Question about 2007 Nissan Sentra 2.0 SL Sedan

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Hear boiling water on the radiator - 2007 Nissan Sentra 2.0 SL Sedan

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I would check the radiator cap. Does your car overheat while you drive or sitting?

Posted on Feb 05, 2010

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Posted on Jan 02, 2017

MrScary66613
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SOURCE: water boils out of radiator cap when the engine is switch off

You need to Change your Thermostat.

Posted on Jan 14, 2009

  • 187 Answers

SOURCE: water from radiator is boiling over to antifreeze

That is what the over flow reservoir is for. But if it is a lot of water than it could be a problem. If the engine runs hot and overheats from time to time and adding coolant does not help than there is something wrong. Just monitor the engine temp for a time to see if it is getting hot.

Posted on May 08, 2009

  • 65 Answers

SOURCE: boiling over

your radiator should've been changed it could be clogged and fluid can't get by. is the rad cap plastic? If so it might not be holding any pressure becuase it has over heated a couple at least and ruined the seal. hope i helped, have a nice day.

Posted on Aug 21, 2009

  • 1 Answer

SOURCE: 2004 dodge ram 4.7 liter v8 overheating after

Its a blown head casket, Check under the oil cap for moisture!

Posted on Aug 24, 2009

  • 52 Answers

SOURCE: water boiling problem?

Check your radiator, any coolant left?

Posted on Feb 01, 2010

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My 2002 saturn boils over but does not overheat sometimes i will drive across town and all is fine sometimes i will drive 7 miles and reservoir will boil over.im guessing thermistat water pump or cap


Of the water is boiling them it has run hot. There is no way around this fact. Get a compression test done first. This should reveal if any damage has been done. Then address the boiling off problem. This can be a air pocket in the line, incorrect anti freeze mixture, sticking thermostat, water pump, cap, etc.

Oct 20, 2016 | Saturn Cars & Trucks

1 Answer

2006 Chevy trail blazer. Keeps getting hot. Anti-freeze is full, overflow container is half full. Every time I turn it off can hear fluid in radiator boiling and bubbling?


Pam are you sure it's boiling? If the Antifreeze is boiling I'd think you'd see steam coming out of your reservoir as the water expands into the reservoir, but you didn't say you see anything like that.
Of course engines get hot, that's why we have the cooling systems but it doesn't sound like it's "boiling" to me with no signs of visible steam unless your antifreeze level is really low?

If it's really boiling, and you antifreeze level is good, then your reservoir should be getting filled up with expanded hot water that goes into it to catch it when it expands.

If the water isn't going into the reservoir, then maybe your antifreeze level in the radiator is too low and you need to add antifreeze?
.
Best to fill the radiator with the engine cooled down. If you ever have to open the radiator when it's hot, NEVER open it with your bare hand as you could get scolded with boiling water. Instead use a big thick towel to remove the radiator cap off a hot engine. Again, if you can, just wait until the engine cools then open the radiator cap.

With the engine cool, you can fill the radiator with a 50/50 antifreeze mix. The 50/50 mix come premixed 50 percent water, and 50 percent antifreeze. So you can throw that stuff straight into the radiator.

Non mixed antifreeze needs to be mixed 50/50. Some people use 50 percent distilled water when they mix it because distilled water doesn't have the minerals in it that may get stuck in your radiator. That's being a bit picky about it though. Tap water works fine in a pinch. The other 50 percent is antifreeze. You can mix it right in the radiator too, put in a measured amount of the antifreeze, followed by the same measured amount of water. The water pump will mix it all together when you run the engine.

Put the cap back on and run the engine and if/when the water "boils" it should go into your reservoir. If it does boil in go in the reservoir then yes...your engine is getting hot and the antifreeze is boiling.

When the antifreeze boils, it's probably because your thermostat is stuck closed. That means the thermostat isn't letting water circulate through the radiator to get cooled. Thermostats are cheap...no more than $30 I'd say for most cars. Changing them is pretty easy too as they are usually right at the top of the engine. A mechanic may charge $100 to change it....but it's an easy job on most vehicles requiring just a couple sockets/socket wrench.

Oct 03, 2016 | Cars & Trucks

1 Answer

Keep running hot


Need more information as in how long after starting the engine does it indicating hot, can you see steam venting from the radiator or hear water boiling, are all visible v-belts in place, is the engine running smoothly or not, when was it last serviced - timing can be out, is there anti freeze in the radiator water and if so in the correct ratio. More info please.

Aug 05, 2015 | 2000 Ford Crown Victoria

1 Answer

Have water boiling & backing up thru radiator on 1990 dodge dynasty


sounds like blown head gasket only fix is to replace it.

Dec 22, 2012 | 1990 Dodge Dynasty

1 Answer

Hoses hard top and bottom on grandam 04 with 3400.Over heats when driving.


The radiator cap maintains pressure water boil at 110F, now if you pressure boiling water you increase the boiling point for ever 1 LB you increase the boiling point 10F. So the vehicle optimum temperature is 210F. You have 2 possible head gasket scenerio. 1 when overheats and has a head gasket you get water and oil mixed. the second is what you have combustion in the cooling system.When the vehicle is cold or cool open the radiator cap smell in the radiator if it smell like fuel or a\burnt rubber you will need a head gasket and to find the reason it overhead to begin with

Feb 23, 2012 | 2004 Pontiac Grand Am

1 Answer

Antifreeze boiling over when car is overheatind and Wen its not overheating changed thermostat radiator bled and flushed it changed temperature switch no oil and water mixture No smoke


Check the over flow tank located in front of the passenger side glove box for water or fluid. When driving the car, listen by the glove box to see if you car hear a boiling sound. If you can hear water boiling or moving, check your heater core to make sure it is not plugged or bad. When the car starts to over heat, does the gauge register that it is getting hot? If it doesn't then check the thermostat to make sure it is not stuck open or closed. If its over heating and the gauge is not showing that the car is running hot before boiling over, then the thermostat is defective or not working. Try replacing it again.

Sep 23, 2011 | 2000 Volvo V40

1 Answer

How can i tell if i have a blown gasket i cant really tell where water is leaking from but i can kins see it running out what looks like a pan or somthing under like the water pump area under cranshaft and...


Hi, If you see white smoke coming from tail pipe then you will know it is leaking through engine.
I would suggest after you replace head gasket, that you put new radiator fluid (50/50) mix and a new thermostat in. The fluid will keep it from boiling over. Good luck.

Jun 14, 2011 | 1985 Oldsmobile 98

1 Answer

Water boiling problem?


Check your radiator, any coolant left?

Jan 31, 2010 | 1994 Mitsubishi 3000GT

1 Answer

Water boiling back in the resevoir after running 10 min thermostat is new and so are hoses. then car starts to run bad and shuts off.


Sounds like a plugged radiator or bad water pump, assuming the thermostat was put in correctly. If you hear a loud whining noise from the water pump when running, that's probably the problem, and it's more common than bad radiators.

Sep 28, 2009 | 1995 Dodge Neon

3 Answers

Car overheats and coolant boils


sounds like the thermostat may be sticking closed. i would check to see if the thermostat is opening or not

Jul 31, 2009 | 1999 Dodge Neon

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