Question about Mazda 323

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My coolant is boiling or over heating my radiator and overflow on my madza 323

I've replace the radiator cap and tried running the motor to get the air pockets out.

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  • Mazda Master
  • 5,618 Answers

THERMOSTAT STUCK CLOSE.

Posted on Nov 25, 2014

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

motor1258
  • 6674 Answers

SOURCE: 99 DODGE STRATUS RADIATOR OVERFLOW BOTTLE

Double check that your rad cooling fan is operating as it should, but after that, I'd be looking at a good rad flush, or rad replace. Believe it or not, your heater core is like a small rad, and when you turn the heater on, it actually cools the circulating coolant, slighly,and therefore shows a difference on your gauge. Like I said, make sure the rad fan is coming on when engine temperature is at normal or slightly higher, and if it is, then I'd be taking a close look at my radiator, especially if it wasn't replaced when headgasket was done.

Posted on Aug 27, 2008

stormbrewin
  • 426 Answers

SOURCE: Coolant filling up overflow bottle

You may need to ask AAA to put a radiator pressure tester on the resevoir bottle and pump it up to operating pressure(Pressure cap rating) and see if it over pressurises while it is running at operating temp,rev engine up and down and watch what the testers pressure readings do,it should move up and down in sync with the water pump.If the pressure keeps building i would have to believe that combustion chamber gases are over pressurising your cooling system.Also test the pressure cap is functioning within factory specs.

Posted on Oct 30, 2008

alicantecoli
  • 22095 Answers

SOURCE: erratic idle- 1992 toyota Pickup, 22Re

sounds like head gasket ???

Posted on Jan 01, 2009

  • 1 Answer

SOURCE: car runs hot

CHECK YOUR RELAY IN YOUR FUSE BOX UNDER THE HOOD ON THE DRIVERS SIDE INNER FENDER. THE A/C AND THE HEATER RELAY ARE SAME. CHECK AND SEE IF THE A/C REALY WORKS BY TURNING ON YOUR A/C SWITCH. THE ELECTRIC FAN SHOULD START RIGHT AWAY. OTHERWISE YOU HAVE TO WAIT TILL THE ENGINE ACHEIVES OPERATING TEMP TO KICK THE FAN ON. IF ONE DON'T WORK AND OTHER OTHER DOES... SWITCH THE RELAY AND SEE IF IT WORKS. BEEN THERE AND DONE THAT. $9.00 FOR A NEW RELAY AT CHECKER AUTO PARTS.

Posted on Feb 14, 2009

roniecon
  • 6826 Answers

SOURCE: 95 trooper overheats but replaced thermostat,radiator,cap,hoses.

make sure ur fan clutch is puling some air and replace rad cap with new onr u may have to replace radiator long trips not getting enough water cooled

Posted on Jun 30, 2009

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4 Answers

What is causing antifreeze to come out overflow tank?


Could be a defective radiator cap, or a leaking head gasket.

Oct 28, 2014 | 1999 GMC Suburban

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I have replace the water pump, thermostat, radiator cap, antifreeze and purged it for air bubble, but my 2005 Buick Rendezvous still is running hot. The coolant in the radiator is circulating and rema


Well, I would say that the radiator would be next on your list, but usually the overflow is attached to the radiator, so that should be impossible to boil before radiator. How does the temperature gauge look? Even if any parts are hot to the touch that doesn't necessarily mean they are overheated. It may be that the system is still working out bubbles, hence the overflow boiling over.

Oct 08, 2014 | Cars & Trucks

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Overflow tank boils when hot


Its normal for the car to have antifreeze going to the overflow tank if thats what your asking.

Aug 24, 2013 | Hyundai Tiburon Cars & Trucks

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Radiator cap overflow do they go bad


do they go bad, that part is easy,
entropy happens , throughout the universe.
cars, x10000 (a mechanic is born, for this task)

my guess, is the car is boiling over, right?
post all symptoms and what size engine.

if boiling over.
try a new cap, on the radiator.
the overflow tank is for normal AF coolant expansion.
and the reverse actions. cooling and contraction.

over heating has only 2 causes, in the macro.
engine makes too much heat.
cooling system failures.
the mechanic has tools and tests that find out which one it is.
if not a hand on person, take it to any ASE rated shop.

Aug 23, 2013 | 2006 Suzuki Forenza

2 Answers

OVERFLOW IS BOILING


If the thermostat is not opening, the engine will keep getting hotter as you drive. You could be low on coolant and have air pockets in the system which would cause the temp gauge to not be accurate. Is the radiator fan coming on when the tank is boiling ?

Jul 29, 2013 | 2001 Chrysler Concorde

1 Answer

How do i put water in my radiator?


you need to replace thermostat and radiator cap.look under hood around engine compartment.look for a radiator cap near radiator,add 50/50 antifreeze and water to coolant system to bring up boiling point.pure water will cause engine run hotter because water evaporate away,remove radiator pour coolant in the radiator until coolant stop dropping in the radiator now some vechicle pour coolant in the coolant overflow jug,pour coolant until coolant level stop dropping and the coolant level stay at cold full mark.start engie let idle few minutes, watch coolant level in radiator if coolant start dropping add more coolant, when coolant level stop dropping put radiator cap back on let engine idle until both top radaitor hose and bottom coolant hose get warm turn off engine wait until it get cool then take a large rag slightly open radiator just a litle at a time to keep from getting scaled.once radiator remove add more coolant if low,put radiator cap back on start the engine let it idle watch the temp gauge if temperature gauge going hot zone stop engine wait until cool then add more coolant,keep doing this until engine stop overheating going into hot zone and coolant level stop dropping,make the coolant overflow jug coolant level stay at full cold mark, dont let jug run empty if so air will get in the coolant system causing engine to overheat.

Jul 22, 2012 | 2000 Plymouth Breeze

1 Answer

The car was overheating i checked all hoses and replaced the thermostat the radiator it still is ovrheating and the water is boiling in the overflow tank


Answer could be a faulty thermostat,or it could be a sign that your head gasket is about to blow ,or last of all your timing could be out of sync.

Answer 2 from Inventus: It means your cooling system is funtioning properly. In a system having a coolant recovery tank, coolant in the radiator is always up to the brim, hot or cold. There is negligible or no air space. When coolant in the radiator expands sufficiently due to warming from the engine, it will squeeze past the pressure cap's bottom seal and flow into the recovery tank. (If no provision for such expansion was present, the expansion would rupture the radiator or your hoses.) Only coolant within the radiator is under pressure, and because of this pressure (together with the elevated boiling point that the "anti-freeze" permits), it normally does not boil. But once past the pressure cap's bottom seal, the overflow is at atmospheric pressure and therefore boils.
This boiling is usually unnoticed after a short, i.e., local, trip because the cooler coolant already in the recovery tank quenches it. But after some highway driving the influx of more hot overflow heats up all the coolant in the recovery tank to the (unpressurized, i.e., "natural") boiling point.
As the engine cools when shut off, the contracting coolant in the radiator sucks back coolant from the recovery tank. Fluid in the recovery tank should never be below the "full hot" or "full cold" marks, lest air be sucked in.
-- BETTER ANSWER ==
Your cooling fans are not turning on. It is not normal for your overflow tank to boil like that. It is true that your radiator is overflowing into the reserve tank, but that means yourr adiaotor is boiling. Check for blown fuses or relays for your cooling fans. IF theya re fine. run your engine for about 15 minutes and drive. When you temp level is at normal operating temp open your hood with the engine runing and see if your fans are on. If they are, then you may have a bad thermostat or a plugged radiator, or a bad water pump. If the fans are not on, get your cooling fan switch replaced if your car has one. Check your temp sending sensor

Oct 30, 2011 | Cars & Trucks

1 Answer

CAR RUNNING HOT AFTER I CHANGED A BAD RADIATIOR OK RADIATIOR HAD A WHOLE IN IT WE CHANCED IT BUT NOW ITS RUNNING HOT HOW DO I PROPERLY REFILL THE RADIATIOR


CHECK COOLANT LEVEL STILL LOW.ADD MORE COOLANT.UNTIL RADIATOR OVERFLOW FULL AT COLD MARK.THEN CRANK ENGINE UP LET IDLE FEW MINUTES LOOK DOWN COOLANT OVER FLOW JUG ADD MORE COOLANT IF LEVEL DROPPED.WHILE ENGINE RUNNING KEEP EYE ON TEMPERATURE GAUGE.WHEN THERMOSTAT HOSE GET HOT.TURN OFF ENGINE WAIT A LITTLE WHILE TO KEEP FROM GETTING SCALD TAKE LARGE RAG PLACE OVER OVERFLOW JUG RADIATOR CAP.OPEN CAP A LITTLE A TIME.IF COOLANT TRIES BOIL OUT.LET VECHICLE SET A WHILE LONGER.ADD MORE COOLANT.WHEN COOLANT LEVEL CORRECT AND ALL AIR OUT THE COOLANT SYSTEM.IT WILL STOP OVERHEATING.LONG AS ENGINE RUNNING HOT TURN OFF THE ENGINE POUR IN MORE COOLANT UNTIL COOLANT LEVEL STOP DROPPING IN RADIATOR.KEEP COOLANT LEVEL IN OVERFLOW AT COLD MARK.DONT OVER FILL OVERFLOW JUG.

Jan 23, 2011 | 1996 Lincoln Continental

1 Answer

Hello I have a toyota mr2 86 and the coolant is boiling inside of the overflow container and there is small coolant drip from radiator in front of car. In need of suggestions


I guarantee you, the water is not boiling in the reservoir. There is no heat source there, and even if it came out of the radiator boiling, by the time the coolant traveled down the hose to the tank, it would have lost too much heat to boil.

But if steam is coming out of your radiator into that tank, it would look like it was boiling.

It sounds like you have a radiator leak, and that you are therefore low on coolant, and the engine is overheating. With the car stone cold, open the radiator cap and top off the coolant as full as you possibly can, then replace the cap. While you have the cap in your hand, inspect the rubber gasket that seals it when it is installed. If that gasket is not in good shape, the normal operating pressure will force coolant into the radiator excessively, leaving not enough to cool the engine.

After a short drive that is sufficient to reach operating temperature plus about 5 or 10 minutes, and then allowing the car to fully cool, open the radiator to see if it is still full. It should have developed no substantial amount of space above the coolant surface, it should still be full.

If there is space, perhaps there was some vapor trapped somewhere, so try one more time. But if you are developing space in the radiator, you have a leak.

Jun 19, 2010 | 1986 Toyota MR2

3 Answers

Coolant boiled and no check engine light!


You would need to check out the different cooling components. The radiator cap, thermostat, fan for radiator (car should run at 195 degrees), is anything blocking the face of the radiator, are any of the cooling hoses kinked or collapsed, is the water pump circulating the coolant, is thw belt still on the water pump?

May 23, 2009 | 2006 Ford Taurus

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