A/C driver's side blowing hot air

Tiny
PIANOGUY67
  • MEMBER
  • 2008 TOYOTA AVENSIS
  • 2.0L
  • 4 CYL
  • 2WD
  • MANUAL
  • 120,000 MILES
I have a problem with my car. The drivers side blows hot air. I checked every actuator and everything is in order. My system is charged and blows cold air on the passenger side. I think the problem is the heater control valve. Do you know where is located?
Thursday, August 30th, 2018 AT 12:48 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,144 POSTS
Hello,

This car does not have a heater control valve. It sounds like the blend door actuator is bad but you say you replaced it? How is it in order? Here is a guide to show you what you are in for when doing the job and a diagram of the blend door location below:

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

Check out the diagrams (below). Please let us know what happens.

Cheers, Ken
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Friday, August 31st, 2018 AT 1:53 PM
Tiny
PIANOGUY67
  • MEMBER
  • 2 POSTS
Thank you for your insight. The blend door actuator works. I checked the coolant and it is okay. I think it has some kind of valve. Anyways, I have an appointment to the dealer next week and I hope they will sort things out.
My car has a PTC heater (positive temperature coefficient heater). Maybe it has something to do with that.
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Friday, August 31st, 2018 AT 2:10 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,144 POSTS
It could but those are electrical units, maybe the controller has gone bad. Please let me know what you find.

Cheers, Ken
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Friday, August 31st, 2018 AT 7:21 PM

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