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Dépannage
Faults and probable causes
Engine overheats / Engine coolant temperature too high
Faults Solution
Seawater valve is closed Open the seawater valve
Seawater fi lter is clogged Close the seawater valve and clean the fi lter
Seawater pump is sucking air
Check the position and seal of the seawater fi lter cover
and the suction hose
Coolant circuit pump belt is slack or faulty Re-tighten or replace the belt
Coolant pump is faulty Replace the pumpe and the belt
Seawater pump rotor is faulty Replace the rotor
Insuffi cient coolant
Fill with coolant and check that the cooling system is leak-
tight
Thermostat is malfunctioning Replace the thermostat
Cooling system is blocked Locate the problem and clean
Closed cooling circuit is dirty Clean and rinse
Loss of pressure in the closed cooling circuit
Check there are no leaks. Clean, inspect and check the
fi ll cap
Coolant is unsuitable
Use the recommended coolant (see technical
specifi cations)
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