Mazda Mazda6: Engine Coolant - Maintenance and Care - Mazda6 Owners ManualMazda Mazda6: Engine Coolant

Inspecting Coolant Level

WARNING:

Do not use a match or live flame in the engine compartment. DO NOT ADD COOLANT WHEN THE ENGINE IS HOT:

A hot engine is dangerous. If the engine has been running, parts of the engine compartment can become very hot. You could be burned.

Carefully inspect the engine coolant in the coolant reservoir, but do not open it.

Switch the ignition to off and make sure the fan is not running before attempting

Switch the ignition to off and make sure the fan is not running before attempting to work near the cooling fan:

Working near the cooling fan when it is running is dangerous. The fan could continue running indefinitely even if the engine has stopped and the engine compartment temperature is high. You could be hit by the fan and seriously injured.

Do not remove the cooling system cap when the engine and radiator are hot:

Do not remove the cooling system cap when the engine and radiator are hot:

When the engine and radiator are hot, scalding coolant and steam may shoot out under pressure and cause serious injury.

NOTE:

Changing the coolant should be done by an Authorized Mazda Dealer.

Inspect the antifreeze protection and coolant level in the coolant reservoir at least once a year―at the beginning of the winter season―and before traveling where temperatures may drop below freezing.

Inspect the condition and connections of all cooling system and heater hoses.

Replace any that are swollen or deteriorated.

The coolant should be at full in the radiator and between the FULL or F and LOWor

The coolant should be at full in the radiator and between the FULL or F and LOWor L marks on the coolant reservoir when the engine is cool.

If it's at or near LOWor L, add enough coolant to the coolant reservoir to provide freezing and corrosion protection and to bring the level to FULL or F.

CAUTION:

Rinse it off quickly if spilled. Radiator coolant will damage paint.

Rinse it off quickly if spilled.

in the coolant mixture. Use only soft (demineralized) water in the coolant mixture.

Water that contains minerals will cut down on the coolant's effectiveness.

a proper coolant mixture. Don't add only water. Always add a proper coolant mixture.

must be protected by an ethylene-glycol-based coolant to prevent corrosion and freezing. The engine has aluminum parts and must be protected by an ethylene-glycol-based coolant to prevent corrosion and freezing.

Alcohol, methanol, Borate or Silicate. DO NOT USE coolants Containing Alcohol, methanol, Borate or Silicate.

These coolants could damage the cooling system.

with the coolant. This could damage the cooling system. DO NOT MIX alcohol or methanol with the coolant. This could damage the cooling system.

more than 60% antifreeze. Don't use a solution that contains more than 60% antifreeze.

This would reduce effectiveness.

If the coolant reservoir is empty or new coolant is required frequently, consult an Authorized Mazda Dealer.

    Engine Oil
    NOTE: Changing the engine oil should be done by an Authorized Mazda Dealer. Recommended Oil Use SAE 5W-20 engine oil. Oil container labels provide important information. A chief contribution this ...

    Brake/Clutch Fluid
    Inspecting Brake/Clutch Fluid Level The brakes and clutch draw fluid from the same reservoir. Inspect the fluid level in the reservoir regularly. It should be kept at MAX. The level normally drops ...

    See also:

    Vehicle security system
    The vehicle security system provides visual and audible alarm signals if someone opens the doors or trunk lid when the system is armed. It is not, however, a motion detection type system that acti ...

    Tire Pressure Monitoring Low Pressure Warnings
    The “Tire Pressure Monitoring Telltale Light” will illuminate in the instrument cluster, a LOW TIRE message will be displayed for a minimum of five seconds and a chime will sound when tir ...

    Using the Hands-free system
    Turning on/off the Hands-free mode 1) OFF hook switch 2) ON hook switch To turn on the Hands-free mode, press the OFF hook switch . To turn off the Hands-free mode, press the ON hook switch . ...