air conditioning makes the car overheat?

2006 HYUNDAI ELANTRA
225,000 MILES • 2.0L • 4 CYL • 2WD • MANUAL
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YOITSTJ
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  • 4 POSTS
I cannot run the air conditioning cause it makes the car overheat, however if the car overheats without the air, if I turn the air on then it will cool the engine down. The timing has been changed and I just changed the thermostat and still overheating. Water pump is fine and no leaks from the radiator....
Jul 14, 2025 at 8:31 PM
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MECHTRIX
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 382 POSTS
Do you think its the original 2006 radiator still in the car ? If so id change it ..might be clogged inside and not cooling well anymore ..theres also an upgraded all aluminum radiator thats acually pretty cheap seems to cool quite a bit better than the old version did might want to try that .best of luck ..
Jul 18, 2025 at 3:29 PM
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STRAILER
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 54,178 POSTS
When the engine is cold I would check the coolant level, this is a guide to help as well

https://www.2carpros.com/articles/engine-overheating-or-running-hot

Please go over this guide and get back to us.

Jul 20, 2025 at 10:44 AM