Renault Megane Manual page 206

OPERATING FAULTS
On the road
• Abnormal white smoke from the
exhaust.
• Vibrations.
• Coolant boiling in the expansion
bottle.
(continued)
CAUSES
Mechanical fault: damaged cylinder
head gasket.
Tyres not inflated to correct pressures,
incorrectly balanced or damaged.
Mechanical fault:
gasket blown, faulty coolant pump.
Engine cooling fan not working.
REMEDIAL ACTION
Stop the engine.
Contact a RENAULT Dealer.
Check tyre pressures. If this is not the
problem, have them checked by a
RENAULT Dealer.
cylinder head Stop the engine.
Contact a RENAULT Dealer.
Check appropriate fuse, otherwise
contact a RENAULT Dealer.
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