Question about 2000 Hyundai Elantra

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Overheating 2000 hyundai elantra

I got stuck in a snow storm, and my car started smoking (steaming) I popped the hood and the cap had come undone, a the liquid inside was like boiling. I left it alone to cool down but now I am worried that I shouldn't move the car. Even to start it, the temp gauge went up quick, and I never even got it in gear. What do I do? I have a small boy and cannot afford to be stuck out somewhere with him in the car.

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  • Hyundai Master
  • 21,873 Answers

Its possible the thermostat is stuck closed, but if there were true it should run for a few minutes before showing hot.
If it has set for an hour or two and still heats up in seconds, something is going on in the engine.

Posted on Dec 11, 2012

  • 2 more comments 
  •  Stephen
    Stephen Dec 11, 2012

    BTW - do you know for sure the cooling system is full of fluid ?

  • Melanie Philbrook Dec 11, 2012

    Ok, so it was the thermostat that was stuck close, bought the thermostat for it, but there is a crack in the housing where the thermostat goes and I cannot find any parts store, internet parts site that sells them.. I know I have the right thermostat, but how do I buy the housing for it.. If no one carries it

  •  Stephen
    Stephen Dec 12, 2012

    The housing will probably have to come from the dealer, and they may have to order it. Its not a common stocking part.

  • Melanie Philbrook Dec 13, 2012

    Thank you all for your help with the car.. It is running perfectly now.. I had to go to a junk dealer for the housing part.. the only dealer is at the other end of my state.. Thank you all again...


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Posted on Jan 02, 2017

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SOURCE: hyundai/elantra/2000

I had my 1998 hooked up to a code reader it says its the ignition position sensor ,and can cause a coil pack problem.. But my car is doing same thing,sometimes it won't start til' the next day.

Posted on Jul 04, 2008

  • 740 Answers

SOURCE: 2000 Elantra Overheating

First when vehicle is cold like in the morning check and make sure that the vehicle has enough coolant/ antifreeze in radiator and reservoir. If coolant is need use a 50/50 mixture of water and antifreeze. You will need some time to do this let car run at idle until the temp guage is in the middle NOT+ normal operating temperature. At this point if the thermostat should be in the open position. Let vehicle run and check to make sure that radiator fan comes on. This should come on when guage is about midway/half way. If temperature rises above half going to h/hot and fan doesn't come on, you either have a BAD FAN BAD FAN SWITCH BAD FAN RELAY OR BLOWN FAN SWITCH FUSE. You will need to check all of the following I will help if its needed. If fan comes on and doesn't go off and vehicle continues to get hot even with fan running. Feel radiator hoses and see if the lower radiator hose is cool/cold. If it is you have thermostat that stuck closed. Replace thermostat and fix problem. If all the above is good and vehicle continues to over heat. THE BAD NEW IS THAT YOU MAY HAVE A BLOWN HEAD GASKET /CRACKED HEAD /BROKEN WATER JACKET. Basically you will need a HEAD JOB at least a head gasket. ONe tell tail sign of this is oil looking like milkshake/chocolate milk-a creamish while residue in oil or antifreeze. Contact if you need hel0p. Good Luck and thanks for using FIX YA

Posted on Jan 17, 2009

  • 366 Answers

SOURCE: my 2000 Hyundai elantra and all the gauges, radio, etc quit and

your charging system is not working,so your car is working only on batt. power,when batt.gets weak car will cut off! good chance alter nator is defective! check alt.elect. connections at alt,if con.are good its alt.

Posted on Apr 21, 2009

  • 99 Answers

SOURCE: 2000 Hyundai Elantra gear shift stuck in Park.

check for the brake switch if this doesnt work wont release from park if this ok then i will check the shifter cable check for power and ground

Posted on Aug 20, 2009

  • 288 Answers

SOURCE: 1997 Hyundai Elantra has heat but temp gauge does not rise.

If the coolant is below a certain level, the temperature sensor will not read anything and the temp gauge will not rise. Replace the cap, and check that you have enough coolant in the system. If this does not solve the problem, you will need to test/troubleshoot the coolant temperature sensor.

Posted on Feb 27, 2010

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Hello jillfrommass and thank you for asking your question, on Fixya.

Here is a simple process that will walk you through a few steps that will pinpoint the overheating problem on your 2000 Hyundai Elantra, without even using any tools. It has helped millions of people, and I am certain that it will help you, because I wrote it for people in your exact situation.
How to diagnose your overheating 2000 Hyundai Elantra
Pay close attention to the 'fans' part of the instructions. ;)

Get more great (money saving) tips and tricks about your Hyundai from:
*FYI - You can get all repair information about your Hyundai straight from the manufacturer at: - Sign up is completely free.

Thanks for the vote, and good luck!

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