Question about Hyundai Motor 2003 Elantra

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Hyundai Elantra temperature goes up to HI when air is turned on

When I turn the air on, the temperature gauge needle starts climbing and unless I turn the air off, the needle will go all the way to HI. Car hasn't been cooling very well at low speeds lately.Why does this site continually jiggle?? Very distracting!!! Checked the radiator. Plenty of water and coolant.

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  • Hyundai Master
  • 5,366 Answers

Jiggle? Haven't seen that. Maybe your computer is overheating, jokes.
So the car is not losing coolant? Check your fans for operating properly. The AC radiator fan should always be on when the Ac is working. If needle went to high, both fans should have been on. Also clean any leaves or trash or dirt from front of radiator.

Posted on Jul 17, 2013

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  • Hyundai Master
  • 975 Answers

There is an electric fan that should come on with the AC and run whenever the AC is on,if it doesn't come on it will heat up very quickly. Sounds like a problem with that radiator mounted fan.
The fan is supposed to come on when the engine gets hot enough also.
If so, the AC should be ok at hiway speeds.But you need the fan to work.

Posted on Jul 17, 2013

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