Question about 2008 Hyundai Accent 1.6

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Cold temp light on and no heat (lukewarm) while driving. Heater works after idling for few minutes and cold temp light on dashboard goes out. When start driving again, lukewarm air from vents instead of warm and cold temp light comes back on. Radiator is full and I filled overflow from "low" to full and still happens. Fan works fine on all settings.

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  • Rise Sambito Jan 09, 2013

    Fixed it by installing new thermostat!

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  • 10 Answers

Could be thermostat needs to be replaced.

Posted on Jan 07, 2013

  • Rise Sambito Jan 09, 2013

    Mark, you were 100% correct! Installed new thermostat and problem solved!

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6ya6ya
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Posted on Jan 02, 2017

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gladys_neal
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SOURCE: Had a blowed radiator, replaced it the thermostat

unfortunately it sounds like a head gasket issue

Posted on Nov 11, 2009

  • 294 Answers

SOURCE: AC will blow cold air for a few minutes then start

you have moisture in the system this causes your expancion valve to freeze up an stop working, thats why it works for sort time and when it de-freezes stars working again. you need to do a EVAC & RECHARGE with a good AC service equipment, specially attention to pull vacumm por at least 20minutes so you get all moisture out of the system.
Good luck

Posted on Jun 05, 2011

Testimonial: "Thank you Magoly, its working Thank you very much."

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Problem 1: buy a system heater to keep the engine warm at night.
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Place a light 100 Watt Bulb near the battery but not too close to anything else where it might burn anything.

Problem 2. Check your coolant level to see if you have the proper level. Make sure you have 1/2 antifreeze and 1/2 water if you add any coolant /antifreeze and bleed the colant system. By running the car let it cool, then turn the radiator cap or turn the bleed screw provided on some cars near the thermostat outlet. Then adding some more water and coolant etc.The tightening the cap or bleed screw. When radiator is full. Check the radiator and and remove any debris that may be keeping the air out.

Problem 3. Will get fixed because your battery won't die.

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