Side windows are misting
I have a problem with my side air vents. They are giving very little air out of them, so it takes forever to get the mist away from the side windows. The ac gives nice warm air in all the other vents, so that is working.
I have checked the air flaps to be ok, so theh are open. Also checked that the air ducts under the dash is in place. Any tips where to look for failures? http://986forum.com/forums/uploads02...1584172320.jpg |
If everything you say is good is good then listen for A/C compressor next. You should hear it 'click' on when clutch engages (w/ serpentine belt) when motor running and a/c on. If not clicking on, first spot to check then is refrigerant level...
If not enough refrigerant 'charge' it will be from another issue. It's a closed system and thus leaking... i.e. condenser/radiator puncture. HVAC blower still blows anytime system is on but (as you are experiencing) only ambient air if condenser is not running. Any half decent shop will be able to test your refrigerant level first (DIY kits are available). If it's low they will add some w/ a dye to find source of leak. Do NOT just add more refrigerant as solution b/c again it's a closed loop system which is compromised somewhere. If enough refrigerant the next spot to check is condenser. If it has sufficient voltage but not engaging then it is the issue. If not enough voltage then look to relay and fuse (which may be blown again b/c of issue w/ condenser). Not many places to check... Good luck :) |
Do a search for foam coming from your air vents. This will explain to you a very, VERY common problem that results in the inability to direct the air anywhere specific.... meaning it's always being distributed everywhere..... resulting in very low air flow anywhere.
I'd think it very likely this is your problem. You may not see foam bits simply because it's all gone! It's really unlikely it's anything to do with refrigerant or compressor, as that has zero bearing on air volume, only air temperature. Let us know what you find? Sent from my SM-G970U using Tapatalk |
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Also, it doesn't really take much airflow to defog the side windows, but having dry air critical. So checking the function of the A/C system does apply here, as well as checking the foam baffles. |
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As soon as I confirm it's true. HAHAHAHA. in Utah, "pulling moisture from the air" isn't a thing. ;-) But I'll believe you. Sent from my SM-G970U using Tapatalk |
Thanks for all input so far. I am not sure if the A/C has something to do with it, since the heat is ok. Problem is missing air circulation at the side vents. The windshield has a lot of air, so no problem with fogging there. The upper vents in the middle blows ok as well.
Maybe this missing foam thing could be an issue. Have not seen any foam in the vent in my ownership. Where can I check to foam situation? And can it be fixed if this is the failure? |
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Check any modern car. Put it in defrost mode and check the A/C compressor. It will be running. At the very least, it will run intermittently. BTW, I can't even imagine how heavenly it would be to work on older cars that spent their life in a dry place like Utah. Here in the Rust Belt, rusty bolts are the way of life. |
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People on here have posted shortcuts, by cutting into the heater box. There are some good links in this thread: http://986forum.com/forums/performance-technical-chat/42802-interior-vent-debris-6.html |
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I have done some searching. It seems that it is quite possible to reach the flap and take it out from the front trunk. If the foam are gone on mine as well, it should then be an easy task to glue some new foam back. Seems like the attached file describes the job quite good. |
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