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Radiator stopped heating

Plugging and unplugging

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Element may be bad or switch depending on Make and Model of your heater. Make sure you have power to the heater first.

Posted on Nov 27, 2014

Testimonial: "Yes, I have power to the heater. I guess I'm out of luck. It's a very old heater that has been sitting awhile. I replugged in and it worked great for 3-4 days then gave up, I guess."

  • willy15 Nov 27, 2014

    It sounds like you've just self diagnosed your heater and I agree. Have a great Thanksgiving!



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If a heater core is plugged wouldn't engine over heat?

No but if you don't have a by PASS on your car it will

Jun 17, 2016 | Cars & Trucks

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99 jgc 6cyl changed all but radiator still heats in town

sounds like sludge build up in the radiator, have it flushed, however that might cause leaks that the sludge is currently plugging up, so be prepared to replace the radiator

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Replaced thermostat, radiator, fans kick on, changed catylatic converters, still over heats

The catalytic converter probably has nothing to do with the problem. Either the replacement thermostat is bad, or the there's something plugging your cooling system. Have you tried a radiator flush?

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I have a 2001 buick lesabre from 2days ago it was getting cold , i founnd leak the coolant but after driving for a while leaking stopped but it get cold coolant leak again? should i replace something or...

When the motor heats up it is expanding thus stopping the leak. You need to have it checked by someone or put in some radiator dye from your local auto parts store and use a black light to determine where the leak is. Is is not hard to warp a hot engine lacking coolant and then we are talking major work to fix it. You could use some radiator stop leak found at your local auto part store such as a product called BARS LEAK which could cure the problem or make it worse by plugging the flow of coolant.You really need to know where the leak is at and get it fixed.

Nov 20, 2011 | 2001 Buick LeSabre

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Over heating

If your vehical is over heating at idea it is most likely the radiator fan
this can be checked by running the car until it heats up and looking at the fan to see if it is running.
This usually isn't an issue as long as you are driving, but when you stop or driving slow or in traffic it will start heating up quickly. your fan keeps air flow going through the engine while at a stop to help cool down the engine compartment and pull.push air through the radiator

If you still over heat no matter if your driving or stopped it may be a thermostatic radiator valve that went bad. this is a release valve between the radiator and the engine that helps control the coolent flow between the engine and radiator and control how much heat is taken out of the engine to be cooled in the radiator.

So, run the car and see if the radiator fan kicks on. if it does, it's probably not a bad fan. if your car starts over heating and the fan never comes on it's most likely some problem with the fan

if it is turning and you are still having problems overheating go buy a new valve and change it out. cost you at most 5 bucks for a new one (probably less)

Jul 02, 2011 | 2001 Kia Rio

1 Answer

2004 sebring poor heat changed heater core worked for a while changed thermostat still poor heat

Have the water pump checked for operation, also have the radiator checked to see if it may be plugging up. Flushing the radiator may help also.

Jan 04, 2010 | 2004 Chrysler Sebring

3 Answers

My 08 Impala heater blows hot air when moving and cold air when stopped. Any suggestions???

My 2005 impala had the same problem. Here's the answer. The heater core is plugging up. When you sit idling, the fluid movement is slow, therefore the junk settles in the heater core, still allowing enough fluid to get through to heat. When you drive it, the fluid movement is much faster, therefore sending the junk into the heater core, plugging it up. To check for this problem: Get engine temp up to normal, feel both heater hoses. If one is hot and the other one is cooler, fluid is not passing through. Take off both heater hoses at the top of the engine, blow out fluid with low pressure.(5 or 10 lbs.) Fill both hoses with the right radiator flush. (Some engines are aluminum) Let stand for 4 hours. Flush with new antifreeze. (I used a garden sprayer) Stick the sprayer end in the heater hose and tape tight. My vent temp WAS 100 degrees. After fix was 152!!

Oct 27, 2009 | Chevrolet Impala Cars & Trucks

1 Answer

My dual control electrc blanket won't stop blinking, and it won't

Try unplugging it from the wall, waiting a few seconds, then plugging it back in.

If that does not work, try either turning the blanket over OR swapping the controls to the opposite sides, then unplugging it from the wall for a few seconds, and plugging it back in.

Nov 26, 2008 | Heating & Cooling

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