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Sometimes it is not actually "boiling", but bubbling. Start by getting a new radiator cap. It is the first thing you should do, and is easy. *MAKE SURE YOUR CAR IS NOT HOT WHEN REMOVING A RADIATOR CAP* When air enters the closed/pressurized cooling system, the air ends up in your reservoir tank and bubbles the top. ! Chris

Hey L==Either the engine coolant level is extemely low or the temp sending unit is incorrect. Make sure the radiator is full of coolantWHEN THE ENGINE IS COOL. If it still does it, have the temp gauge checked. GoodluckJoe

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โˆ™ 2015-07-15 20:48:32
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Q: Coolant is boiling in your reservoir but car temperature is remaining normal what is wrong?
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Related questions

Why is Coolant is full and engine overheats coolant is boiling in reservoir?

Tough to narrow it down with such little detail, but it sound like your car's thermostat may be malfunctioning and not controlling the temperature correctly.


How can you tell when a head gasket needs to be replaced on a 1992 Camaro?

if the coolant in the overflow rises and overspills when you shut the car off or is boiling in the reservoir


Why should a water cooling system be pressurized?

Higher pressure raises the boiling temperature of the coolant.


Why is your 2000 Ford Contour Coolant Reservoir boiling and steaming?

Sounds to me like you have a leaking head gasket. Take the car to a good mechanic and have him check it out.


Where to put water and coolant Into a 2000 BMW X5?

The water and coolant is put in the coolant reservoir for the location of this refer to the owners manual. It is best to do this when the engine is cold otherwise you run the risk of getting boiling water all over you. the mixture of coolant to water should be about 50/50.


Why does a coolant have to travel through sealed pipes?

A few of the reasons: 1. So that the coolant does not leak out of the system. 2. So that the coolant can be made to circulate through the pipes (pressure is required). 3. So that Pressure can build up in the cooling system. This allows the coolant to reach a higher temperature before boiling. Once at its boiling point, the temperature will not rise, and additional cooling is inhibited.


Should coolants have high boiling points?

Coolants should have low boiling point so as to give more cooling effect. Lower the boiling temperature, more will be the amount of heat absorbed by the coolant from the surrounding.


Does a mix of coolant and water have a higher boiling point than water alone?

Yes. Water boils at 212 degrees. A 50/50 mix of water and antifreeze boils at 223 degrees. The temperature of the coolant can sometimes reach 250 to 275 F (121 to 135 C). Even with ethylene glycol added, these temperatures would boil the coolant, so something additional must be done to raise its boiling point. The cooling system uses pressure to further raise the boiling point of the coolant. Just as the boiling temperature of water is higher in a pressure cooker, the boiling temperature of coolant is higher if you pressurize the system. Most cars have a pressure limit of 14 to 15 pounds per square inch (psi), which raises the boiling point another 45 F (25 C) so the coolant can withstand the high temperatures. Antifreeze also contains additives to resist corrosion.


My car temperature gage goes up to max and the reservoir coolant would be boiling and all the coolant would fall to the groundcan you please tell me what is going on with my car thank you?

first thing to check would be the thermostat in the engine. next check the radiator cap. also check that radiator hoses are good, and not soft.if they are soft they can colapse when hot, stopping the coolant from circulating check to see if there is coolant in the oil that would indicate a blown head gasket.


Why does the coolant gauge go to 200 degrees?

It is measured in Fahrenheit on US cars, and boiling temperature is 212°F. The scale indicates coolant temperature and over 200 would mean overheating, as steam could form in an unpressurized system.


Why is your coolant boiling?

Your engine is too hot.


Your coolant reservoir is boiling but the engine is not overheating according to in-dash gauge and there are no leaks what does this mean?

== == Sometimes it is not actually "boiling", but bubbling. Start by getting a new radiator cap. It is the first thing you should do, and is easy. *MAKE SURE YOUR CAR IS NOT HOT WHEN REMOVING A RADIATOR CAP* When air enters the closed/pressurized cooling system, the air ends up in your reservoir tank and bubbles the top. Sometimes(depending on vehicle) it will even exit the reservoir tank through an overflow hose and appear to be a leak. Hope this helps! Chris not enough water or coolant in radiator.

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