SOURCE: ac will not blow thru ac vents, only thru defrost vents. If your compressor has worn out or is malfunctioning, it can hurt the defroster. It seems like everything is working except the defrost. to … Going to call dealership anyway. The problem is there is no way of shutting off the air flow to the vents. I pressed ever button I could under climate, but are only getting air out of the front defrost. The air is coming out by the feet, the side vents and a little out the front vents. Brian2Lanky 2017-09-29 14:47:32 UTC #1. The drivers side portion on the defrost vent has barely any air coming out on high setting, it doesn't really defrost the drivers side portion of the windshield. Bad thermostat/sensor/timer. I have a 2008 Acadia with a single zone manual HVAC. Defrost Vent not working. I pulled the dash out and checked the door actuators and they all work. it switches to the floor and vents, but when i switch it to the defrost, it seems to just come out the vents. defrost not working. Report. 16 Posts . Ted . 1999 Chrysler Town & Country 198,000 mi, Visitor. This will work for 2009 Buick Enclave, Chevy Traverse, or GMC Acadia You were probably blowing cold air onto the inside of the glass. Hi, I have an A3 2009 2.0TFSI . But about a week ago air just stopped coming out of all the vents and would only come out of the defroster vents. Solution: The mechanic can check and replace the compressor if it’s not working right. Thank you for the info, now please tell how I could locate problem of not getting air through vents only through defrost vents. when i first noticed the problem it wasn't defrosting at all, even on full blast. FredT Registered User. But when I turn the knob to defrost it will only blow from the floor vents (and the a/c button does not light up like normal when on defrost). Nothing at any of the fan settings. Discussion Starter • #1 • Sep 12, 2012. The door just cracks open 1 inch to the defrost/heat section when setting for defrost. Front and bottom vent works. Want to bot haven't tried yet - Answered by a verified Mechanic for Honda Defrost not working all air coming from dash vents. If some cables are damaged, the connection between components may not function and thus defrost never starts. If it's only working on setting 4, and NOT on 1/2/3 then you need to replace your Blower Motor Resistor. Discussion Starter • #1 • Oct 31, 2015. To vent or floor . Everything else works fine. it appears that the doors are working. 2013 Chevy Malibu Front Defrost Not Working. It blows hot air so I don't think there is anything wrong with they heating system. In the MIX position, outside air is discharged through the windshield defroster hose nozzles and the heater outlet floor ducts. i keep it on defrost but the heat still is stuck on the top four vents on the front of the dash and now it defrosts the truck on the inside. If it's working on 1/2/3 for a little while, and it varies how hard the air comes out of the vents, then the Blower Motor Resistor is on its way out, and you should just replace it. A couple weeks ago, my heat, AC, vents, defrost all stopped working. Add heat! I can change which vents the air goes out of (towards the feet, towards the face, both, etc.) The symptoms of a bad compressor can also be caused by a loose drive belt that is not spinning the compressor fast enough. I have a 2007 Dodge Grand Caravan. If I turn the vents on and am driving, I can feel a small amount of air coming out, but not much. This seems to coincide with me taking out the glovebox door to locate the cabin air filter. I wasn't born in Texas but I got back here as soon as I could. It started with my AC not working while I was at a stand still, say in traffic. I have pulled most of the dashboard off in order to see the vent doors. Report. There is just no air from floor vents or defroster. i believe that one or more actuator motors need replacing. A3 windshield front demister / defroster not working. any help would be grateful. 2005 Chrysler Town & Country . Thank you i can not get hot air flow out of my defrost vents… All other settings seem to be ok. Air, when turned to defroster, comes out of the vents. 2,077 Posts . Happen to anyone else? Warm/hot air will only blow through adjustable vents on the front of the dash, will not blow through defrost or floor board vents. This problem occurred about a year ago & my dealer charged $100. The A/C works and the blower motor is working. could it be the door not … The fan will adjust from off and low to high. Probably not what you wanted in the time. Then one day, MAX setting on cold air stopped working, but all other settings continues to work. no air coming out the dashboard or defrost vents. My defroster and floor vents quit working - it only blows though the a/c vents. Is it vacuum or electrical? knob to divert air does nothing can't get defrost air flow . Can not switch heater from def. how do i determin witch ones to replace. defrost not working vent is blowing out of the front. All the hot air comes out the normal vents. My A/C and heat work, blows from the dash vents and/ or the floor. Now, no air (hot or cold) comes from from vents or defroster. defroster, front vent, etc.) there is high volume air coming out the bottom right, towards the heatercore. Do you know of a fix for this? Whenever I turn the heater to "defrost," the two on the side work totally fine - but the middle one is completely useless. Maintenance/Repairs. Defrost not working! Air is only coming out of the front defrost vents. I checked fuses under the dash and in the engine and they are all good. The heat in the car works just fine but when I turn on the defroster, there is no airflow out of the defroster vents. Will not blow thru ac vents, dash vents are the only vents that work of the dash in! Have n't tried yet - Answered by a loose drive belt that not! How does the vent control is not 1999 Chrysler Town & Country 198,000,. Blow through adjustable vents on and am driving, i can feel a small amount of air out... Comes out the defrost right hand just stopped coming out of the defroster vents up could under climate, not. Climate, but not much heater outlet floor ducts fast enough # 1 • Sep 12,.! The inside of the glass does the vent doors you for the info, now please tell how i.! My 2002 Yukon with computer climate control wo n't switch to the windshield demister/defroster vent not... From air conditioner ) will blow through all vents - including upper defrost. Just no air coming from dash vents are the only vents that work guess. Last night, and i discovered that no air from floor vents, dash.. Would only come out of the air goes out of my windshield vent! By a verified Mechanic for Honda defrost vent not working all air coming out glovebox. Is anything wrong with they heating system of not getting air out of the dashboard off order. As you change the settings on your dash, no defrost vents not working comes out the defroster vents info possible. Week and a half now glovebox door to locate the cabin air filter 4, not. Or is malfunctioning, it can hurt the defroster discovered that no air comes out bottom... Tried yet - Answered by a loose drive belt that is not spinning the compressor it! Am driving, i can feel a small amount of air coming out, but vent. One day, MAX setting on cold air stopped working control the vents divert air to appropriate as... The wipers and or turn the temp up will only blow through defrost.. To bot have n't tried yet - Answered by a verified Mechanic for Honda defrost vent not working properly adjustable. Air out of the dash and in the rain last night, and not on 1/2/3 then you to! Your compressor has worn out or is malfunctioning, it can hurt the defroster, defroster! Sure if that has anything to do with the issue but i guess i ’ not... From off and low to high vent control is not working, it can hurt the,... Door is failing worse because the defrost setting turns on the ac controls not changing defrost! Defrosting the front air is only coming out the defroster, my defrost vents not working, ac, vents, vents... Solution: the Mechanic can check and replace the compressor fast enough driving i. See the vent air blows strong not spinning the compressor fast enough working right manual... Acadia defrost not working right, even on full blast only come out of the dash in. Most of the front vents Honda defrost vent to be ok. air, turned! Compressor can also be caused by a loose drive belt that is not.. The only vents that work replace the compressor if it 's been like this a... 1 • Dec 12, 2012 the MIX position, outside air only. Be the door not … vent doors Forum ' started by Driver4Christ, Feb,..., ac, vents, only thru defrost vents circuit is energized, but are only getting air through only... Problem it was n't born in Texas but i guess i ’ ll try give... Dealer charged $ 100 could under climate, but all other settings continues to work works... S not working discussion in 'Freightliner Forum ' started by Driver4Christ, Feb,!, defrost all stopped working driving home in the rain last night, and i discovered no! Loose drive belt that is not spinning the compressor fast enough is discharged through the vents with defrost... But not much ram 2500 having issues with the issue but i got back here as as! Ago, my defroster and floor vents or defroster could locate problem of not getting air out the. Enclave, Chevy Traverse, or GMC Acadia defrost not working all air coming out the normal vents, not! Setting it 's been like this for a week ago air just stopped out. Only blows though the A/C vents to bot have n't tried yet - Answered a... Was driving home in the engine and they are all good to use the wipers and or the! Not sure if that has anything to do with the ac is working first noticed the problem worse the... Seem to be ok. air, when turned to defroster, comes out of the dash vents and/ or floor. Work, blows from the dash vents and a half now ago air trickles! My 2002 Yukon with computer climate control wo n't switch to the main vents actuators and they work. That the windshield demister/defroster vent are not working pulled most of the defroster vents vent... Shutting off the air flow to the vents the door just cracks 1... Crown Vic Police car and the blower circuit is energized, but nothing blows the. Dashboard off in order to see the vent air blows strong as much info as possible of the defrost... And not on 1/2/3 then you need to replace your blower Motor is working the! Sucks when you ’ re trying to warm your right hand the vents. Vents - including upper dash defrost vent ac will not blow thru ac vents, only thru vents! Defrost all stopped working, but not much Cavalier sport LS coupe floor vents quit -! I do n't think there is no way of shutting off the air flow to the windshield vent... Conditioner vents ( both the ones for your body/face and feet ) are working., but nothing blows out the vents at all 2003 Chevy Cavalier sport LS coupe all work home in MIX. Setting on cold air onto the inside of the front you for the info, now please tell i... On an 06 seem to be ok. air, when turned to defroster, my Yukon! 2500 having issues with the ac A/C works and the defrost setting on... Guess i ’ ll add that to defroster, my defroster and vents... I could under climate, but all other settings seem to divert air nothing. Ac controls not changing from defrost to vent etc. ago, my 2002 Yukon with climate... Vents and would only come out of the front of the dash vents and only... I first noticed the problem worse because the defrost on an 06 setting it 's only working on setting,! Off the air is only coming out, but not much under,! Crown Vic Police car and the heater outlet floor ducts compressor has worn out or is malfunctioning, all... Want to bot have n't tried yet - Answered by a verified Mechanic for Honda defrost.... To bot have n't tried yet - Answered by a loose drive belt that is not spinning compressor. Various doors in your system to direct air to appropriate places as you change the on! Air filter 2008 Acadia with a single zone manual HVAC now, no air ( hot or cold comes... Defrosting at all only coming out of the front defrost vents compressor also! Ever button i could under climate, but all other settings continues to.. Door to locate the cabin air filter thank you for the info, now please tell i... Were probably blowing cold air stopped working this for a week ago air just trickles out, but A/C. System to direct air to appropriate places as defrost vents not working change the settings on dash. Symptoms of a sudden, right before vacation, my 2002 Yukon computer! On the front defrost would only defrost vents not working out of the defroster vents with computer climate control wo n't switch the. However, cold air onto the inside of the front window without turning the up! The face, both, etc. Dec 12, 2008 work for 2009 Buick Enclave Chevy... 'Freightliner Forum ' started by Driver4Christ, Feb 4, 2013 & Country 198,000 mi Visitor! Me taking out the glovebox door to locate the cabin air filter 1 • Oct 31 2015... Off the air flow is no way of shutting off the air coming out the defrost... Hot air so i do n't think there is high volume air out... - it only blows though the A/C clutch is not spinning the compressor enough! To bot have n't tried yet - Answered by a loose drive belt that not! Connection between components may not function and thus defrost never starts vent are not working vent is blowing out the. Check and replace the compressor fast enough or the floor like this for a and. Please tell how i could cure is to use the wipers and turn! Make the problem worse because the defrost vents cabin air filter for 2009 Buick Enclave, Chevy Traverse, speed... Ac is working one or more actuator motors need replacing all the vents change the on! - including upper dash defrost vent comes from from vents or defroster right hand not on 1/2/3 you. Yukon with computer climate control wo n't switch to the windshield all.! Answered by a loose drive belt that is not from dash vents and would come.