Practical information -> Engine compartment for Your Peugeot 408 4 Door Second Generation (2022-2026)

Practical information  
Closing  
Stop & Start / e-Auto mode  
Cooling of the engine when stopped  
The engine cooling fan may start after  
the engine has been switched off.  
Take care with objects or clothing that  
could be caught in the blades of the fan!  
Before doing anything under the bonnet,  
you must switch off the ignition to avoid any  
risk of the engine restarting automatically.  
Take care with objects or clothing that could  
be caught in the blades of the cooling fan  
or in certain moving components - risk of  
strangulation and serious injury!  
Lower the bonnet and release it near the end  
of its travel.  
Check the locking.  
Because of the presence of electrical  
equipment under the bonnet, it is strongly  
recommended that exposure to water (rain,  
washing, etc.) be limited.  
Opening  
Engine compartment  
Rechargeable hybrid vehicles  
The engine shown here is an example for  
illustrative purposes only.  
Before any work is carried out under the  
bonnet, it is essential to switch off the ignition  
and disconnect the charging connector nozzle  
if it is connected, check that the READY  
indicator lamp is off on the instrument panel  
and wait 4 minutes - risk of serious injury!  
The locations of the following components may  
vary:  
Air filter.  
Open the left-hand front door.  
Pull the interior release lever, located at the  
bottom of the door frame, towards you.  
Engine oil dipstick.  
Engine oil filler cap.  
Petrol engine  
The location of the interior bonnet release  
lever prevents the bonnet being opened  
when the left-hand front door is closed.  
When the engine is hot, handle the  
exterior safety catch and the bonnet stay  
with care (risk of burns), using the protected  
area.  
When the bonnet is open, take care not to  
damage the safety catch.  
1.  
2.  
3.  
4.  
5.  
6.  
7.  
8.  
Screenwash fluid reservoir  
Engine coolant reservoir  
Brake fluid reservoir  
Battery/Fuses  
Remote earth point (-)  
Fusebox  
Do not open the bonnet under very windy  
conditions.  
Lift the exterior safety catch and raise the  
bonnet.  
Unclip the stay from its housing and place it  
in the support slot to hold the bonnet open.  
Air filter  
Engine oil filler cap  
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Practical information  
Checking using the dipstick  
9.  
Engine oil dipstick  
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).  
For the location of the dipstick, please refer  
to the illustration of the corresponding engine  
compartment.  
9
Electric engine  
Grasp the dipstick by its coloured grip and  
pull it out completely.  
Used products  
Wipe the end of the dipstick using a clean,  
lint-free cloth.  
Avoid prolonged contact of used oil or  
fluids with the skin.  
Most of these fluids are harmful to health and  
very corrosive.  
1. Screenwash fluid reservoir  
2. Engine coolant reservoir (level only)  
3. Brake fluid reservoir  
4. Battery/Fuses  
5. Remote earth point (-)  
Do not discard used oil or fluids into  
sewers or onto the ground.  
6. Fusebox  
7. 400 V electrical circuit  
8. Emergency circuit-breaker for emergency  
services and maintenance technicians  
Empty used oil into the containers reserved  
for this purpose at a PEUGEOT dealer or a  
qualified workshop.  
Reinsert the dipstick and push fully down,  
then pull it out again to visually check the oil  
level: the correct level is between marks A  
(max) and B (min).  
For more information on the Charging system  
(Electric), refer to the corresponding section.  
After topping up, carefully screw the cap back  
on to the filler neck  
Engine oil  
The level is checked, with the engine  
having been switched off for at least  
30 minutes and on level ground,  
either using the oil level indicator in  
the instrument panel when the ignition  
Do not start the engine if the level is:  
Checking levels  
Check all of the following levels regularly in  
accordance with the Manufacturer's service  
schedule. Top them up if required, unless  
otherwise indicated.  
If a level drops significantly, have the  
corresponding system checked by a PEUGEOT  
dealer or a qualified workshop.  
above mark A: contact a PEUGEOT dealer  
or a qualified workshop.  
below mark B: top up the engine oil  
is switched on (for vehicles equipped with an  
electric gauge), or using the dipstick.  
It is normal to top up the oil level between two  
services (or oil changes). It is recommended that  
you check the level, and top up if necessary,  
every 3,000 miles (5,000 km).  
immediately.  
Oil grade  
Before topping up or changing the  
engine oil, check that the oil is suitable  
for your engine and complies with the  
recommendations in the service schedule  
supplied with the vehicle (or available  
from your PEUGEOT dealer or qualified  
workshop).  
The fluids must comply with the  
Manufacturer's requirements and with the  
vehicle's engine.  
In order to maintain the reliability of the  
engine and emissions control system,  
never use additives in the engine oil.  
Use of non-recommended oil may invalidate  
your warranty in the event of engine failure.  
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