NOTICE
If the liquid in the coolant expansion tank is
not purple, the c
orrect coolant has been
mixed with another, unsuitable coolant ad-
ditive. Failure to observe this warning can
result in serious malfunctions or damage to
the engine and cooling system.
·
In this case, have the coolant changed
immediately.
·
Never mix genuine coolant additives with
other coolants that have not been ap-
proved.
Coolant and coolant additives can
pollute the environment. C
ollect any
service fluids that escape or are spilled and
dispose of them correctly and with respect
for the environment.
Checking the coolant level and re-
lling c
oolant
Please refer to , and on page
312 and at the start of the chapter on
pa
ge 321.
Preparations
Fig. 199 In the engine c
ompartment: coolant
expansion tank cap
1. Park the vehicle on a firm and level sur-
face.
2. Allow the engine to cool down →
.
3.
Open the bonnet
→ pa
ge 314.
You can identify the coolant expansion
tank by the
symbol on the cap
→ Fig. 1
99.
WARNING
Hot steam and hot coolant can cause se-
rious burns.
Never open the bonnet if you c
an see or
hear steam or coolant coming out of the
engine compartment. Always wait until
no escaping steam or coolant can be seen
or heard. Hot components can burn the
skin.
·
The cooling system is under pressure
when the engine is hot. Never open the
cap of the coolant expansion tank
when the engine is hot. Coolant may
spray out and cause serious burns and
other injuries.
— Turn the cap slowly and very carefully
anticlockwise while exerting some
downward pressure on the cap.
— Always protect your face, hands and
arms from hot coolant or steam by
placing a large, thick cloth on the cap
of the coolant expansion tank.
Warning lamp
T
he warning lamp for the engine
coolant will light up if the engine
coolant level is too low.
1.
Do not drive on! S
top the vehicle as
soon as possible and when safe to do
so.
2. Seek expert assistance immediately.
3. If the coolant level is too low and it is
not possible to obtain expert assis-
tance, check the coolant level and add
coolant →
.
Checking the c
oolant level
Fig. 200 In the engine c
ompartment: mark
on the coolant expansion tank (illustration).
322 Checking and refilling
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