Renault Megane Driver's Handbook Manual page 237

OPERATING FAULTS
On the road
Steering becomes heavy.
The engine is overheating. The cool-
ant temperature indicator is in the
warning zone and warning light
®
comes on.
Coolant boiling in the coolant reser-
voir.
Radiator: If there is a significant lack of coolant, remember that it must never be topped up using cold coolant while
the engine is very warm. After any procedure on the vehicle which has involved even partial draining of the cooling
system, it must be refilled with a new mixture prepared in the correct proportions. Reminder: only products approved
by our Technical Department may be used for this purpose.
(4/6)
POSSIBLE CAUSES
Assistance overheating.
Engine cooling fan not working.
Coolant leaks.
Mechanical fault: damaged cylinder
head gasket.
WHAT TO DO
Consult an approved dealer.
Stop the vehicle, switch off the engine and
contact an approved dealer.
Check the coolant reservoir: it should con-
tain fluid. If there is no coolant, consult an
approved dealer as soon as possible.
Stop the engine.
Contact an approved dealer.
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