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It has expanded as far as it can inside of the engine so it has to go somewhere!

See if you have enough anti frez ( what till the engine cools down first ) or make sure if the mixture of water/anti frez is correct 30% water to 70% anti freeze .

Check your thermostat.

If the coolant is coming out of a weep-hole on your water pump, pump is bad.

Check the hose clamps, soft hoses.

plug up radiator, heater core.

Even if you have had service done on your car, you may have and air pocket in your system, they didn't burp the system right, take it back.

also make sure the antifreeze, "if a mix yourself fluid" has distilled water mixed with it. distilled water has a higher boiling rate than water with impurities, thus preventing boil out.

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Q: Why does antifreeze come out when the car is hot?
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Related questions

Should the car be cold or Hot to Check antifreeze?

cold. If you open the radiator when the car is hot, it can spray all over the place.


Why is the Antifreeze level high when car is hot but when car is cool down there is no antifreeze?

Coolant will expand as it heats - that's the purpose of the coolant recovery tank - to take excess when vehicle is hot and return it to the radiator when vehicle cools


What mixture of antifreeze does your car need?

Ford vehicles come from the factory with a 50 / 50 mix of antifreeze and distilled water


Can your car smoke if you put to much antifreeze in it?

If you overfill the reservoir and radiator with antifreeze, it will generally expand as it gets hot and spill out of the reservoir. When it does that, it will usually spill onto the hot engine and create "smoke".


Why do you smell antifreeze outside the car when you drive but the car is not overheating?

a leak is probably getting on something hot and cooking away


What is antifreeze use for?

Antifreeze/Coolant is a fluid that prevents the car from overheating or becoming so cold that it won't start. Without it, in the summer, your car would run too hot, and in the winter, your car wouldn't run at all.


Why does the inside of my car smell like antifreeze but there are no leaks and is not running hot?

i believe your heater core has died


Why wont your fans come on with the air but they do come on when it gets hot?

when the air dont come on when its hot its because theres no air getting into the car and the car starts to get hot


What could be causing antifreeze to come out after car shut off out of the reservoir?

The engine is overheating.


What is the best mixture ratio of antifreeze to water for your car?

Ford vehicles come from the factory with a 50 / 50 mix of distilled water and the appropriate antifreeze . They state not to exceed 60 % antifreeze


What causes antifreeze to come out the overflow?

when your engine is hot it causes the water to boil and the water and the anti freeze will come out of the overflow pipe.


How much antifreeze does a 2003 Honda accord take?

with the car cold. fill radiator to just before it comes out of the top. drive car to make it hot. let it get cold again and ad antifreeze until just before it comes out of top.