2005 Hyundai Elantra A/C and Heating Same Problem

2005 HYUNDAI ELANTRA
76,000 MILES • 4 CYL • FWD • AUTOMATIC
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DG6704
  • MEMBER
  • 1 POST
The air conditioning and heating in my car work fine while the vehicle is in motion, but when I have to stop, such as at a traffic light, they do not work. The heat will blow cold air, and the air conditioning will blow warm air.
Jul 10, 2010 at 2:57 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
The heat will blow cold air, check and test the thermostat and also check if the heater core is clogged-up

and the air conditioning will blow warm air-check the air blend door could be stuck in the heat position-Overall for both problems could be coming from the HVAC unit
Jul 10, 2010 at 3:32 PM
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