2017 Peugeot 308 Engine

225
308_en_Chap07_info-pratiques_ed01-2016
Bonnet
Before doing anything under the
bonnet, deactivate the Stop & Start
system to avoid any risk of injury
resulting from an automatic change to
S
t
A R
t m
o d e .
Opening
Closing
F take the stay out of its support slot.
F C lip the stay back into its housing.
F

L
ower the bonnet and release it at the end
of its travel.
F

P
ull on the bonnet to check that it has
latched correctly.
F
u
n
clip the stay from its housing and place
it in the support slot to hold the bonnet
open.
Do not open the bonnet under very
windy conditions.
When the engine is hot, handle the
exterior safety catch and the stay with
care (risk of burns).
to

avoid damaging electrical units,
it is strictly forbidden to use a high
pressure jet wash under the bonnet.
F

P

ull the safety catch towards you, then
raise the bonnet.
F

O

pen the door.
F

P

ull the release lever, located at the bottom
of the door aperture, towards you.
7
Practical information

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308_en_Chap07_info-pratiques_ed01-2016
Petrol engine
1. Screenwash and headlamp wash reservoir.
2. Coolant header tank.
3.
B

rake fluid filler cap.
4.
B

attery / Fuses.
5.


Fusebox.
6.
A

i r f i l t e r.
7.


e
n
gine oil dipstick.
8.


e
n
gine oil filler cap.
9.
R

emote earth point.
th

is engine is shown as an example. t
h
e locations of the engine oil dipstick and filler cap may vary.
Practical information

227
308_en_Chap07_info-pratiques_ed01-2016
* According to engine.
Diesel engine
1. Screenwash and headlamp wash reservoir.
2. Coolant header tank.
3.
B

rake fluid filler cap.
4.
B

attery / Fuses.
5.


Fusebox.
6.
A

i r f i l t e r.
7.


e
n
gine oil dipstick.
8.


e
n
gine oil filler cap.
9.
P

riming pump*.
10.
R

emote earth point.
th

is engine is shown as an example. t
h
e locations of the engine oil dipstick and filler cap may vary.
7
Practical information

228
308_en_Chap07_info-pratiques_ed01-2016
Checking levels
take care when working under the bonnet, as certain areas of the engine may be extremely hot (risk of burns) and the cooling fan could start at
any time (even with the ignition off).
Engine oil level
the check is carried out either when
the ignition is switched on using the
oil level indicator in the instrument
panel for vehicles so equipped, or
using the dipstick.Checking using the dipstick
the location of the dipstick is shown in the
corresponding underbonnet layout view.
F t
a
ke the dipstick by its coloured grip and
remove it completely.
F

W
ipe the end of the dipstick using a clean
non-fluffy cloth.
F

R
efit the dipstick and push fully down, then
pull it out again to make the visual check:
the correct level is between the marks A
and B .
Check all of these levels regularly, in line with the manufacturer's service schedule.
t
o
p them up if necessary, unless other wise indicated.
If a level drops significantly, have the corresponding system checked by a P
e
uge
Ot
dealer or a qualified workshop.
A = MA X
to e

nsure that the reading is correct, your
vehicle must be parked on a level sur face
with

the engine having been off for more than
30 minutes.
It is normal to top-up the oil level between
two services (or oil changes). P
e

uge
Ot


recommends that you check the level, and
top-up if necessary, every 3 000 miles
(5 000 kms). B = MIN
If you find that the level is above the A mark or
below the B mark, do not star t the engine .
-

I
f the level is above the MAX mark (risk
of damage to the engine), contact a
P
e

uge
Ot
dealer or a qualified workshop.
-

I
f the level is below the MIN mark, you
must top-up the engine oil.
Practical information

229
308_en_Chap07_info-pratiques_ed01-2016
Oil grade
Before topping-up the oil or changing the oil,
check that the oil is the correct grade for your
engine and conforms to the manufacturer's
recommendations.
Topping-up the engine oil level
the location of the oil filler cap is shown in the
corresponding underbonnet layout view.
F u
n
screw the oil filler cap to reveal the filler
aperture.
F

A
dd oil in small quantities, avoiding any
spills on engine components (risk of fire).
F

W
ait a few minutes before checking the
level again using the dipstick.
F

A
dd more oil if necessary.
F

A
fter checking the level, carefully refit the
oil filler cap and the dipstick in its tube. After topping-up the oil, the check when
switching on the ignition with the oil
level indicator in the instrument panel
is not valid during the 30 minutes after
topping-up.
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
and emission control system, never use
additives in the engine oil.th
e brake fluid level must be
between the marking " A" (MA X
located on the remote reservoir) and
the marking " B" (MIN located on the
main reservoir). If it is not, check the
brake pad wear.
Brake fluid level
Changing the fluid
Refer to the personalised service schedule for your
vehicle for details of the interval for this operation.
Fluid specification
the brake fluid must conform to the
manufacturer's recommendations.
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Practical information

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Coolant level
the coolant level should be close
to the "MA X" mark but should never
exceed it.
In addition, as the cooling system is pressurised,
wait at least one hour after switching off the
engine before carrying out any work.
to a

void any risk of scalding, unscrew the cap
by two turns to allow the pressure to drop. When
the pressure has dropped, remove the cap and
top-up the level.
It is normal to top-up the coolant
level between services (or coolant
replacements).
Fluid specification
the coolant must conform to the
manufacturer's recommendations. 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
the coolant is regulated by the fan.
Fluid specification
For optimum cleaning and to avoid freezing,
this fluid must not be topped-up with or
replaced with plain water.
Screenwash and headlamp
wash fluid
In the case of vehicles fitted with
headlamp washers, the low fluid level
is indicated by an audible signal and
a message in the instrument panel
screen.
to

p-up the reservoir when you next
stop the vehicle.
In wintry conditions, the use of an ethyl alcohol
or methanol base fluid is recommended. Avoid prolonged contact of used oil or
fluids with the skin.
Most of these fluids are harmful to
health or indeed very corrosive.
Do not discard used oil or fluids into
sewers or onto the ground.
ta

ke used oil to a P
e
uge
Ot
dealer or
a qualified workshop (France) or to an
authorised waste disposal site.
Used products
To p p i n g - u p
this additive must be topped-up by a
Pe ugeOt dealer or a qualified workshop
without delay.
Diesel additive level
(Diesel engine with
particle filter)
A low additive level is indicated by
illumination of this warning lamp,
accompanied by an audible warning
and a message in the instrument
panel screen.
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308_en_Chap07_info-pratiques_ed01-2016
Checks
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
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 P
e
uge
Ot
dealer or a
qualified workshop.
Particle filter (Diesel)
the start of saturation of the particle
filter is indicated by the temporary
illumination of this warning lamp
accompanied by a message in the
multifunction screen.
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 , 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.
t
h
is does
not affect the behaviour of the vehicle
or the environment.
un

less otherwise indicated, check these components in accordance with the manufacturer's
service schedule and according to your engine.
Other wise, have them checked by a Pe
ugeOt
dealer or a qualified workshop.
For more information and the precautions to
take before starting work on the 12 V batter y ,
refer to the corresponding section. 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.
7
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AdBlue® and SCR system
for BlueHDi Diesel engines
to assure respect for the environment and
conformity with the new
eu ro 6 emissions
standard, without adversely affecting the
per formance or fuel consumption of Diesel
engines, P
e

uge
Ot
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.
th
e AdBlue
® is held in a special tank with
a capacity of about 17 litres: this provides
a driving range of about 12 500 miles
(20

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.
During each scheduled service of your vehicle
by a P
e

uge
Ot
dealer or a qualified workshop,
the AdBlue
® tank is refilled in order to allow
normal operation of the SCR system.
If the estimated mileage of your vehicle
between two services is greater than
12

500

miles (20 000 km), it will be necessary
to top-up the AdBlue
®. 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
e
u
ro 6 standard: your
vehicle becomes polluting.
In the event of a confirmed fault
with the SCR system, you must go
to a P
e

uge
Ot

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.
7
Practical information