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WARNING
■
The following warning instructions must be followed at all times when
working in the engine compartment » page 260.
■
Never open the end cover of the coolant expansion reservoir while the
engine is still warm. The cooling system is pressurized - risk of scalding or
injury from being splashed with coolant!
■
To protect against coolant splashes, cover the cap with a cloth when
opening.
■
Coolant and coolant fumes are harmful - avoid contact with the coolant.
If your eyes or skin come into contact with the coolant, immediately wash
the affected area for a few minutes long with a lot of water and seek medi-
cal advice if required.
CAUTION
Do not cover the radiator or fit any parts (e.g. auxiliary lights) in front of the air
intakes - there is a risk of the engine overheating.
Checking and refilling
Fig. 300
Coolant expansion reservoir
Read and observe and on page 264 first.
Check the coolant under the following conditions and refill.
The vehicle is on a horizontal surface.
The engine is not warm (if the engine is warm, the test results could be in-
accurate).
The engine is turned off.
Check the coolant level - the coolant level must be between the marks
A
and
B
» Fig. 300. If the coolant level is below the mark
B
, refill the coolant.
Refilling
The coolant expansion tank must always contain a small amount of coolant
» .
›
Place a cloth over the cap of the coolant expansion tank and unscrew the cap
carefully.
›
Always top up using the correct specification of fluids.
›
Turn the cap until it clicks into place.
The specification of the coolant is shown on the coolant expansion reser-
voir» Fig. 300.
If no specified coolant is available, use only distilled or demineralised water and
have the mixing ratio of water and coolant additive corrected by a specialist
garage as soon as possible.
CAUTION
■
If the expansion tank is empty, do not top up with coolant. The system could
aerate - risk of damaging the engine! Do not drive the vehicle. Switch off
the engine and seek assistance from a specialist garage.
■
Do not fill the coolant above the mark
A
» Fig. 300. When it heats up, the
coolant could press out of the cooling system - there is a risk of damage to the
engine parts.
■
If it is not possible to add coolant, stop driving! Switch off the engine and
seek assistance from a specialist garage.
■
A coolant additive which does not correspond to the correct specification
can reduce the anti-corrosion effect of the cooling system - there is a risk of
damage to the cooling system and the engine.
■
If water other than distilled (demineralised) water is used, then have the
coolant replaced by a specialist garage - there is a risk of engine damage.
■
A loss of coolant could be due to leaks in the cooling system - there is a risk
of engine damage. Switch off the engine and seek assistance from a specialist
garage.
Note
A coolant level which is too low is indicated in the instrument cluster by the
warning light and shown by the relevant message » page 45. We still recom-
mend inspecting the coolant level directly at the reservoir from time to time.
264
General Maintenance
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