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Boiling coolant - Mazda Cars & Trucks

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Hi Innocent, There are several reasons why the coolant can overheat in a cooling system. Make sure that the cooling fans are cutting in when the temperature gauge is at just under the halfway mark. the fans should cut in and then after a short interval, stop. The most common cause is loss of coolant which is often related to a defective radiator cap. The cap is actually a pressure valve and when defective causes coolant lose. Another cause can be leakage from the core plugs or radiator hoses or metal piping. a 'blown' cylinder head gasket is another cause. If the timing belt has recently been replaced and the problem began at that time, the problem could be caused by incorrect installation of the belt causing the valve timing to be incorrect. I suggest you have a cooling system pressure test carried out, which will often pin point the cause if it is a leakage. Regards John

Posted on Oct 12, 2013

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I drive a Camry V6 3.0L Every time I top up the coolant to the recommended level and after driving the contents in the reservoir boil over and spill out.


There may be a slight head gasket leak to the coolant jacket, not large enough to overheat the engine. It is normal for some coolant to escape at operating temp, but not lots, and it should cool down to about the recommended level again.

Something is pressurising the coolant jacket. Have it tested for the presence of combustion gasses in the coolant. This is a simple test.

Another thing, that model often develops a crack in the radiator plastic top tank. It is not the problem here, but worth knowing.

https://www.youtube.com/watch?v=a3J00_e7fyo

Oct 29, 2016 | Cars & Trucks

2 Answers

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

2 Answers

Can I put water in the radiator instead of antifreeze


Yes you can, but be aware that when it freezes, it can bust the engine and radiator.

Nov 23, 2015 | Cars & Trucks

1 Answer

What is the high temperature range for the coolant


Your question isn't a simple black or white question, it's all relative to how many PSI is your radiator cap and what mixture of anti-freeze your running, and also, how old or new the anti-freeze (coolant) is.

The pressure cap on a cooling system is the key to raising the boiling point of the 50/50 mix of antifreeze and distilled water. For every pound of pressure cap rating the boiling of point of the above mixture raises 3 degrees. If you had plain water in your cooling system with a 15 pound pressure cap the water would boil @ 257 degrees. If you had a 50/50 mix of antifreeze and water the coolant would boil @ 265 degrees with a 15 pound cap. The boiling point would raise to 270 degrees if you had a 60% antifreeze mixture with a 15 pound cap. If you had a 70% mixture the boiling point would raise to 276 degrees.

Mar 11, 2014 | 1989 Cadillac Eldorado

1 Answer

Nissan altima coolant boiling


could be a number of things dose the heater get hot if not thormostat would be my first port of call if that dose not sort it it could be watter pump or head gasket failure presure testing coolant system would help to indicate what the fault is

Feb 18, 2013 | 1998 Nissan Altima

2 Answers

Overheating coolant boiling out into reserve tank


you have a blown head gasket.. doesn't have to have coolant in the oil for a blown head gasket... if hoses are rock hard when running then you have exhaust leaking into the coolant via a blown head gasket...

Jul 14, 2012 | 1998 Plymouth Breeze

1 Answer

I have purchased 2001 model Sebring Lxi. After driving just 20 miles I heard a sound of water boiling in coolant tank. Its too much boiling & sounds horrible. what should I do? Is this a serious Issue....


waterboiling in the coolant tank is not a good sign. water needs air to boil, and if you have air in the system, you are not getting the sufficient cooling you need to keep driving your vehicle. take it in to somewhere and havea coolant flush performed on it. if you would rather do it yourself, you can drain the coolant, fill with new coolant and add some coolant flush to the new coolant to clean out the system. NOTE. DO NOT leave coolant flush fluid in vehicle. You must remove the old coolant and fill with fresh coolant and bleed the system of any air to prevent your boiling. hope this helps.

May 12, 2011 | Chrysler Sebring Cars & Trucks

1 Answer

Coolant boiling out of reservoir, overheating.


Hi,
You have insufficient coolant inside radiator that it boiled during running. Just top your coolant to normal level and re try your car. If still boiled you may have : - clog up radiator or - defective thermostat
Check also the radiator and hoses for leaks.
Regards

Dec 24, 2010 | 2002 Jaguar X-Type

3 Answers

2000 firebird overheating coolant orange color. Was warming up in Driveway.


The coolant was boiling, am I correct in reading that? A muddy, dull orange color is bad. From what you've told me, it sounds like the coolant was never changed. What happened, then, is the coolant that was in there lost its anti-corrosion properties and started rusting out the coolant paths and radiator. The boiling over can be caused by one thing - the thermostat. What most likely happened is either the thermostat froze up or it is clogged with particles of rust and metal. My recommendation to you is to take your car to a radiator shop and have them look at it. If the damage is as bad as I think it is, don't be surprised if they tell you you will need a new radiator, thermostat, hoses and maybe a water pump.

Dec 09, 2009 | 2000 Pontiac Firebird

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