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A question for the OT mechanics, specifically auto A/C…
Posted on 5/15/24 at 6:20 pm
Posted on 5/15/24 at 6:20 pm
My car just developed a situation where the A/C seems to be working ok but nothing is coming out of the vents that face the driver and the passenger. Is this a simple thing that could potentially be an easy and fairly inexpensive fix? I’m wondering if it can just be a fuse or a blocked up cabin filter. TIA for any helpful and / or sarcastic answers. 
ETA: it’s a 2014 Ford Flex SEL
ETA: it’s a 2014 Ford Flex SEL
This post was edited on 5/15/24 at 6:38 pm
7
Posted on 5/15/24 at 6:23 pm to EastBankTiger
Did you try unplugging it, counting to 10, and plugging it back in?
Posted on 5/15/24 at 6:23 pm to EastBankTiger
Check the cabin filter and to see if the fan motor is running.
Posted on 5/15/24 at 6:26 pm to EastBankTiger
Is air coming out of any vents? If it works on say defrost or floor but not the center vents, it's more than likely an actuator motor. They control the doors that direct airflow.
Posted on 5/15/24 at 6:27 pm to EastBankTiger
quote:
but nothing is coming out of the vents that face the driver and the passenger.
Where is the cold air coming out of, I assume it is coming out of some of the vents for you to say the A/C seems to be working OK.
It may be a failure in the sub-systems the shifts the air from the floor vents to the body level vents to the defrosting vents. If it is coming from the floor vents try switching to the defrosting vents and see if it changes.
Posted on 5/15/24 at 6:29 pm to FatBoy62
It’s coming out of all of the other vents except for the ones facing the driver and the passenger. This seems to be the case whether it’s the heater, defrost or the A/C.
Posted on 5/15/24 at 6:34 pm to EastBankTiger
If the air is flowing out of the defroster or vents not facing the driver. It could be controls/connections relating to electric motors or vacuum hoses and ports operating the deflector doors. Posting the year, make and model of the vehicle can help with troubleshooting.
This post was edited on 5/15/24 at 6:35 pm
Posted on 5/15/24 at 6:34 pm to EastBankTiger
I like to take the approach of a engineer. In order to help, can you give us the year, make, model of the vehicle?
Posted on 5/15/24 at 6:35 pm to chili pup
2014 Ford Flex SEL
Posted on 5/15/24 at 6:40 pm to beerJeep
quote:
Did you try unplugging it, counting to 10, and plugging it back in?
Yep, even tried the old Fonzie smack it with the side of my fist trick. No joy.
Posted on 5/15/24 at 6:48 pm to EastBankTiger
quote:
2014 Ford Flex SEL
I'd you have a dual zone system it sounds like the temperature blend door. I wish I could help more. I would suggest trying to ask around in your location and find if you can ask for a good AC guy that does this on the side rather than taking it to a dealership.
Posted on 5/15/24 at 6:51 pm to EastBankTiger
Sounds like the diverter is sticking. From what vents is air coming from?
My tacoma does this sometimes and I "fix" it by slamming the glove box door really hard.
My tacoma does this sometimes and I "fix" it by slamming the glove box door really hard.
Posted on 5/15/24 at 6:56 pm to EastBankTiger
quote:
It’s coming out of all of the other vents except for the ones facing the driver and the passenger. This seems to be the case whether it’s the heater, defrost or the A/C.
As others have suggested you have a blend door issue. It could be the actuator, it could be mechanically stuck, or it could be the electrical/electronic system that controls it.
Posted on 5/15/24 at 7:00 pm to Napoleon
quote:
slamming the glove box door really hard
Yep. In a lot of vehicles the components or modules controlling the HVAC doors are located at or near the back of the glove box.
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