Radiator Cap - Mitsubishi LANCER Owner's Manual

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Vehicle care and maintenance

Do not use water to adjust the concentration of cool-

Do not top off the tank with plain water only. Water

by itself boils at a lower temperature and does not

stop rust or freezing. If the water freezes, it will

damage your cooling system. Do not use tapwater. It

can cause corrosion and rust.

Radiator cap

The radiator cap must be tight sealed to prevent losing coolant

which may result in engine damage. Only use a Genuine Mit-

subishi Parts radiator cap, or an approved equivalent.

Wait for the engine to cool down before opening the

radiator cap. Otherwise hot steam or boiling coolant

could spray up from the radiator and scald you.

Points to remember

Do not overfill the reserve tank.

Your vehicle uses a special radiator cap that stays sealed

and lets the coolant flow from the reserve tank back to the

radiator when the engine cools down. If you need to

change the cap, use the exact same kind.

Check the coolant freeze point in the radiator with the

proper gauge, and only when it is safe. If you add anti-

freeze, the contents of the reserve tank must be protected

against freezing.

Keep the front of the radiator and condenser clean.

If the temperature of the engine coolant does not rise after

the engine is warmed-up, take your vehicle to an autho-

rized Mitsubishi Motors dealer or a repair facility of your

choice to have the thermostat checked, and replaced if

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