Citroen C4 2009 1.G Owner's Manual

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127
X
C H E C K S
PETROL ENGINES
The covers and caps allow access for checking the levels of the various fl uids and for replacing certain components.

1. Power steering reservoir.

2. Screenwash and headlamp
wash reservoir.
3. Coolant reservoir.

4. Brake fl uid reservoir.

5. Battery.
6. Fuse box.

7. Air fi lter * .

8. Dipstick.

9. Engine oil fi ller cap.
* According to engine.

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C H E C K S * According to engine.
DIESEL ENGINES
The covers and caps allow access for checking the levels of the vari ous fl uids, for replacing certain components and for
priming the fuel system.

1. Power steering reservoir.

2. Screenwash and headlamp
wash reservoir.

3. Coolant reservoir.

4. Brake fl uid reservoir.

5. Battery.
6. Fuse box.

7. Air fi lter * .

8. Dipstick.

9. Engine oil fi ller cap.

10. Priming pump * .

11. Degas screw * . As the diesel fuel circuit is
pressurised, any work on
this circuit is prohibited.

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X
C H E C K S
CHECKING LEVELS
Check all of these levels regularly
and top them up if necessary, unless
otherwise indicated.
If a level drops signifi cantly, have the
corresponding system checked by a
CITROËN dealer.
Oil level
Oil change
Refer to the Maintenance and
Warranty Guide for details of the in-
terval for this operation. Oil specifi cation
The oil must correspond to your engine
and conform to the manufacturer's
recommendations.
Brake fluid level
Fluid change
Refer to the Maintenance and
Warranty Guide for details of the in-
terval for this operation.
This fl uid must be changed regu-
larly. Fluid which has been used for
too long may cause a loss of braking
effi ciency.
Fluid specifi cation
The brake fl uid must conform to the
manufacturer's recommendations and
fulfi l the DOT4 standards.
Coolant level
Draining the system
The coolant does not have to be
changed.
Fluid specifi cation
The coolant must conform to the
manufacturer's recommendations.
The reading will only be
correct if the vehicle is on
level ground and the engine
has been off for more than
15 minutes.
The check is carried out either when
the ignition is switched on using the
oil level indicator on the instrument
panel, or using the dipstick.
Between two oil changes, the con-
sumption should not exceed 0.5 litre
per 600 miles (approx. 1 000 km).
Check this level also between each
scheduled service and before long
journeys. The brake fl uid level should
be close to the "MAX" mark.
If it is not, check the brake
pad wear.
The coolant level should be
close to the "MAX" mark but
should never exceed it.
When the engine is warm, the tem-
perature of the coolant is regulated
by the fan. This can operate with the
ignition off.

On vehicles which are fi tted with
a particle emission fi lter, the fan
may operate after the vehicle has
been switched off, even if the en-
gine is cold.
In addition, as the cooling system is
pressurised, wait at least one hour
after switching off the engine before
carrying out any work.
To avoid any risk of scalding, unscrew
the cap by two turns to allow the pres-
sure to drop. When the pressure has
dropped, remove the cap and top up
the level.
In order to maintain the re-
liability of the engine and
emission control system,
the use of additives in the engine
oil is prohibited.

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C H E C K S
Screenwash and headlamp
wash fluid
Fluid specifi cation
For optimum cleaning and to avoid
freezing, this fl uid must not be topped
up or replaced with plain water.
Reservoir capacities:
-
screenwash: approximately 3 litres,
- screenwash and headlamp wash: approximately 6 litres. Diesel additive level (Diesel
engine with particle emission
filter)
A low additive level is indicated by
lighting of the service warning lamp,
accompanied by an audible warning
and a message on the multifunction
screen.
Topping up
This additive must be topped up by
a CITROËN dealer without delay.
Used products
Avoid prolonged contact of
used oil or fl uids with the
skin.
Most of these fl uids are harmful to
health or indeed very corrosive.
Do not discard used oil or
fl uids into sewers or onto
the ground.
Take used oil to a CITROËN dealer
(France) or an authorised waste
disposal site.
In the case of vehicles fi tted
with headlamp washers, the
minimum level of this fl uid is
indicated by an audible signal
and a message on the multifunction
screen.
Top up the level when you next stop
the vehicle.

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C H E C K S
CHECKS
Unless otherwise indicated, check
these components in accordance
with the Maintenance and Warranty
Guide and according to your engine.
Otherwise, have them checked by a
CITROËN dealer.
Battery The battery does not require
any maintenance.
However, check that the
terminals are clean and
correctly tightened, particu-
larly in summer and winter.
When carrying out work on the bat-
tery, refer to the "Practical information"
section for details of the precautions
to be taken before disconnecting the
battery and following its reconnection. Air filter and passenger
compartment filter
Refer to the Maintenance
and Warranty Guide for
details of the replacement
intervals for these compo-
nents.
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
(refer to the "Engines" paragraph).
A clogged cabin fi lter may have an
adverse effect on the performance
of the air conditioning system and
generate undesirable odours.
Oil filter
Replace the oil fi lter each
time the engine oil is
changed. Particle filter system (Diesel)
Complementary to the catalytic
converter, this fi lter makes an ac-
tive contribution to the preservation
of air quality by the retaining of the
unburnt pollutant particles. Black
exhaust fumes are thus no longer
emitted.
After prolonged idling or driving at very
low speeds, you may occasionally no-
tice water vapour being emitted from
the exhaust when accelerating. This is
of no consequence to the running of
the vehicle or to the environment.
If there is risk of clogging, a mes-
sage appears on the multifunction
screen, accompanied by an audible
signal and lighting of the service
warning lamp.
This alert tells you that the particle
fi lter is starting to fi ll up (in conditions
of urban driving of exceptionally long
duration: low speeds, traffi c jams
etc.)
To regenerate the fi lter, it is advised
to drive as soon as possible, when
traffi c conditions permit, at a speed
of 40 mph (around 60 km/h) or
more for at least fi ve minutes (until
the alert message disappears).
If this alert persists, consult a
CITROËN dealer.
Refer to the Maintenance and Warranty Guide for details of the replacement
interval for this component.

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C H E C K S
Brake pads Brake wear depends on
the style of driving, par-
ticularly in the case of ve-
hicles used in town, over
short distances. It may be
necessary to have the condition of
the brakes checked, even between
vehicle services.
Unless there is a leak in the circuit, a
drop in the brake fl uid level indicates
that the brake pads are worn.
Manual gearbox
The gearbox does not re-
quire any maintenance (no
oil change).
6-speed electronic gearbox
system The gearbox does not re-
quire any maintenance (no
oil change).
Automatic gearbox The gearbox does not re-
quire any maintenance (no
oil change). Brake disc wear
For information relating to
checking the brake disc
wear, contact a CITROËN
dealer.
Parking brake If a loss of effectiveness
of this system is noticed,
the parking brake must be
checked, even between
two services.
This system must be checked by a
CITROËN dealer. Only use products recom-
mended by CITROËN or
products of equivalent quality
and specifi cations.
In order to optimise the operation
of units as important as the braking
system, CITROËN selects and of-
fers very specifi c products.
To avoid damaging the electrical
units, the use of a high pressure
washer in the engine compartment
is strictly prohibited .
Refer to the Maintenance and
Warranty Guide for the details of the
level checking interval for this com-
ponent.
Refer to the Maintenance and
Warranty Guide for details of the
checking interval for this component.
Refer to the Maintenance and
Warranty Guide for details of the
level checking interval for this com-
ponent.

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P R A C T I C A L I N F O R M A T I O N
CHANGING A WHEEL
Access to the tools
The tools are located in the spare
wheel, under the boot fl oor.
To gain access to them:

 open the boot,

 lift the fl oor,

 unclip and remove the box con-
taining the tools. List of tools
All of these tools are specifi c to your
vehicle. Do not use them for other
purposes.

1. Wheelbrace

2. Centring guide

3. Tool for bolt protectors on
aluminium wheels

4. Jack with handle

5. Aluminium wheel central
embellisher removal tool

6. Socket for anti-theft bolts
(located in the glove box)
Adjusts to the wheelbrace.

7. Removable towing eye Access to the spare wheel
The spare wheel is installed in the
boot, under the fl oor.
Removing the wheel

 Undo the yellow central screw by
a quarter turn.

 Raise the spare wheel towards
you rearwards.

 Remove the wheel from the boot
space.

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XI
P R A C T I C A L I N F O R M A T I O N
CHANGING A WHEEL
Access to the tools
The tools are located in the spare
wheel, under the boot fl oor.
To gain access to them:

 open the boot,

 lift the fl oor,

 unclip and remove the box con-
taining the tools. List of tools
All of these tools are specifi c to your
vehicle. Do not use them for other
purposes.

1. Wheelbrace

2. Centring guide

3. Tool for bolt protectors on
aluminium wheels

4. Jack with handle

5. Aluminium wheel central
embellisher removal tool

6. Socket for anti-theft bolts
(located in the glove box)
Adjusts to the wheelbrace.

7. Removable towing eye Access to the spare wheel
The spare wheel is installed in the
boot, under the fl oor.
Removing the wheel

 Undo the yellow central screw by
a quarter turn.

 Raise the spare wheel towards
you rearwards.

 Remove the wheel from the boot
space.

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P R A C T I C A L I N F O R M A T I O N
Refi tting the wheel Dimension of the spare wheel
If your spare wheel is of different
dimensions to those on the vehicle
(identifi ed by a label), it is essential
to use it only on a temporary basis,
to drive not above 50 mph (80 km/h)
and to have the original wheel refi t-
ted as soon as possible.

Switch on your hazard
warning lamps.

It is imperative to ensure
that the occupants get out of the
vehicle and wait in a safe location.

Never get underneath the vehi-
cle if it is supported only by the
jack; use an axle stand.

The jack is designed specifi cally
for your vehicle, do not use it for
other applications.

Refi t the repaired original wheel
as soon as possible.

With a spare wheel fi tted, drive
with caution.

The wheel should be correctly
positioned fl at in the centre of
its well. Light alloy wheels
If your vehicle is equipped with
light alloy wheels and a steel spare
wheel, then if fi tting the latter it is
normal to note that the heads of the
wheel bolts do not come to bear on
the wheel rim.
The steel spare wheel is secured
by the conical tapering of the wheel
bolts’ shafts, see diagram.
When refi tting the light alloy wheel,
ensure that the wheel bolt heads are
in undamaged condition.

 Refi t the wheel in place.

 Undo the yellow central screw by
a few turns, then position it at the
centre of the wheel.

 Do up the central screw until tight
so that the wheel is securely re-
tained in place.

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P R A C T I C A L I N F O R M A T I O N
Removing a wheel
List of operations

 Park the vehicle on stable, fi rm
ground. Apply the parking brake.
Switch off the ignition and en- gage fi rst gear or reverse gear,
depending on the slope (for ve-
hicles with automatic gearbox,
select position P).

 Detach the embellisher using the
wheelbrace 1 by pulling close to
the valve.
For vehicles with aluminium wheel rims, slide the embellisher
removal tool 5 into the slot in the
central embellisher and apply
fi rm leverage to detach.
 Slacken the wheel bolts using
the wheelbrace 1 .
For vehicles with aluminium wheel rims, slacken the anti-theft
bolt using the socket 6 fi tted on
the wheelbrace 1 .

 Position the jack under the
bodyshell, exactly as in the illus-
tration at the mark A , closest to
the wheel that is to be replaced.

 Operate the jack 4 until its base
is in contact with the ground.
Make sure that the base of the
jack is vertically below the jack-
ing point used.

 Raise the vehicle.

 Remove the bolts and disengage
the wheel. List of operations

 Position the wheel using the cen-
tring guide 2 .

 Do up the 3 bolts by hand and
remove the centring guide.
Position the 4th bolt.

 Pretighten the bolts using the
wheelbrace 1 . For vehicles with al-
uminium wheel rims, pretighten the
anti-theft bolt using the socket 6
fi tted on the wheelbrace 1 .


Retract the jack 4 and disengage it.

 Tighten the wheel bolts using the
wheelbrace 1 and the anti-theft
bolt using the socket 6 .

 Reposition the embellisher, com-
mencing by placing the slot at
the valve, pressing it home with
the palm of your hand.
For vehicles with aluminium wheel rims, reclip the central
embellisher in place.

 Stow the tools and the wheel in
the boot.

 Check the tyre pressure and also
have its balancing checked.
Fitting a wheel

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