents the starter motor

from engaging while the engine is run-
ning, as this could damage the starter.

IIg

niittiio

n k

y llo

On  vehicles with  an  automatic gearbox*
after  switching  off the  ignition  the  igni-
tion  key can  only be  withdrawn  if the
selector lever is in the “P

P” position.

When the ignition key has been with-
drawn the selector lever is locked in this
position.

B8D-005

-------------------------------------------------------------------------------------------------------------------------------------------------------------

2.98

DRIVING

HANDLING INSTRUCTIONS

Stta

arrttiin

g tth

e e

giin

erra

all n

otte

arrn

niin

n rru

niin

g tth

e e

giin

e iin

n c

n--

ffiin

d s

s tth

erre

e iis

s a

a d

err o

off

oiis

niin

g..

•

Before starting, move gear lever to neu-

tral (with automatic gearbox, selector
lever in “P

P” or “N

N” position) and apply

handbrake firmly.

•

On vehicles with a manual gearbox

depress the clutch pedal when operating
starter so that starter only has to turn
engine.

•

As soon as engine starts, release the

ignition key so that starter can disengage.

•

After starting a cold engine it may

sound noisy for a moment or two because
the oil pressure has to build up in the
hydraulic tappets first. This is normal and
no cause for alarm.

❀

o n

ott w

arrm

m tth

e e

giin

e u

p b

rru

niin

g iitt w

n tth

e v

hiic

clle

e iis

s s

stta

a--

ttiio

arry

y.. B

giin

n d

drriiv

viin

g tth

e v

hiic

clle

e a

n a

s p

siib

blle

e..

•

Do not over-rev or use full throttle until

the engine has reached the normal oper-
ating temperature.

•

n v

hiic

clle

s w

wiitth

h a

a c

atta

ally

yttiic

c c

n--

errtte

err tth

e e

giin

e m

stt n

ott b

e s

stta

arrtte

y tto

wiin

g tth

e v

hiic

clle

e iin

n e

s o

off

0 m

m.. O

Otth

errw

wiis

e u

urrn

d ffu

ell c

s iin

ntto

o tth

e c

errtte

err a

d lle

d tto

e..

•

effo

orre

e tto

w s

stta

arrttiin

g a

n e

giin

e,, a

atttte

ptt s

ulld

d b

e m

e a

att u

siin

g tth

atttte

erry

y o

off a

otth

err v

hiic

clle

e a

s s

stta

arrttiin

ellp

p.. S

e "

Stta

arrttiin

g h

ellp

" c

ptte

err..

ettrro

oll e

giin

These  engines are  equipped  with  a  petrol
injection  system  that automatically sup-
plies the  correct fuel/air  mixture  at all
ambient temperatures.

When engine iis

s c

olld

d o

orr a

att o

erra

attiin

tte

erra

attu

urre

e do n

ott accelerate before or

during the starting procedure.

If the engine does not start at once, stop
using the starter after 10 seconds. Wait
about half a minute and then try again.

If the engine does still not start, this may
be due to a blow out of the electric fuel
pump fuse. See "Fuses" chapter.

When the engine iis

s v

erry

y h

ott it may be

necessary to accelerate slightly after the
engine has started.

-------------------------------------------------------------------------------------------------------------------------------------------------------------

DRIVING

2.99

HANDLING INSTRUCTIONS

Diie

ell e

giin

Gllo

w p

pllu

g s

stte

After  switching  to  the  driving  position
(ignition  on)  the  required  glow  plug
warm-up  time  is indicated  by a  lamp
which is controlled by the coolant temper-
ature. See “Warning lamps” chapter.

Stta

arrttiin

g a

a c

olld

d e

giin

Ambient temperature above +5 °C:

The engine can be started without pre-
glow. Do not depress throttle during the
starting procedure.

Ambient temperature below +5 °C:

•

Turn the key in the ignition lock to posi-

tion 2

2 the glow plug warning lamp comes

on. It goes out when the ignition temper-
ature is reached.

hiille

e tth

e g

gllo

w p

pllu

s a

arre

e w

orrk

kiin

g d

ott s

wiittc

h o

n a

y h

y c

urrrre

ntt c

n--

errs

s b

e tth

hiis

s w

ulld

d p

plla

e a

arry

y llo

d o

n tth

e b

atttte

erry

y..

If the engine does still not start, this may
be due to a blow out of the preheating
fuse. See "Fuses" chapter.

•

When the warning lamp goes out, start

the engine immediately.

Do not depress the accelerator while
starting.

If the engine only fires irregularly, con-
tinue to operate the starter a few seconds
longer (30 seconds at maximum) until the
engine runs under its own power.

If the engine does not start, switch the
glow plugs on again and try starting it
again as described.

Stta

arrttiin

g a

a w

arrm

m e

giin

The glow plug lamp does not come on –
the engine can be started straight away.

Stta

arrttiin

g a

afftte

err rru

niin

g o

utt o

off ffu

ell

If the  tank on  vehicles with  a  diesel
engine  was empty,  starting  after  filling
with diesel fuel can take longer than nor-
mal –  up  to  one  minute.  This is because
the  fuel system  must first be  freed  of air
before starting.

-------------------------------------------------------------------------------------------------------------------------------------------------------------

2.100

–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

DRIVING

HANDLING INSTRUCTIONS

Stto

piin

g tth

e e

giin

•

alliid

d ffo

orr a

allll e

giin

s::

n tth

e e

giin

e h

s b

n s

bjje

ctte

tto

o a

a h

y e

giin

e llo

d ffo

orr a

a llo

g ttii--

e,, tth

e e

giin

e m

stt n

ott b

e s

wiittc

offff a

brru

pttlly

y.. L

ett iitt iid

dlle

e ffo

orr a

utt

2 m

miin

utte

s tto

o a

oiid

d o

errh

attiin

g..

arrn

niin

Afftte

err tth

e e

giin

e h

s b

n s

stto

tth

e ffa

n c

nttiin

e rru

niin

g ffo

orr a

hiille

e ((u

p tto

o a

utt 1

0 m

miin

utte

s)) w

wiitth

tth

e iig

niittiio

n s

wiittc

d o

offff.. IItt c

n a

alls

stta

arrtt tto

o rru

n a

aiin

n s

nlly

y a

afftte

err a

orrtt ttiim

e iiff

–

– tth

e c

olla

ntt tte

erra

attu

urre

e iin

crre

e tto

o h

att b

uiilld

d--u

–

– w

n tth

e e

giin

e iis

s h

ott a

d tth

giin

e c

arrttm

ntt iis

s h

atte

diittiio

alllly

y b

y s

sttrro

g s

nlliig

htt..

ciia

all c

arre

e m

stt tth

erre

effo

orre

e b

tta

n w

orrk

kiin

g iin

n tth

e e

giin

arrttm

ntt..

•

alliid

d ffo

orr a

allll v

errs

siio

s w

wiitth

h c

atta

ally

yttiic

errtte

err*

*::

o n

ott s

wiittc

h o

offff tth

e iig

niittiio

n w

hiille

tth

e v

hiic

clle

e iis

s iin

n m

ottiio

n w

wiitth

h a

a g

arr

d;; o

otth

errw

wiis

e u

urrn

d ffu

ell

y g

o iin

ntto

o tth

e c

errtte

err,, w

erre

e iitt

ulld

d b

urrn

n a

d c

e o

errh

attiin

g,,

hiic

h w

ulld

d d

e tth

e c

errtte

err..

-------------------------------------------------------------------------------------------------------------------------------------------------------------

DRIVING

2.101

HANDLING INSTRUCTIONS

To relieve the foot on the accelerator
pedal this system can hold any speed
above around 30 km/h constant, so far as
this is permitted by engine output.

arrn

niin

e c

crru

uiis

e c

nttrro

oll s

stte

m s

ulld

ott b

e u

d iin

n d

e ttrra

affffiic

c a

orr rro

d c

diittiio

s ((s

slliip

erry

y s

urr--

ffa

s,, a

plla

niin

g,, g

grra

ell))..

n tth

e s

stte

m iis

s s

wiittc

d o

n d

ott m

e iin

ntto

o n

uttrra

all w

wiitth

utt d

e--

prre

siin

g tth

e c

cllu

uttc

h p

all,, o

otth

errw

wiis

tth

e e

giin

e w

wiillll rra

e a

d c

n,, u

err

errtta

aiin

n c

ciirrc

stta

s,, b

e d

m--

d..

otte

On vehicles with an automatic gearbox,
the Cruise Control System is only active
when the gear selector is in position D

D, 3

or 2

2. If any other position (P

P, N

N, R

R or 1

1) is

selected while driving, the last speed to
be stored is deleted and the system is
switched off.

wiittc

hiin

g o

The system is o

erra

atte

d with the sliding

switch A

A and the press button B

B on the

turn signal/main beam lever.

The system is s

wiittc

d o

n by moving

switch A

A to O

Stto

orriin

g s

When the speed to be maintained has
been reached the press button B

B (SET)

must be pressed briefly. The foot can then
be taken off the accelerator pedal.

The  speed  can  also  be  increased  in  the
normal way with  the  accelerator  pedal.
When  the  pedal is then  released  the  pre-
viously programmed speed is resumed.

This however,  is not the  case  when  the
stored  speed  is exceeded  by more  than
10 km/h for a period of more than 5 min-
utes.  The  speed  must then  be  stored
again.

arrn

niin

e p

prro

grra

d s

d m

stt o

nlly

e rre

d w

n iitt iis

s n

ott tto

o h

hiig

ffo

orr tth

e e

xiis

sttiin

g ttrra

affffiic

c c

diittiio

s!!

Crru

uiis

e c

nttrro

oll s

stte

B8L-068

-------------------------------------------------------------------------------------------------------------------------------------------------------------

2.102

DRIVING

HANDLING INSTRUCTIONS

Alltte

erriin

g s

stto

orre

d s

ciin

ettttiin

The stored speed can be reduced by
pressing button B

By pressing button B

B briefly, the stored

speed is reduced by a preset amount. If
you press and hold the button, the speed
will decrease through automatic decelera-
tion. The speed reached when releasing
the button will be stored.

If the button is released at a speed of less
than  approx.  30  km/h,  the  memory is
deleted.  The  speed  must then,  if neces-
sary,  be  reset using  button  B

B after the

vehicle has accelerated to a speed higher
than approx. 30 km/h.

elle

erra

attiin

stto

orriin

The stored speed can be iin

crre

d with-

out depressing the accelerator by moving
the slide control A

A to R

By briefly pressing the slide control, the
speed is increased by a preset amount. If
the switch is moved to the left and held,
the speed is increased through automatic
acceleration. The speed reached when the
switch is released is then saved.

wiittc

hiin

g s

stte

m o

offff

tte

orra

arriilly

hiic

clle

s w

wiitth

h m

all g

arrb

x::

The system is tte

orra

arriilly

y s

wiittc

d o

offff

when the brake or clutch pedals are used
or when the switch A

A is moved to O

F (not

engaged).

The speed stored at this time will remain
in the memory.

To rre

e the previously stored speed

push switch A

A fully to the left after the

brake or clutch pedals are released.

arrn

niin

e p

prro

grra

d s

d m

stt o

nlly

e rre

d w

n iitt iis

s n

ott tto

o h

hiig

ffo

orr e

xiis

sttiin

g ttrra

affffiic

c c

diittiio

s..

-------------------------------------------------------------------------------------------------------------------------------------------------------------

DRIVING

2.103

HANDLING INSTRUCTIONS

hiic

clle

s w

wiitth

h a

utto

attiic

c g

arr b

x::

The system is tte

orra

arriilly

y s

wiittc

d o

offff

when the brake or clutch pedals are used
or when the switch A

A is moved to OFF (not

engaged).

The speed stored at this time will rre

aiin

in the memory.

To rre

e the previously stored speed

push switch A

A fully to the left after the

brake or clutch pedals are released.

arrn

niin

e p

prro

grra

d s

d m

stt o

nlly

e rre

d iiff iitt c

plliie

s w

wiitth

h tth

d rre

ulla

attiio

s o

off tth

att m

ntt..

Furthermore, the system will be s

wiittc

offff tte

orra

arriilly

y if the selector lever is

moved to positions N

N or 1

The speed stored in the memory at this
time w

wiillll b

e d

elle

ette

d..

Stto

orriin

g s

If no  speed  was saved  before  the  system
was temporarily switched  off or  if the
stored  speed  was deleted,  a  new  speed
can be stored in the following manner:

•

Move switch A

A fully to the left and hold

until the desired speed has been reached.
The speed is stored when the switch is
released.

orr

•

Press button B

B briefly. The current

speed is stored

wiittc

hiin

g tth

e s

stte

m o

offff

plle

ette

elly

hiic

clle

s w

wiitth

h a

a m

all g

arr b

x::

The system is c

plle

ette

elly

y s

wiittc

d o

offff

when switch A

A is moved entirely to the

right (OFF engaged) or when the vehicle is
stopped and the ignition is switched off.

hiic

clle

s w

wiitth

h a

utto

attiic

c g

arr b

x::

The system is c

plle

ette

elly

y s

wiittc

d o

offff

by selecting one of the following posi-
tions by moving the selector lever:

•

to positions P

P, N

N, R

R or 1

1..

orr

by switching the ignition off when the
vehicle is stationary.

B8L-068

-------------------------------------------------------------------------------------------------------------------------------------------------------------

nllo

kiin

g tth

e tta

k fflla

To unlock the tank flap press the button.
The unlock function only functions if the
ignition is switched off.

The filler neck is in the rear right-side
panel.

You can reach the lockable cap after hav-
ing opened the tank flap (see illustration).

The tank holds about 55 liters. In four-
wheel drive vehicles it holds 62 liters.

❀

s s

n a

s tth

e c

orrrre

cttlly

y o

erra

atte

utto

attiic

c n

zlle

e s

wiittc

s o

offff ffo

orr

tth

e ffiirrs

stt ttiim

e,, tth

e tta

k iis

s ffu

ullll.. D

o n

ott

tth

n ttrry

y tto

o p

utt m

orre

e ffu

ell iin

n b

tth

e e

siio

n s

e iin

n tth

e tta

k w

wiillll

e ffiilllle

d –

– tth

e ffu

ell c

n tth

n o

errffllo

n iitt b

s w

arrm

m..

After filling the tank, screw cap and close
tank flap until it engages. The cap is tied
to an anti-loss cord.

3.2

––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

FILLING THE TANK

TIPS AND MAINTENANCE

Fiilllliin

g tth

e tta

TO8-016

CON-009

-------------------------------------------------------------------------------------------------------------------------------------------------------------

otte

Any fuel spillage should be wiped off the
paint finish immediately, as the paint
could otherwise be damaged, especially if
it is RME (“biodiesel”) fuel.

n v

hiic

clle

s w

wiitth

h a

a c

atta

ally

yttiic

c c

errtte

err,,

err d

drriiv

e u

nttiill tth

e ffu

ell tta

k iis

s c

m--

plle

ette

elly

y e

ptty

y.. T

e iirrrre

ulla

arr ffu

ell s

p--

plly

y c

n c

e m

miis

sffiirriin

g.. T

hiis

s a

allllo

urrn

ntt ffu

ell iin

ntto

o tth

e e

stt s

stte

m,,

hiic

h c

n c

e o

errh

attiin

g a

e tto

o tth

e c

atta

ally

stt..

FILLING THE TANK

3.3

TIPS AND MAINTENANCE

-------------------------------------------------------------------------------------------------------------------------------------------------------------

In  the  chapter  “Technical Data”  and  on
the  inside  of the  tank flap  you  will find
information  on  the  correct octane rating
for your engine.

erra

all n

otte

•

Unleaded petrol must comply with

DIN EN

228 and leaded petrol with

DIN 51 600.

•

If, in an emergency, the octane rating of

the  available  petrol is lower  than  that
required  by the  engine,  only drive  with
medium  engine  speeds and  low  engine
loading.  H

Hiig

h e

giin

e llo

diin

g w

wiitth

h ffu

ullll

tth

hrro

ottttlle

e o

orr h

hiig

h rre

s c

n c

e e

giin

e.. Fill tank with petrol of the cor-

rect octane rating as soon as possible.

•

Fuel with a higher octane rating than

that required by the engine can be used
without limitation. There are, however, no
advantages regarding output and con-
sumption.

❀

n o

e tta

kffu

ull o

off lle

d p

ettrro

oll

wiillll d

ettrra

ctt ffrro

m tth

e e

effffiic

ciie

y o

off

tth

e c

atta

ally

yttiic

c c

errtte

err..

e c

ptte

err “

“F

Fiilllliin

g tth

e tta

k”

”..

European Standard.

ettrro

oll a

diittiiv

The quality of the fuel has a decisive influ-
ence  upon  the  running  behavior,  perfor-
mance and service life of the engine. The
additives which  are  mixed  into  the  petrol
are  of particular  significance.  It is there-
fore  advisable  only to  use  good  q

alliitty

ettrro

oll c

ntta

aiin

niin

g a

diittiiv

s..

3.4

FILLING THE TANK

TIPS AND MAINTENANCE

ettrro

oll

-------------------------------------------------------------------------------------------------------------------------------------------------------------

Diesel fuel must correspond to DIN EN

590.

2))

o llo

err tth

n 4

9..

E ffu

ell ((“

“d

diie

stte

err”

”))

According to norm DIN 51 606

Vehicles with diesel engines can also run
on R

E ffu

ell (Rapeseed Methyl Ester).

Ask a Technical Service Centre or automo-
bile club where biodiesel is available.

See chapter "Filling the tank".

Prro

errttiie

s o

off R

•

RME is chemically produced from veg-

etable oil (predominantly rapeseed oil) in
a process whereby the oil is mixed with
methanol and converted, via a catalyst,
into RME.

•

RME is almost totally sulfur free. The

combustion of RME thus emits practically
no sulfur dioxide (SO

European Standard.

Cetan-Zahl (Cetane Number). Measure of
diesel fuel ignitability.

DIN preliminary Standard.

•

Exhaust gas contains less

– carbon monoxide

– hydrocarbons

– particles (i.e. soot)

than with conventional diesel fuel.

All emission values are lower than legal
requirements.

•

RME fuel is biodegradable.

•

Performance may be slightly lower.

•

Fuel consumption may be slightly

higher.

•

RME can be used in temperatures down

to approximately –10 °C.

•

Diesel must be added at ambient tem-

peratures of less than  –10  °C to  prevent
deterioration  of the  biodiesel due  to  low
temperatures.  The  mixing  ratio  of diesel
to  biodiesel must be  approximately
50:50.

IIff tth

e R

E rra

attiio

o e

s 5

%,, tto

h s

e m

y b

e ffo

orrm

d..

•

During the summer months, RME may

be mixed with diesel at any ratio.

FILLING THE TANK

3.5

TIPS AND MAINTENANCE

Diie

ell

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Seat Leon 1M. Service Manual - part 9