Car overheating

Asked by Miata8314 Jan 28, 2020 at 05:23 AM about the 2002 Mazda MX-5 Miata SE

Question type: Maintenance & Repair

I have a nb Miata and my radiator has a leak
in it. The top plastic part cracked and spits
out coolant and pure white smoke once the
car heats up. I noticed that my car overheats
after a small drive. But even with the leak
shouldn’t it still be able to pump coolant
through out the car? Also the coolant reservoir
is full and I noticed that it won’t go down yet
the car over heats.... is this all dew to the leak
in the radiator? I’m this picture I indicated the
crack in the plastic radiator with a red line....

1 Answer


Study Boyle's Law. Then remove the egg on your face, smile, and realize a coolant system in an automobile is PRESSURIZED in order to raise the boiling point of water-coolant bath. Ever notice that when you open a carbonated beverage it releases gets bubbles as it sits and warms up. Aha.... Replace that radiator; aftermarket ones are cheap enough.

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