Air conditioner malfunction heated air blowing out of the vents even when the heater is off

2002 NISSAN SENTRA
18,000 MILES • 1.8L • 4 CYL
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R MORI
  • MEMBER
  • 1 POST
Air conditioner is not working and you can feel heated air coming through ventilation ducts even though heater not switched on.
Oct 15, 2016 at 3:53 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,673 POSTS
This is a common problem with heater systems, it sounds like you have a blend door actuator that has gone bad.

Here is a guide to help you

https://www.2carpros.com/articles/replace-blend-door-motor

Please let us know what you find so it will help others.

Best, Ken
Oct 17, 2016 at 12:06 PM
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