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

Tiny
R MORI
  • MEMBER
  • 2002 NISSAN SENTRA
  • 1.8L
  • 4 CYL
  • 18,000 MILES
Air conditioner is not working and you can feel heated air coming through ventilation ducts even though heater not switched on.
Saturday, October 15th, 2016 AT 10:53 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,967 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
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Monday, October 17th, 2016 AT 7:06 PM

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