2019 CITROEN C4 service

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C4-cactus_en_Chap07_info-pratiques_ed01-2016
Checking levels
Take care when working under the bonnet,   as   certain   areas   of   the   engine  
m

ay   be   extremely   hot   (risk   of   burns)  
a

nd   the   cooling   fan   could   start   at   any  
t

ime   (even   with   the   ignition   off).
Engine oil level
The check is carried out either when the   ignition   is   switched   on   using   the  
o

il   level   indicator   in   the   instrument  
p

anel   for   vehicles   so   equipped,   or  
u

sing   the   dipstick.
Checking using the dipstick
Check all of these levels regularly, in line with the manufacturer's service schedule. Top them up if necessary, unless other wise indicated.
I f   a   level   drops   significantly,   have   the   corresponding   system   checked   by   a   CITROËN   dealer   or   a   qualified   workshop.
If you find that the level is above the A
  mark   or  
belo

w the B   mark,   do not star t the engine.
-

I
f the level is above the MAX
 
mark   (risk  
o

f   damage   to   the   engine),   contact   a  
C

ITROËN   dealer   or   a   qualified   workshop.
-

I
f the level is below the MIN
 
mark,   you  
m

ust   top   up   the   engine   oil.
A = MA X
B = MIN
To
  ensure   that   the   reading   is   correct,  
y

our   vehicle   must   be   parked   on   a   level  
s

ur face   with   the   engine   having   been   off  
f

or   more   than   30   minutes.
It
  is   normal   to   top   up   the   oil   level   between  
t

wo   services   (or   oil   changes).   CITROËN  
r

ecommends   that   you   check   the   level,   and   top  
u

p   if   necessary,   every   3   000   miles   (5   000   kms).The
  location   of   the   dipstick   is   shown   in   the  
c

orresponding   underbonnet   layout   view.
F
 
T
ake   the   dipstick   by   its   coloured   grip   and  
r

emove   it   completely.
F
 
W
ipe   the   end   of   the   dipstick   using   a   clean  
n

on-fluffy   cloth.
F
 
R
efit   the   dipstick   and   push   fully   down,   then  
p

ull   it   out   again   to   make   the   visual   check:  
t

he   correct   level   is   between   the   marks   A
and B .
Oil grade
Before topping-up the oil or changing the oil, c
heck   that   the   oil   is   the   correct   grade   for   your  
e

ngine   and   conforms   to   the   manufacturer's  
r

ecommendations.
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After topping-up the oil, the check when switching   on   the   ignition   with   the   oil  
l

evel   indicator   in   the   instrument   panel  
i

s   not   valid   during   the   30   minutes   after  
t

opping   up.
Topping-up the engine oil level
The location of the oil filler cap is shown in the
corresponding   underbonnet   layout   view.
F

U
nscrew the oil filler cap to reveal the filler
aperture.
F
 
A
dd   oil   in   small   quantities,   avoiding   any  
s

pills   on   engine   components   (risk   of   fire).
F
 
W
ait   a   few   minutes   before   checking   the  
l

evel   again   using   the   dipstick.
F
 
A
dd   more   oil   if   necessary.
F
 
A
fter   checking   the   level,   carefully   refit   the  
o

il   filler   cap   and   the   dipstick   in   its   tube.
Engine oil change
Refer to the manufacturer's service schedule for   details   of   the   interval   for   this   operation.
In
  order   to   maintain   the   reliability   of   the   engine  
a

nd   emission   control   system,   never   use  
a

dditives   in   the   engine   oil. The
  brake   fluid   level   should   be   close  t
o   the   "MA X"   mark.   If   it   is   not,   check  t
he   brake   pad   wear.
Brake fluid level
Changing the fluid
Refer to the manufacturer's service schedule f
or   details   of   the   interval   for   this   operation.
Fluid specification
The brake fluid must conform to the manufacturer's r ecommendations.
7
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Coolant level
The coolant level should be close
to  the   "MA X"   mark   but   should   never  
e

xceed   it.
In
 
addition,   as   the   cooling   system   is   pressurised,
 w

ait
 
at
 
least   one   hour   after   switching   off   the
 e

ngine
 
before   carrying   out   any   work.
To
 
avoid
 
any   risk   of   scalding,   unscrew   the   cap   by
 t

wo
 
turns
 
to   allow   the   pressure   to   drop.   When   the
 p

ressure
 
has   dropped,   remove   the   cap   and   top
 u

p
 
the
 
level.
Changing the coolant
The coolant does not have to be replaced at routine services.
The cooling fan may star t after switching
off the engine: take care with ar ticles and
clothing that might be caught by the fan
blades. When   the   engine   is   warm,   the   temperature   of  
t

he   coolant   is   regulated   by   the   fan.
Fluid specification
The coolant must conform to the ma
nufacturer's r ecommendations.
Fluid specification
For optimum cleaning and to avoid freezing, this   fluid   must   not   be   topped   up   or   replaced  
w

ith   plain   water.
In
 
w
intry  
c
onditions,  
i
t  
i
s  
r
ecommended  
t
hat  
y
ou  
u

se   an   ethyl   alcohol   or   methanol   based   fluid.
Screenwash fluid level
Top up the level when necessary.
To p p i n g u p
The reservoir must be topped up without delay by   a   CITROËN   dealer   or   a   qualified   workshop.
Diesel fuel additive
level (Diesel with particle
filter)
The additive reservoir low level is
indicated  by   fixed   illumination   of  
A
void   prolonged   contact   of   used   oil   or  
f

luids   with   the   skin.
Most   of   these   fluids   are   harmful   to  
h

ealth   or   indeed   very   corrosive.
Do not discard used oil or fluids into
sewers   or   onto   the   ground.
Take   used   oil   to   a   CITROËN   dealer   or  
a

  qualified   workshop   (France)   or   to   an  
a

uthorised   waste   disposal   site.
Used products
this warning lamp, accompanied by an audible s
ignal   and   a   message   that   the   particle   filter  
a

dditive   level   is   too   low.
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Checks
12 V battery
The battery does not require any maintenance.
H owever,   check   regularly   that   the   terminals  
a

re   correctly   tightened   (versions   without   quick  
r

elease   terminals)   and   that   the   connections  
a

re   clean.Refer to the manufacturer's service schedule for details of the
replacement
  intervals   for   these  
c

omponents.
Air filter and passenger compartment filter
Replace the oil filter each time the e ngine   oil   is   changed.
Refer
  to   the   manufacturer's  
s

ervice schedule for details of
the
  replacement   interval   for   this  
c

omponent.
Oil filter
Unless other wise indicated, check these components in accordance with the manufacturer's service schedule and according to your engine.
O ther wise,   have   them   checked   by   a   CITROËN   dealer   or   a   qualified   workshop.
Depending
  on   the   environment   (e.g.   dusty  
a

tmosphere)   and   the   use   of   the   vehicle  
(e.g.
  city   driving),   replace them twice as often
if necessary .
A
  clogged   passenger   compartment   filter   may  
h

ave   an   adverse   effect   on   the   per formance  
o

f   the   air   conditioning   system   and   generate  
u

ndesirable
 o
dours.
Particle filter (Diesel)
The start of saturation of the
particle filter is indicated by the
fixed  illumination   of   this   warning  
l

amp   accompanied   by   a   warning  
m

essage.
As
 
soon
 
as
  the   traffic   conditions   permit,  
r

egenerate
 
the   filter   by   driving   at   a   speed   of   at  
l

east
 
40
 
mph   (60   km/h)   until   the   warning   lamp  
g

oes
 
off.
If
 
the
 
warning   lamp   stays   on,   this   indicates   a  
l

ow
 
additive   level.
Refer
 
to
 
the   "Diesel   additive   level"   section.
On a new vehicle, the first particle
filter
 
regeneration   operations   may   be  
a

ccompanied   by   a   "burning"   smell,  
w

hich   is   per fectly   normal.
Following
  prolonged   operation   of   the  
v

ehicle at very low speed or at idle,
you
 
may,   in   exceptional   circumstances,  
n

otice   the   emission   of   water   vapour   at  
t

he
 
exhaust   on   acceleration.   This   does  
n

ot affect the behaviour of the vehicle
or
 
the   environment.
When
 
carrying
 
out
 
any
 
operation
 
on
 
the
 
12
 
V
 
b

attery,
 
refer
 
to
 
the
 
corresponding
 
section
 
for
 
d

etails
 
of
 
the
 
precautions
 
to
 
be
 
taken
 
before
 
s

tarting
 
work.
Versions
 
equipped
 
with
 
Stop
 
&
 
Start
 
are
 
f

itted with a 12 V lead-acid battery of
specific
 t

echnology
 a

nd
 s

pecification.
Its
 
replacement
 
should
 
be
 
carried
 
out
 
o

nly
 

by
 

a
 

CITROËN
 

dealer
 

or
 

a
 

qualified
 w

orkshop.
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Brake wear depends on the style of   driving,   particularly   in   the   case  
o

f vehicles used in town, over short
distances.
  It   may   be   necessary   to  
Brake pads
For information on checking brake disc wear, contact a CITROËN dealer
or
  a   qualified   workshop.
Brake disc wearOnly use products recommended by CITROËN   or   products   of   equivalent  
q

uality
 an
d
 sp
ecification.
In
  order   to   optimise   the   operation   of  
u

nits   as   important   as   those   in   the  
b

raking   system,   CITROËN   selects   and  
o

ffers   very   specific   products.
After
  washing   the   vehicle,   dampness,  
o

r   in   wintry   conditions,   ice   can   form  
o

n   the   brake   discs   and   pads:   braking  
e

fficiency   may   be   reduced.   Make   light  
b

rake   applications   to   dry   and   defrost  
t

he   brakes.Manual gearbox
The gearbox does not require any maintenance   (no   oil   change).
Refer
  to   the   manufacturer's   service  
s

chedule   for   the   checking   interval   for  
t

his
 c
omponent.
Electronic gearbox
The gearbox does not require any maintenance   (no   oil   change).
Refer
  to   the   manufacturer's   service  
s

chedule   for   details   of   the   checking  
i

nterval   for   this   component.
Parking brake
If excessive travel or a loss of effectiveness   of   this   system   is  
n

oticed,   the   parking   brake   must   be  
c

hecked,   even   between   two   services.
Checking
  this   system   must   be   done   by   a  
C

ITROËN   dealer   or   a   qualified   workshop. To
  avoid   damaging   the   electrical   units,  
n

ever use   a   high   pressure   jet   wash   in  
t

he   engine   compartment.
have
 
the
 
condition
 
of
 
the
 
brakes
 
checked,
 
even
 
b

etween
 v

ehicle
 s

ervices.
Unless
 
there
 
is
 
a
 
leak
 
in
 
the
 
circuit,
 
a
 
drop
 
in
 
t

he
 
brake
 
fluid
 
level
 
indicates
 
that
 
the
 
brake
 
p

ads
 
are
 
worn.
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C4-cactus_en_Chap07_info-pratiques_ed01-2016
AdBlue® additive and SCR system
f
or
 
BlueHDi   Diesel   engines
To assure respect for the environment and c
onformity   with   the   new   Euro   6   emissions  
s

tandard,   without   adversely   affecting   the  
p

er formance   or   fuel   consumption   of   Diesel  
e

ngines,   CITROËN   has   taken   the   decision   to  
e

quip   its   vehicles   with   an   effective   system   that  
a

ssociates SCR (Selective Catalytic Reduction)
with
  a   particle   filter   (FAP)   for   the   treatment   of  
e

xhaust   gases.
Presentation of the SCR system
Using an additive called AdBlue® containing urea, a
 
catalytic
 
converter
 
turns
 
up
 
to
 
85%   of   nitrous o

xides
 
(NOx)
 
into
 
nitrogen
 
and
 
water,   which   are
 h

armless
 
to
 
health
 
and
 
the
 
environment. Once the AdBlue
® tank is empty, a s
ystem
 
required
 
by   regulations   prevents  
s

tarting
 
of
 
the
 
engine.
If the SCR is faulty, the level of
emissions
 
from
 
your   vehicle   will   no  
l

onger
 
meet
 
the
 
Euro   6   standard:   your  
v

ehicle
 
becomes
 
polluting.
In
 
the
 
event
 
of
 
a
 
confirmed   fault  
w

ith
 
the
 
SCR
 
system,   you   must   go  
t

o
 
a
 
CITROËN
 
dealer   or   a   qualified  
w

orkshop
 
as
 
soon   as   possible:   after   a  
r

unning
 
distance
 
of   650   miles  
(1
 
100
 
km),
 
a
 
system   will   be   triggered  
a

utomatically
 
to
 
prevent   engine   starting.
The AdBlue® additive is held in a special
tank
 
located
  under   the   boot   at   the   rear   of  
t

he
 
vehicle.
 
It   has   a   capacity   of   17   litres:   this  
p

rovides
 
a
 
driving   range   of   about   12   500   miles  
(

20
 
000
 
km),
  after   which   an   alert   is   triggered  
w

arning
 
you
 
when   the   reserve   remaining   is  
e

nough
 
for
 
just   1   500   miles   (2   400   km).
During
 
each
  scheduled   service   of   your   vehicle  
b

y
 
a
 
CITROËN   dealer   or   a   qualified   workshop,  
t

he AdBlue
® additive tank is refilled in order to a
llow
 
normal   operation   of   the   SCR   system.
If
 
the
 
estimated   mileage   between   two   services  
i

s
 
greater
 
than   12   500   miles   (20   000   km),   we  
r

ecommend
  that   you   go   to   a   CITROËN   dealer  
o

r
 
a
 
qualified   workshop   to   have   the   necessary  
t

op-up
 
carried   out.
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Remaining range between 0 and 350 miles (0 and 600 km)Breakdown related to a lack of AdBlue® additive
To be able to start the engine, we   recommend   that   you   call   on  
a

  CITROËN   dealer   or   a   qualified  
w

orkshop   for   the   top-up   required.
If you carry out the top-up yourself, it
is
  essential   to   add   at   least   3.8   litres   of  
Ad

Blue
® to the tank.
W
hen
 
switching
 
on
 
the
 
ignition,
 
the
 
SERVICE
 
w

arning
 
lamp
 
comes
 
on
 
and
 
the
 
UREA
 
warning
 
l

amp
 
flashes,
 
accompanied
 
by
 
an
 
audible
 
s

ignal
 
and
 
the
 
display
 
of
 
a
 
message
 
(e.g.
 
"Top
 
u

p
 
emissions
 
additive:
 
Starting
 
prevented
 
in
 
3

50
 
miles")
 
indicating
 
the
 
remaining
 
range
 
e

xpressed
 
in
 
miles
 
or
 
kilometres.
When
 
driving,
 
the
 
message
 
is
 
displayed
 
every
 
3

0
 
seconds
 
until
 
the
 
additive
 
tank
 
has
 
been
 
t

opped-up.
Go
 
to
 
a
 
CITROËN
 
dealer
 
or
 
a
 
qualified
 
w

orkshop
 
to
 
have
 
the
 
AdBlue
® tank topped-up.
Y
ou
 
can
 
also
 
top-up
 
the
 
tank
 
yourself.
Other wise you will not be able to restart your
engine. When
  switching   on   the   ignition,   the   SERVICE  
w

arning   lamp   comes   on   and   the   UREA   warning  
l

amp   flashes,   accompanied   by   an   audible  
s

ignal   and   the   display   of   the   message   "Top   up  
e

missions   additive:   Starting   prevented".
The AdBlue
® tank  is  empty:  t he  s ystem  r equired  b
y
 
regulations   prevents   engine   starting.
For
 
more
 
information
 
on
 
topping-up
 
the
 
Ad

Blue
® additive, refer to the corresponding s
ection.
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In the event of a fault with the SCR emissions control system
In the event of the detection
of a faultDuring an authorised driving phase (between
650 miles and 0 miles) (1 100 km and 0 km)
A
  system   that   prevents   engine   starting   is   activated   automatically   from   650   miles   (1   100   km)   after   confirmation   of   a   fault   with   the   SCR   emissions  
c

ontrol   system.   Have   the   system   checked   by   a   CITROËN   dealer   or   a   qualified   workshop   as   soon   as   possible.
If   it   is   a   temporary   fault,   the   alert  
d

isappears   during   the   next   journey,  
a

fter   self-diagnosis   of   the   SCR   system.
The
  UREA,   SERVICE   and   diagnostic   warning  
l

amps   comes   on,   accompanied   by   an   audible  
s

ignal   and   the   display   of   the   message  
"

Emissions
 f
ault".
The
  alert   is   triggered   when   driving   when   the  
f

ault   is   detected   for   the   first   time,   then   when  
s

witching   on   the   ignition   for   subsequent  
j

ourneys,   while   the   fault   persists. If
  a   fault   with   the   SCR   system   is   confirmed   (after
 3

0   miles   (50   km)   covered   with   the   permanent
 d

isplay   of   the   message   signalling   a   fault),   the
 S

ERVICE   and   engine   diagnostic   warning   lamps
 c

ome   on   and   the   UREA   warning   lamp   flashes,
 a

ccompanied   by   an   audible   signal   and   the
 d

isplay   of   a   message   (e.g.:   "Emissions   fault:
 S

tarting   prevented   in   150 miles")   indicating   the
 r

emaining   range   express   in   miles   or   kilometres.
While
  driving,   the   message   is   displayed   every
 3

0   seconds   while   the   fault   with   the   SCR   system
 p

ersists.
The
  alert   is   repeated   when   switching   on   the
 ig

nition.
You
  should   go   to   a   CITROËN   dealer   or   a
 q

ualified   workshop   as   soon   as   possible.
Other wise, you will not be able to restart your
engine. Starting prevented
To
  be   able   to   start   the   engine,   you   must   call   on  
a

  CITROËN   dealer   or   a   qualified   workshop.
You
  have   exceeded   the   authorised  
d

riving   limit:   the   starting   prevention  
s

ystem   inhibits   engine   starting.
Every time the ignition is switched on, the SERVICE and   engine   diagnostic   warning   lamps   come   on   and t

he   UREA   warning   lamp   flashes,   accompanied   by
 a

n   audible   signal   and   the   display   of   the   message
 "

Emissions   fault:   Starting   prevented".
Practical information