Why is my 2007 Mazda 6 overheating?
While there are a variety of reasons your Mazda 6 is overheating, the most common 3 are a coolant leak (water pump, radiator, hose etc.), the radiator fan, or a failed thermostat.
What kind of coolant does a Mazda 6 use?
Prestone 50/50 Coolant/Antifreeze.
What color is Mazda FL22 coolant?
Open the radiator cap and see how “green” it is if you are interested, but generally you only have fl22 IF it says on the cap. The FL22 is a heavy green, while regular coolant is a more neon-tint.
What causes an engine to overheat in a Mazda?
The engine may overheat due to erratic engine cooling fan operation as a result of a faulty cooling fan control module. Replacement of the fan control module would be necessary to correct this condition. Our technicians tell us the Mazda may provide assistance with the cost of this repair. Ready to sell? CarMax buys all kinds of cars
What kind of engine does a Mazda6 have?
I have a 2007 Mazda6 with the 3.0L V6 that I have owned since new. This (extraordinarily hot) summer I noticed for the first time that the radiator fan runs for 5-10 seconds after I turn the car off, even with the keys out of the ignition.
What was the problem with my Mazda 6?
Turns out this is a very common problem with all first generation Mazda 6 cars: The Fan Control Module (FCM) has a high failure rate. I replaced my FCM and it solved this problem.
When does the coolant fan run in a car?
The coolant fan will run when the coolant exceeds a certain temperature irrespective of if the engine is running or not. Some vehicles even have supplementary electric water pumps set to run after engine shut down to keep coolant circulating.
How does coolant work in a Mazda 6?
Engine coolant circulates through your engine to keep it cool in the summer but won’t freeze in the winter. Make sure to check your engine when it is cold for an accurate reading. The video above shows you where the coolant reservoir in your 6 is located and how to add coolant.
When to remove radiator cap in Mazda 6?
COOLING SYSTEM SERVICE WARNINGS Warning Never remove the radiator cap or loosen the radiator drain plug while the engine is running, or when the engine and radiator are hot. Scalding coolan Warning Never remove the radiator cap while the engine is running, or when the engine and radiator are hot.
I have a 2007 Mazda6 with the 3.0L V6 that I have owned since new. This (extraordinarily hot) summer I noticed for the first time that the radiator fan runs for 5-10 seconds after I turn the car off, even with the keys out of the ignition.
Why does my Mazda 6 fan controller fail?
However, these modules are common on earlier models as well. Also note on controller failure symptoms. Sometimes the modules will fail because the fans are the root cause of the problem, so it would be wise to verify the fans are in good working order before you replace the module.