Your well being, and that of our staff, is at the heart of what we do. It will require some major surgery to disassemble the blower assembly and try to dig into why there is so much cold air leakage from this unit. Seller information The corresponding solutions have also been unveiled simultaneously. I will have the heat on and the air coming out of the vents is cooled air. 1 on the passenger side and #2 is by the break pedal? Get it Mar 22 - 24. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. It does the opposite sometimes as well. Welcome to rxmechanic.com. During your diagnosis to find out why your cars front AC is not working, if you discover any leaking AC unit hose, ensure to seal it. Remove the electrical connector and the screws, pay attention to the large cam and its position, then remove it. I only have air at the vents, no defrost or heat at floor. If you work on other areas like cleaning the vents, topping off the refrigerants, etc., and you have a blown fuse, the AC will not work. There should be two one on the drivers and one on the passenger I have a 2010 Ford Escape that was doing the same thing, ended up being the Air door actuator. I get good heat and air conditioning from my front vents, but when I select floor or defrost vents, the air still only blows from front vents. Clogged air conditioning vents are one of the foremost reasons your car's front AC may not be working. No matter cold or hot, the air only blows through the defroster vents, no matter which Customer reviews. Driving your GMC Yukon in warmer temperatures with a malfunctioning air conditioning system can quickly become a nuisance when sweltering heat builds up in the cabin. I tried to remedy this situation myself this past winter season. But,,,,, the front seat ac exhausts out a plastic vent on the seat back. Instead of changing it directly, it is often recommended to first clean the pollen filter. ac vents but comes out everywhere When we have a chance I will do this, but parked, I can verify HOT air coming out of the vent. replace if no air comes out of the front Lol, 2001 chevy tahoe air doesn't blow in front vents Keep in mind, an AC compressor can fail without any apparent cause, especially in older vehicles or in vehicles that have racked up too many miles. This can shock the system and damage it. Does the Toyota Avensis have Apple CarPlay? I'm guessing it climbed up there after the car got home and was using it as a warm spot during cold winter nights. Last Year, My Blower Vents Took A Few Minutes To Switch From Floor Or Defrost To The Front Vents. Acuator? I already have the lower cover off and replaced the actuator under there. @rmarquez1958. In the event of a defect, the mechanic can directly initiate the repair. sometimes it works but 80% it will not. Checking behind the glove box for a leak is quick and easy. We encountered an error while updating this page. The compressor is the heart of the air conditioning system in GMC Yukon. Asked by erik1968 Feb 25, 2017 at 05:51 PM about the 2002 GMC Yukon XL 1500 SLE. Over time dust can accumulate on the fins and reduce the air flow, which reduces cooling performance. It also puts unnecessary strain on the entire AC system which negatively impacts the fuel consumption. 2004 GMC Envoy. 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However, you can close or control the direction of the airflow. Rxmechanic.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for website owners to earn advertising fees by advertising and linking to Amazon.com. S Thompson. Extend cab truck. The heat is cold on the passenger side on the floor. While driving with the a/c on, the front driver vent will suddently blow heat. My rear works fine. I then tried the floor button and no air below dash either just continues to blow out main dash vents. Smaller holes have to be localized by searching all components with a gas detector. no air comes out of my front vent, but the rear vent work fine. If found dirty, clean it using a brush. Semi-trucks have been the backbone of US freight transport ever since the 1920s and are one of the essential aspects of the US economy. Same complaint from the wife. In the new GM built trucks we buy: If you get the front seat cooling option then ya lose the rear AC vents (fixed registers). If you remove the lower dash panel under the dash on the drivers side you should see the bottom of the heater box.Looking towards the passenger side from under the drivers side you should see this actuator screwed onto the bottom of the heater box.You can unplug it and then remove the screws and remove and replace this heater actuator.Thanks Pete! Please refer to CarGurus Terms of Use. The 2008-2012 Ford Escape features a revised front and rear fascia and restyled LED tail lamps. However, if you have a blown fuse, ensure to check it out with a working voltmeter. If one side of your cars AC is not working, the car is most likely running on a low refrigerant level. If its electric you may. As a rule, there is no avoiding a change if the filter is dirty. I have the same problem on my 2009 Kia Sportage XL, please help! Full content visible, double tap to read brief content. I am assuming this is manual control like you do not set the temperature. If the refrigerant level goes down again quickly, then it means there is probably a leak. Years ago this was controlled by vaccum lines, but now everything is . be, My 2007 Yukon has no air flow out of any vents but you can hear the blower If you are only topping off the refrigerant in your GMC Yukon with off-the-shelf refrigerant recharge cans and not repairing the leak, you may have flooded with AC system with oil since these cans often contains added oil. A low refrigerant level in your Yukon does not necessarily mean there is a leak. there is no air coming out of the ports in the front side of my Yukon Denali but ac works perfectly fine on the back side of the suv what can be wrong???? Connect the pressure gauge to the low pressure (L) port in Yukon. The cost of fixing the problem with a cars HVAC system where the front AC is not working is estimated to be around $100 $900. Here is a guide that will help you see which one to replace and where it is. If your cars back air conditioner is working and the front fails to work, you most likely have a blocked front AC vent. Semi-trucks make up about 70% of all the US domestic freight Motor oil is a crucial commodity for your car, and you should never compromise on its quality. The heater control will not actuate to flow to the floor. Very little heat/ac comes from the front floor vents. To begin troubleshooting, you must first connect the diagnostic tool to your Yukon. Note: If the blower motor suddenly fails from one second to the next, you must first check whether a blown fuse is responsible for the failure. That was mostly noticed at highway speeds in temps under 35 degrees. The OBDII connector is usually located under the dashboard. Therefore, when your cars AC starts running on a low refrigerant level, it will be difficult to circulate the cold air flow properly. Jan 29, 2023 by Why does the defroster vents only work no matter what setting the selector is set to? The evaporation vent solenoid is monitored by the engine control module (ECM). The result is a defective compressor that can no longer be repaired. Unfortunately, the refrigerant level can become low over time or due to leakage. Free shipping for many products! This may be a situation of leaving the system dormant throughout winter only to start using it again in summer. Not sure about the other vents. Meanwhile, if you know someone who is having this challenge right now, kindly recommend this article to them immediately. of the truck is blowing air what I need to do to fix it, I have a 2005 GMC Yukon my air want turn on stop can you help?h. If this is the case, ensure to replace the blown fuse and rectify the electrical faults. 2003 GMC Yukon Denali XL started blowing air out of defrost after a battery change. Heat blows from dash vents only not floor or defroster. Browse Categories Answer Questions . Ensure to prevent water from entering the vents directly; hence the need to ensure that the detergent and water solution form lather. If the refrigerant level goes down again quickly, it means there is probably a leak. If youre experiencing this challenge, ensure to consult an expert auto mechanic to check it out and rectify the problem immediately. Thread "solution" was to check the carpet installation, I have verified and my carpet is not obstructing the heat vent (on center console side) at all..this appears to be the only vent on the passenger side floor. In any case, ensure to contact an expert auto technician to diagnose the AC problem before opting for a repair or replacement of any component. 2023 CarGurus, Inc., All Rights Reserved. There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. The system is filled with forming gas (nitrogen with a little hydrogen) in the workshop. I Watches Your Video For Replacing This Part And I Removed The Panel Under The Dash But The Part Is Not There. If this doesn't work on your vehicle you maybe able to unscrew the sides of the glove box and fully remove box. I didnt want to have to take it to the dealer for them to over charge me. Replace the "Blower resister" module under passenger side glove box. CarGurus has 6,387 nationwide Yukon XL listings starting at $2,899. Q: The air conditioning system in GMC Yukon has a condenser coil that sits at the front of the vehicle, and is responsible for releasing the heat from the refrigerant into the ambient air. ZIP: #1 MikeDaGeek Reputation 4,510 #2 Rowefast Reputation 750 #3 TK76 Reputation 720 Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Check the diagrams below. closed. While on cooling mode, will switch to full heat on driver side, sometimes both sides. I need correct name and or part number for the actuator that moves the air flow from the defrost, to the vents and to the floor. The condenser and the cooling fan also work in synergy within the air conditioning system. My problem is the AC belt. When this component is faulty or clogged, it will be difficult to collect air. 2008 tahoe LT at random times no air is coming from the vents. Too much oil: If there is excessive amount of oil added with the refrigerant, it can cause compressor performance issues which reduces cooling efficiency, and can also cause premature compressor failure. Sometimes it will come out of the dash vents. Sorry, we were unable to perform your search at this time. We had cold air blowing through the glove compartment while traveling at highway speed in winter. Can directly initiate the repair set the temperature started blowing air out of defrost after battery! I will have the heat on and the screws, pay attention to the front driver vent will blow. Xl 1500 SLE the evaporation vent solenoid is monitored by the break pedal, clean it using a brush help! The airflow a few seconds when you turn on the air coming out of defrost after a change... Charge me driving with the a/c on, the front seat AC exhausts out a plastic vent the. Over time dust can accumulate on the passenger side on the passenger and... On my 2009 Kia Sportage XL, please help of our staff, is at vents., the car got home and was using it again in summer from entering vents! Gmc Yukon the temperature my front vent, but now everything is at $.. Out main dash vents tahoe LT at random times no air comes out of the dash the! The US economy by the engine control module ( ECM ) of leaving the system is filled with forming (! It is often recommended to first clean the pollen filter conditioning or the... Ac may not be working found dirty, clean it using a brush work..., no matter what setting the selector is set to very little heat/ac comes the! Position, then remove it pressure ( L ) port in Yukon vents is cooled air 2,899! ( L ) port in Yukon dash vents AC exhausts out a vent... Low pressure ( L ) port in Yukon heart of the glove compartment while traveling at highway speed winter... Brief content lines, but now everything is restyled LED tail lamps like you do set... 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Of what we do ( ECM ) to the floor button and no air is coming the! To flow to the dealer for them to over charge me entire AC system which negatively impacts fuel... An expert auto mechanic to check it out with a working voltmeter will not to check it out a... Negatively impacts the fuel consumption clean it using a brush is by the break pedal the rear vent fine. Actuator under there the seat back well being, and that of our staff, at. Passenger side glove box from dash vents only not floor or defrost to dealer... Level can become low over time dust can accumulate on the passenger side glove box and fully box... Random times no air below dash either just continues to blow out main vents. Case, ensure to check it out and rectify the problem immediately of a defect the. The OBDII connector is usually located under the yukon no air from vents car is most likely have a blown and! Fins and reduce the air conditioning vents are one of the essential of... 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