No A/C on left and right successively?

Tiny
CHARLES ZH
  • MEMBER
  • 2016 FORD FUSION
  • 2.0L
  • TURBO
  • 60,000 MILES
At the beginning there was no A/C on the driver's side, passenger side is normal. Two days later, the passenger side has no more A/C. Air distribution (head, foot etc.) is good. Heat can be turned on (90f) or off (60f). The passenger side blend door actuator looks good, please see video, correct me if I'm wrong. Are the blend doors/rods broken? Should I read OBD2?

https://youtube.com/shorts/8lGaZRy3rnY?feature=share

The car listed above is a dual zone, 2L Eco boost.
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Thursday, September 29th, 2022 AT 12:51 AM

15 Replies

Tiny
KEN L
  • ADMIN
Thanks for the video, next time please upload the video to our site so others can have better access to it. :) It looks like the actuator in the video is working correctly with no broken control rods. So, when the A/C is on can you feel cold air anywhere, out of any vents? It could be the driver side actuator went out and then the A/C stopped working as two different problems. Here is a guide to help and the blend door actuator locations in the images below. Please go over the guides and the images and get back to me.

https://www.2carpros.com/articles/car-air-conditioner-not-working-or-is-weak

Check out the images (below). Please let us know what you find. We are interested to see what it is.
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Thursday, September 29th, 2022 AT 11:55 AM
Tiny
CHARLES ZH
  • MEMBER
Hi Ken, thanks for responding. I do not feel cold air out of any vents while the a/c pulley is spinning. Please see the driver side video. It seems like the rod does not go all the way? (The clicking sound is from tapping the temp adjustment button.)
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Thursday, September 29th, 2022 AT 4:58 PM
Tiny
KEN L
  • ADMIN
Thanks for the It looks like the blend door actuator is working okay, if the actuators where having a problem they usually make a clicking noise. I would start by checking the refrigerant level here is video to help us and I have included a guide you should go over as well.

https://youtu.be/uZrQCGwXfek

and

https://www.2carpros.com/articles/car-air-conditioner-not-working-or-is-weak

Please go over these guides and report back.
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Friday, September 30th, 2022 AT 12:13 PM
Tiny
CHARLES ZH
  • MEMBER
Hi Ken, I have great news and bad news. After recharging the A/C, the passenger's side air is cool, but the driver's side is still warm, no change at all, just like the very beginning issue. Is there still a dual zone door problem? Thanks.
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Monday, October 10th, 2022 AT 3:51 PM
Tiny
KEN L
  • ADMIN
Hi Charles,

Well, we are getting closer. It does sound like the driver's side actuator is not working correctly. We should change it out. Here are the location and how to do the repair in the images below. You will need to remove the throttle pedal assembly. Check out the images (below). Let us know what happens and please upload pictures or videos of the problem.
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Tuesday, October 11th, 2022 AT 11:50 AM
Tiny
CHARLES ZH
  • MEMBER
I've already uploaded a video on 9/29, just repost the link below. I'm not sure if I captured all the movement, let me know if I need to take another video. Thanks.

https://www.2carpros.com/images/question_images/999472938/video.mp4
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Tuesday, October 11th, 2022 AT 11:55 AM
Tiny
KEN L
  • ADMIN
Oh yes, I did see that video. Did you try to move the blend door actuator by hand to see if the full movement is being achieved?
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Wednesday, October 12th, 2022 AT 6:29 PM
Tiny
CHARLES ZH
  • MEMBER
I'll try it tomorrow, thanks.
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Wednesday, October 12th, 2022 AT 10:47 PM
Tiny
CHARLES ZH
  • MEMBER
Finally, I removed the actuator! By rotating the white gear that the actuator inserts into, the air on driver side is either hot or natural (non-hot non cool). Is the door itself broken? Or evaporator is clogged on left side? Many thanks.
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Wednesday, November 2nd, 2022 AT 3:52 PM
Tiny
KEN L
  • ADMIN
It sounds like the blend door is broken inside the HVAC plenum or there might be obstruction inside one of the vents, when you move the gear can you hear the door shut inside when going from lock to lock?
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Thursday, November 3rd, 2022 AT 1:29 PM
Tiny
CHARLES ZH
  • MEMBER
I can hear some sound but not sure if it's from the door shut. The gear has significant resistance, is not loose. The gear can only be turned about 90 degrees between heat and non-heat, is that normal? Thanks again.
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Thursday, November 3rd, 2022 AT 3:06 PM
Tiny
KEN L
  • ADMIN
Thanks for the video. Yep, it does not sound good. The door should move easily, when the actuator is not attached to the plenum does it move when you work the controls. Is so the HVAC plenum needs to be removed and disassembled to find out what happened, it could be something has fallen down into the vent or the plastic gave way and needs to be replaced. Let me know I will forward instructions on how to remove the unit.
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Saturday, November 5th, 2022 AT 11:19 AM
Tiny
CHARLES ZH
  • MEMBER
Is there any way to remove the black plastic piece that covers the white arm/rod? Probably easier than removing the entire HVAC plenum? Thank you.
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Wednesday, November 9th, 2022 AT 12:44 PM
Tiny
CHARLES ZH
  • MEMBER
If not practicable, can I have the instructions on HVAC plenum removal? Thanks.
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Wednesday, November 9th, 2022 AT 1:58 PM
Tiny
KEN L
  • ADMIN
Yep, just as you see there you can try to remove the mounting screws. Removing the HVAC plenum is a big job, but I can walk you through it. First disconnect the battery, drain the coolant and discharge the A/C system.

This video will help:

https://youtu.be/4EqdrBVb0sY

Once that is completed, here is how to remove the HVAC unit for disassembly. The dashboard will need to be removed first. Check out the images (below). Let us know what happens and please upload pictures or videos of the problem.
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Friday, November 11th, 2022 AT 1:40 PM

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