2017 Citroen C3 engine

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Coolant level
Check the coolant level regularly.
It is normal to top up this fluid
between services.
When the engine is hot, the temperature of the
coolant is regulated by the fan. The coolant level should be close to the "MA X"
mark but should never exceed it.
If the level is close to or below the "MIN" mark,
it is essential to top up.
A low coolant level presents a risk of serious
damage to your engine.
Fluid specification
The coolant must conform to the
manufacturer's recommendations.
Fluid specification
For optimum cleaning and to avoid freezing,
this fluid must not be topped up or replaced
with plain water.
In wintry conditions, it is recommended that you
use an ethyl alcohol or methanol based fluid.
Screenwash fluid level
Top up the level when necessary.
The cooling fan may star t after
switching off the engine: take care
with articles and clothing that might
be caught by the fan blades. When the engine is hot, as the cooling system is
pressurised, wait at least one hour after switching
off the engine before carrying out any work.
To avoid the risk of scalding in the event of an
urgent need to top up, with a cloth around the
cap, unscrew it by two turns to allow the pressure
to drop.
Once the pressure has dropped, remove the cap
and top up the level.
To ensure that the measurement is reliable, the
vehicle must be parked on level ground and the
engine must be cold.
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Checking components
12 V battery
The battery does not require any maintenance.
However, check regularly that the terminals
are correctly tightened (versions without quick
release terminals) and that the connections
are clean.Refer to the manufacturer's
service schedule for details of the
replacement intervals for these
components.
Air filter and passenger compartment filter
Replace the oil filter each time the
engine oil is changed.
Refer to the manufacturer's
service schedule for details of
the replacement interval for this
component.
Oil filter
Unless other wise indicated, check these components in accordance with the manufacturer's service schedule and according to your engine.
Other wise, have them checked by a CITROËN dealer or a qualified workshop.Depending on the environment (e.g. dusty
atmosphere) and the use of the vehicle (e.g.
city driving), replace them twice as often if
necessary.
A clogged passenger compartment filter may
have an adverse effect on the per formance
of the air conditioning system and generate
undesirable odours.
Particle filter (Diesel)
The start of saturation of the particle
filter is indicated by the fixed
illumination of this warning lamp
accompanied by a warning message.
As soon as the traffic conditions permit,
regenerate the filter by driving at a speed of at
least 40 mph (60 km/h) until the warning lamp
goes off.
If the warning lamp stays on, this indicates a
low additive level.
For more information on Checking levels and
the Diesel additive level in particular, refer to
the corresponding section.
On a new vehicle, the first particle
filter regeneration operations may be
accompanied by a "burning" smell,
which is per fectly normal.
Following prolonged operation of the
vehicle at very low speed or at idle,
you may, in exceptional circumstances,
notice the emission of water vapour at
the exhaust on acceleration. This does
not affect the behaviour of the vehicle
or the environment.
For more information and the precautions to
take before starting work on the 12 V batter y
,
refer to the corresponding section.
Versions equipped with Stop & Start are
fitted with a 12 V lead-acid battery of
specific technology and specification.
Its replacement should be carried out
only by a CITROËN dealer or a qualified
workshop.
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AdBlue® and SCR system
for BlueHDi Diesel engines
To assure respect for the environment and
conformity with the new Euro 6 emissions
standard, without adversely affecting the
per formance or fuel consumption of Diesel
engines, CITROËN has taken the decision to
equip its vehicles with an effective system that
associates SCR (Selective Catalytic Reduction)
with a particle filter (FAP) for the treatment of
exhaust gases.
SCR system
Using a fluid called AdBlue® containing urea, a
catalytic converter turns up to 85% of nitrogen
oxides (NOx) into nitrogen and water, which are
harmless to health and the environment. Once the AdBlue
® tank is empty, a
s
ystem required by regulations prevents
starting of the engine.
If the SCR

system is faulty, the level
of emissions from your vehicle will no
longer meet the Euro 6 standard: your
vehicle becomes polluting.
In the event of a confirmed fault
with the SCR system, you must go
to a CITROËN dealer or a qualified
workshop as soon as possible: after
a running distance of 650 miles
(1

100 km), a system will be triggered
automatically to prevent engine starting.
In either case, a range indicator gives
you the distance you can travel before
the vehicle is immobilised.
The AdBlue® is held in a special tank with
a capacity of about 15 litres: this provides
a driving range of about 11 000 miles
(18

000

km). An alert is triggered automatically
to warn you when the reserve level is
reached: you can then drive about 1 500 miles
(2

400

km) before the tank is empty.
Freezing of the AdBlue
®
AdBlue® freezes at temperatures below
around -11°C.
The SCR system includes a heater
for the AdBlue
® tank, allowing you
to continue driving in all weather
conditions.
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Recommendations on storage
Never store bottles of AdBlue® in your
vehicle.
Procedure
Park the vehicle
F Switch off the ignition and remove the key from the switch to switch off the engine.
or
F

W
ith Keyless Entry and Starting, press the
" START/STOP " button to switch off the
engine.
AdBlue
® freezes at about -11°C and
deteriorates above 25°C. It is recommended
that bottles be stored in a cool area and
protected from direct sunlight .
Under these conditions, the fluid can be kept
for at least a year .
If the additive has frozen, it can be used once it
has completely thawed out. Before topping up, ensure that the vehicle is
parked on a flat and level sur face.
In wintry conditions, ensure that the
temperature of the vehicle is above -11°C.
Otherwise the AdBlue
® may be frozen and
so cannot be poured into its tank. Park your
vehicle in a warmer area for a few hours to
allow the top-up to be carried out.
Open the filler
F With the vehicle unlocked, open the fuel filler flap; the blue filler cap for the AdBlue®
tank is located to the right of the black fuel
filler cap.
F

T

urn the blue cap a quarter of a turn anti-
clockwise.
F

R

emove the blue cap.
Do not dispose of AdBlue
® bottles or
containers in the household waste.
Place them in a container provided for
this purpose or take them to your dealer.
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To p u p
F Obtain a bottle of AdBlue®. After first
checking the use-by date , read carefully
the instructions on use on the label before
pouring the contents of the bottle into your
vehicle's AdBlue
® tank.
Important : if your vehicle's AdBlue
®
tank is completely empty

- which is
confirmed by the alert messages and
the impossibility of starting the engine
-
you must add at least 4 litres and no
more than 10 litres. If any fluid is spilt or splashed, wash
immediately with cold water or wipe with
a damp cloth.
If the fluid has crystallised, clean it off
using a sponge and hot water.
Important:
when topping up after
running out of AdBlue , signalled
by the message " To p up AdBlue:
starting impossible ", you must wait for
about 5 minutes before switching the
ignition on again, without opening the
driver's door, unlocking the vehicle,
introducing the remote control key
into the ignition switch, or placing
the Keyless Entr y and Star ting
electronic key inside the vehicle.
Switch on the ignition, then wait for
10 seconds before starting the engine.
F
A
fter emptying the bottle, wipe away any
spillage around the tank filler using a damp
cloth.
Refit the filler cap
F Refit the blue cap and turn it a quarter of a turn clockwise, to its stop.
F

C
lose the filler flap.
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Warning triangle
The triangle can be stored on the rear face of
the boot, secured by straps.
Assembling the triangle
As a safety precaution, before leaving your
vehicle to set up and install the triangle, switch
on the hazard warning lamps and put on your
high visibility vest.Refer to the instructions provided with the
triangle.
Positioning the triangle
Running out of fuel
(Diesel)
On vehicles fitted with Diesel engines, the fuel
system must be primed if you run out of fuel. For more information on Misfuel
prevention (Diesel) , refer to the
corresponding section.
If the engine does not start first
time, don't keep trying, but start the
procedure again from the beginning.
BlueHDi engines
F Fill the fuel tank with at least five litres of Diesel.
F

S
witch on the ignition (without starting the
engine).
F

W
ait around 6 seconds and switch off the
ignition.
F

R
epeat the operation 10 times.
F

O
perate the starter to run the engine.
F
P
lace the triangle behind the vehicle, as
required by local legislation.
Other HDi engines
(except BlueHDi version)
F A dd at least five litres of Diesel fuel to the
tank.
F

O
pen the bonnet.
F

I
f necessary, unclip the styling cover for
access to the priming pump.
F

S
queeze and release the priming pump
repeatedly until resistance is felt (there
may be resistance at the first press).
F

O
perate the starter to start the engine
(if the engine does not start at the first
attempt, wait around 15 seconds before
trying again).
F

I
f the engine does not start after a few
attempts, operate the priming pump again
then start the engine.
F

R
efit the styling cover and clip it in place.
F

C
lose the bonnet.
In the event of a breakdown

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Taking out the wheel
F Unclip the tool storage box (standard spare wheel).
F

U
nscrew the central nut.
F

R
emove the fixing parts (nut and bolt).
F

R
aise the spare wheel towards you from
the rear.
F

T
ake the wheel out of the boot.
The spare wheel is installed in the boot under
the floor.
Depending on engine, the spare wheel is
a standard wheel or the space-saver type
(BlueHDi).
Access to the spare wheel
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Lower fusebox
FuseN° Rating
(A) Functions
F1 10Electrochromatic interior mirror, heated rear screen,
particle
filter pump (Diesel), parking sensors, power steering,
LPG
system, clutch pedal switch, exterior mirror adjustment.
F10(+) -
F11 (Gnd) 30Locking / unlocking of the doors and fuel filler flap (depending
on engine).
F13 10Rain and sunshine sensor, air conditioning, front camera.
F14 5Alarm, telematic unit.
F16 3Automatic gearbox gear selector, brake pedal switch,
Stop & Start system.
F17 5Instrument panel, driving school module.
F18 5Air conditioning, gear selector position indicator (automatic
gearbox).
F19 3Steering mounted controls.
F21 3START/STOP switch or button.
F23 5Seat belts not fastened warning lamps display.
In the event of a breakdown