Gmc acadia ac blowing hot air

2016 gmc Acadia cavender with 3.6l ac not working, compressor is working and everything is normal but blowing hot air - Answered by a verified Auto Mechanic. ... HiIntermittent heat -I have a 2011 GMC Acadia I had the the AC serviced 8 months ago (new compressor Ect 650.00 worth of work) ...

Gmc acadia ac blowing hot air. AC blowing hot, GMC Acadia. Asked by Boomer403 Jul 06, 2018 at 11:15 AM about the 2010 GMC Acadia SLE-1 FWD. AC is blowing hot, already tried recharging. When car idles and AC turned on, RPM's have a slight surge every few seconds. Not sure if problem is. compressor itself or a relay/fuse.

Passenger side blowing heat when A/C on. We just purchased a 2011 GMC Acadia Denali used from our local BMW Dealership. Day two of owning our vehicle we decided to go on a road trip. When trying to use the air conditioner we noticed that the air conditioner works everywhere throughout the vehicle EXCEPT on the front passenger …

Car AC Blows Cold on One Side and Hot on the Other - Diagnose and Fix. Description. If the car AC blows cold air on one side and hot on the other, there are a few different causes but it's likely the blend door actuator, also known as the temperature blend door actuator or vent mode door actuator. Author. 1A Auto Team.Personal finance weblog The Simple Dollar recently found that, on average, having a ceiling fan running in a room makes it feel around four degrees cooler. Australian government st...Listen and see if you hear the actuator sound when set to maxium heat temperature to Heat with A/C manually off. Then check all front modes one at a time. . . slowly ( wait 20 seconds or so in each mode ) . . and check if hot air comes out of any of them. 2019 Acadia SLT-1 FWD Smokey Quartz Metallic 3.6L V6.1. AC Blowing No Air at All. Usually the culprit. If your GMC Acadia has no air moving through the climate system at all, that’s a lot easier to diagnose than the air that is blowing not being cool enough. When there’s no air flowing through the vehicle’s cabin, a bad blower motor usually causes this scenario.Aug 26, 2020 · Blows hot air. All the front vents and. All the front vents and lukewarm/mildly cool when i turn on the back. I topped off the freon today, and recalibrated the acuator by removing the … read more. 2012 Acadia ac light blinks three times. Won't stay lit. 2012 Acadia ac light blinks three times. Won't stay lit. AC blowing hot, GMC Acadia 12 Answers. AC is blowing hot, already tried recharging. When car idles and AC turned on, RPM's have a slight surge every few …Understanding why your car AC is blowing hot air and knowing how to fix it can save you from discomfort during hot summer days. Remember to check for common problems, and if you’re unsure or unable to diagnose the issue yourself, seeking help from a qualified technician is the best course of action.

The most common causes that hinders normal operation of air conditioning system on your GMC Acadia are dirty cabin air filter, refrigerant leak, dirty or clogged condenser, dirty or clogged evaporator, bad blower motor, defective compressor, faulty blend door actuator or any fault in the electrical system.1 answer. I'm trying to troubleshoot my 2012 gmc acadia that's blowing cold air on the drivers side and hot air on the passenger side when the ac is on. Sounds like …2016 gmc Acadia cavender with 3.6l ac not working, compressor is working and everything is normal but blowing hot air - Answered by a verified Auto Mechanic. ... HiIntermittent heat -I have a 2011 GMC Acadia I had the the AC serviced 8 months ago (new compressor Ect 650.00 worth of work) ...Sometimes mechanical issues with the vent door can cause your AC to blow warm air on the passenger side. Sometimes the vent doors can be jammed or stuck or can have issues being controlled. 5. Temperature Sensor Not Working. If the temperature sensor of your car is not working, your vehicle will have a hard time picking up particular ...9 posts · Joined 2017. #1 · Jan 9, 2017. I had the battery replaced on a 2011 GMC Acadia today, after replacement the driver's side is blowing cold air, while the passenger side is blowing warm air. I have tried resetting or calibrating the actuators by removing the battery cables for 10 minutes, reconnecting, turning on the car (I heard two ...They should be able to help you with this. Michelle, GMC Customer Service. Like. S. salguod. 1042 posts · Joined 2010. #3 · May 29, 2012. A three flash means the system thinks it's low on refrigerant, so it won't run. If you've verified that it …SOURCE: Hot air blows but cools down in 15-20 seconds. You likely have a restriction in the heater coolant hose circuit - perhaps a coolant control valve not fully opening, or a kinked hose. Insufficient coolant volume is flowing to keep the heater core hot. Try back flushing the heater core system with a garden hose to check flow.The 2015 GMC Acadia experienced the seventh most amount of reported A/C problems, according to CR’s data, with the majority of these problems cropping up between 44,000 miles and 79,000 miles ...

The blower motor is the central component of the air conditioning system in GMC Acadia, responsible for blowing hot or cold air through the AC vents. If the blower motor stops working due to a fault, the air will not flow out of the vents when you switch on the AC in your Acadia. GMC Acadia – (Art Konovalov / Shutterstock)Why my acadia its blowing hot air when a/c is on. 1 Answer. eric. Contributor 1 Answer. Posted on Jun 09, 2014. Several reasons why ac not blowing cold. Most …Oct 17, 2019 ... Comments203 · Temperature or Blend Door Actuators - Can you DIY? · AC Blows Hot on Driver Side Air Vents 10 GMC Acadia (HD) · Dealers CAN'...Jul 1, 2019 · My '11 Acadia SLE started blowing hot air. We. added refrigerant and it blew cold for about a 30. minute drive home. An hour later got back in the. car and it was hot again. My husband added more. refrigerant and cycle continued. A mobile mechanic took a look and said our AC. Turning that knob to the left will set the system to set cooler air. Turning the knob to the right will tell the system to deliver warmer air. If you have an automatic climate control system you should set to a reasonable living room temperature and let the auto system do the work to quickly heat or cool your vehicle. GMC Acadia. The most common reasons a GMC Acadia ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. 0 %. 37 % of the time it's the. AC Refrigerant Leak. 0 %. 21 % of the time it's the. Climate Control Electrical Issue.

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2010 acadia - no heat. I was hoping that someone would have an answer to my problem. I have a 2010 acadia with manual temperature control. The problem I am having is that it is blowing cold air when idling and will start blowing hot air when driving. It could idle for 10 minutes and still blow cold. The temperature guage is reading 100 …Sep 4, 2018 · 6 posts · Joined 2018. #1 · Sep 4, 2018. 2013 Acadia (78k miles) overheating. Here are the symptoms: 1) Engine Overheating/Turn off A/C message flashing. 2) Engine temp in traffic with A/C on runs close to 250. 3) Engine temp without A/C on runs around 240. 4) Turning the heater on brings the temp down to 220-230. 2016 gmc Acadia cavender with 3.6l ac not working, compressor is working and everything is normal but blowing hot air - Answered by a verified Auto Mechanic. ... HiIntermittent heat -I have a 2011 GMC Acadia I had the the AC serviced 8 months ago (new compressor Ect 650.00 worth of work) ...GM did make this is very easy to do. Just find the fuse for it underneath the instrument panel on the passenger's side, remove it, wait about a minute or so, then put …I have a 2012 GMC Acadia. Denali package. I have an issue with rear AC blowing warm air while front is cold. If I set heater on high temperature I get very hot air through them butt when I set it on A … read more

I have a 2013 GMC Acadia Dinali when the AC is on it blows hot air 46,000 miles no warranty dealer says I need new Aux blower motor, Aux evaporator , 2 1/2 pounds of Freon and dext cool all for $1100 Does this seem legit and if my fan is working why are they telling me I need a new motor I just thought I needed Freon Please help. Thank you.9 posts · Joined 2017. #1 · Jan 9, 2017. I had the battery replaced on a 2011 GMC Acadia today, after replacement the driver's side is blowing cold air, while the passenger side is blowing warm air. I have tried resetting or calibrating the actuators by removing the battery cables for 10 minutes, reconnecting, turning on the car (I heard two ...Oct 1, 2016 · If this is the case, you could be having a a malfunctioning left- temperature actuator. This will require careful diagnostic tests, and i just hope the problem is only on that actuator, otherwise the other next possibilities can be more costly. goodluck, though. : ) Jan 23, 2011 • 2007 GMC Acadia SLE. Decide on the temperature that’s right for you. Most people choose something similar to their home thermostat setting, such as 72°F. Set the climate system to that temperature. Press the AUTO button. This may be found on the center stack, within the climate app on your infotainment screen or in both places.The 2015 GMC Acadia experienced the seventh most amount of reported A/C problems, according to CR’s data, with the majority of these problems cropping up between 44,000 miles and 79,000 miles ...GMC Acadia – (Art Konovalov / Shutterstock) The most common causes for AC not cooling properly in GMC Acadia are low or overcharged refrigerant, compressor malfunction, clogged cabin air filter, dirty condenser or evaporator coils, dirty or sluggish blower motor, and bad fuse or relay. Less common causes are clogged expansion valve …golf2beach said: From Section 8 page 2 of the 2014 Acadia Users Manual: (Air Conditioning): Press to turn the air conditioning system on or off. An indicator light comes on when A/C is on. The air conditioning. system does not operate when the outside temperature is below 4°C (40°F). The indicator light flashes three times and turns off when.Sep 16, 2022 · The most common causes for AC blowing hot air in GMC Acadia are low or overcharged refrigerant, compressor malfunction, dirty condenser or evaporator coils, faulty blend door actuator, defective evaporator temperature sensor, bad AC pressure sensor, and bad fuse or relay. Less common causes are clogged expansion valve or orifice tube ... The most common cause of a heater blowing cold air is a bad thermostat. The thermostat opens and closes to regulate coolant flow. A thermostat typically opens when the coolant temp...

2009 Acadia air conditioning does not work. The Ac snowflake will flash three times and nothing. It blows hot air. I have replaced the compressor twice now, replaced condenser, new drier, new expansion valve. Jumped the relay to kick start the compressor which would then run but short cycle 9 secs on 4 secs off. It would take refrigerant but would then be way high on low side gauge and low to ...

This means your AC compressor would be cycling on/off- as long as you have the fan blowing. Even if the AC light is OFF. Just an FYI-- it would increase your fuel consumption. but here is an excellent thread on replacing the actuators (assuming its an actuator thats gone bad). $30-$45 for the part. some tools. and a little flexing of your body.I have a 2012 GMC Acadia. Denali package. I have an issue with rear AC blowing warm air while front is cold. If I set heater on high temperature I get very hot air through them butt when I set it on A … read morePersonal finance weblog The Simple Dollar recently found that, on average, having a ceiling fan running in a room makes it feel around four degrees cooler. Australian government st...The GMC Acadia air conditioner light blinking indicates that there is a problem with the system. The most likely cause of this issue is an electrical fault in one or more air conditioning system components, such as the compressor, condenser, evaporator, or blower motor. A faulty relay switch or other wiring problems may also cause it.The Air Force ASVAB, or Armed Services Vocational Aptitude Battery, is a crucial part of the enlistment process for those looking to join the United States Air Force. It is a serie...Get The AC Pro recharge kit here. https://amzn.to/43PaM0tIn this video I add Air Conditioning Refrigerant to the Air Conditioning system on a GMC Acadia. Th...2012 GMC Acadia Rear A/C Blows Warm - FIXED!!!

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AC blowing hot, GMC Acadia 12 Answers. AC is blowing hot, already tried recharging. When car idles and AC turned on, RPM's have a slight surge every few seconds. Not sure if problem is compressor itself or a relay/fuse. Going to try c...When it comes to keeping your home cool and comfortable during the hot summer months, having a reliable air conditioning system is essential. However, with so many different types ...I’ve replaced the blend door actuator under the drivers side, per this diagram. This worked and cold air successfully blew out on the drivers side, however, it caused the right side to now blow hot air. I figured this would be calibration, so I popped the HVAC b fuse for 2 mins. Ran battery for 2 mins to calibrate, then started the Chevy.Personal finance weblog The Simple Dollar recently found that, on average, having a ceiling fan running in a room makes it feel around four degrees cooler. Australian government st...Blows hot air. All the front vents and. All the front vents and lukewarm/mildly cool when i turn on the back. I topped off the freon today, and recalibrated the acuator by removing the … read more. 2012 Acadia ac light blinks three times. Won't stay lit. 2012 Acadia ac light blinks three times. Won't stay lit.87 today and no cold air - just hot air blowing into the car. The AC was working last weekend but now mine is doing the same thing ... Purch May 2012<br />2007 GMC Acadia FWD SLT2, Deep Blue, Titanium Leather, 2Row Bench, DVD, HUD. -- Ord Feb 07, Delivered Apr 07, Traded May 12<br />2008 White Mustang- V6 Pony Package, ...Jun 23, 2020 · Bought if for $13,500 with 3620mi on it. Can see my build here: 2019 GMC SLT1 V6 AWD Salvage rebuild!! So the problem was the dealership sold me the AC line that had the R134A port on it. I needed the AC line with the 1234yf port. When I installed the wrong line the first time there was one seal I reused. 2009 Acadia air conditioning does not work. The Ac snowflake will flash three times and nothing. It blows hot air. I have replaced the compressor twice now, replaced condenser, new drier, new expansion valve. Jumped the relay to kick start the compressor which would then run but short cycle 9 secs on 4 secs off. It would take refrigerant but would then be way high on low side gauge and low to ...AC blowing hot, GMC Acadia. 370. Asked by Boomer403 Jul 06, 2018 at 11:15 AM about the 2010 GMC Acadia SLE-1 FWD. Question type: Maintenance & Repair. AC is blowing hot, already tried recharging. When car idles and AC turned on, RPM's have a slight surge every few seconds. Not sure if problem is.If your entire climate control panel is "off" and there is still air blowing - something is malfunctioning electronically. There could also be a problem with the refrigeration system with the AC -- but it's impossible to know with the other issue definitely occurring. Even hen turned off still blows hot air | Find answers to your 2009 GMC ...2011 Acadia is blowing good and cool in the front but the rear is blowing hot only? - GMC 2011 Acadia question. Search Fixya. Browse Categories Answer Questions . 2011 GMC Acadia; GMC ... Why is my 2011 GMC Acadia blowing hot air on the drivers side and AC in the other areas of the car? It is all supposed to be AC 99 degrees today and I'm ... ….

Jul 6, 2018 · AC blowing hot, GMC Acadia. 370. Asked by Boomer403 Jul 06, 2018 at 11:15 AM about the 2010 GMC Acadia SLE-1 FWD. Question type: Maintenance & Repair. AC is blowing hot, already tried recharging. When car idles and AC turned on, RPM's have a slight surge every few seconds. Not sure if problem is. On our 14' Acadia at 44,000 miles last year, the AC started blowing hot air. Cabin filter had all ready been changed. Freon was at 1.2 lbs, they checked the rear evaporator and okay. Recharged the AC with dye and come back in 2 weeks for a check. After 2 weeks, no leaks and still nice cold air. I went back again after to weeks and said all was ...2015 GMC Acadia AC (Air Conditioning) Issues. Just wanted to share an experience with our 2015 GMC Acadia. At about 14,700 miles our AC stopped blowing cool air. Of course this happens at the peak of the heat of summer. We just had it repaired under warranty and it was the rear evaporator core was leaking refrigerant and they had to replace the ... If you are getting normal cold air out of driver’s side and warm air out of center and passenger vents then you most likely have a bad temperature blend door actuator for the passenger side on the A/C evaporator case. Your system has two of these actuators, one for each side of your dash vents. This controls the temperature by getting ... The AC pressure switch in Acadia detects and monitors the pressure of the refrigerant in the AC system. If this sensor develops a defect, it will send incorrect values to the control unit and the AC compressor will not turn on. When this happens, you will only get hot air from the air vents of your vehicle’s AC. … See moreRelated Air Conditioner Blows Hot Content. ... 3 ANSWERS. 17 IMAGES. 2012. GMC ACADIA. 2008 Gmc Acadia Air Conditioning Compressor. I Put Freon Into The Low Pressure Port And Now Compressor Won't Kick On. Did ... My 2011 Acadia Is Not Blowing Any Heat Or A/c In The... My 2011 Acadia Is Not Blowing Any Heat Or A/c In …The most common causes for AC fan blower motor not working in GMC Acadia are blown fuse, bad relay, resistor or control module malfunction and faulty blower motor. However, a bad electrical connector or broken wire, or a defect in the climate control unit can also cause the blower motor to stop working. 1. Blown fuse.May 7, 2012 · This was supposed to have been fixed last year in April 2011 and July 2011. Now its continuing as iI lost cold air today looks that this is a common issue on this forum. I found that this is a recall on 2010-20114/2011 Acadia's. EQUIPMENT:ELECTRICAL:AIR CONDITIONER-. Vehicle: 2010 GMC Acadia. Nature of Defect: EQUIPMENT:ELECTRICAL:AIR CONDITIONER. 11 posts · Joined 2008. #7 · Oct 10, 2009. We had the same problem with our 2008 Acadia. On the first visit our dealer said they performed a reflash of the A/C control unit. It didn't help. When it finally always blew warm air in a/c mode then they discovered it was the actuator in the driver side vent. Gmc acadia ac blowing hot air, Oct 3, 2022 · If voltage goes to the blower motor, it’ll need replacing. If there’s no voltage, test the resistor (YouTube). 2. AC System Not Blowing Cold Enough. The most common reason for your GMC Acadia’s AC not blowing cold enough is low refrigerant levels, followed by a dirty evaporator or condenser issues (bad or clogged). , HELP!!! My passenger side dash vents AND floor vent are blowing only hot air. The drivers side blows cold air just fine. And I'm able to switch between positions - …, To shrink rubber, expose the material to extreme, direct heat, and then form it into the desired shape. Heat the rubber material with a blow dryer or hot air gun in an outdoor sett..., you can buy the part here: https://amzn.to/33HoupjIf this video helped you fix your problem and save some bucks, then support our channel! Any size donations..., Gmc Acadia Ac Blowing Hot Air. Gmc acadia recharge air conditioning saturn outlook 2012 gmc acadia rear a/c blows warm 2015 gmc acadia low pressure port location / 2015 gmc acadia for sale. 2007-2012 Gmc Acadia Ac Heater Climate Control 25932036 53920 - …, HELP!!! My passenger side dash vents AND floor vent are blowing only hot air. The drivers side blows cold air just fine. And I'm able to switch between positions - …, When it comes to keeping your home cool and comfortable during the hot summer months, having a reliable air conditioning system is essential. However, with so many different types ..., 2012 gmc acadia SLT heat/ A/C problems. So, I had a problem with the passenger side blowing hot air, While the settings are on a/c. This vehicle has dual climate control btw. Drivers side works fine. Back works fine. So, I did some research and obvious thing was the blend door actuator. So there are 3. 1 on driver's side, 2 on passenger side., 2011 GMC Acadia AC blowing hot air 3 Answers. My '11 Acadia SLE started blowing hot air. We added refrigerant and it blew cold for about a 30 minute drive home. An hour later got back in the car and it was hot again. My husband added more ref..., 87 today and no cold air - just hot air blowing into the car. The AC was working last weekend but now mine is doing the same thing ... Purch May 2012<br />2007 GMC Acadia FWD SLT2, Deep Blue, Titanium Leather, 2Row Bench, DVD, HUD. -- Ord Feb 07, Delivered Apr 07, Traded May 12<br />2008 White Mustang- V6 Pony Package, ..., 87 today and no cold air - just hot air blowing into the car. The AC was working last weekend but now mine is doing the same thing ... Purch May 2012<br />2007 GMC Acadia FWD SLT2, Deep Blue, Titanium Leather, 2Row Bench, DVD, HUD. -- Ord Feb 07, Delivered Apr 07, Traded May 12<br />2008 White Mustang- V6 Pony Package, ..., Are you searching for a unique and thrilling experience to share with your loved one? Look no further than a hot air balloon ride for 2. Soaring through the sky in a majestic hot a..., Personal finance weblog The Simple Dollar recently found that, on average, having a ceiling fan running in a room makes it feel around four degrees cooler. Australian government st..., Make sure that you know exactly were the leak is occuring. The evaporator line runs right next to the condenser Line, on some of the path. Most times it is NOT the evaporator, but one of the two lines. 2010 GMC Acadia SLE AWD. This is an older thread, you may not receive a response, and could be reviving an old thread., We have a 2014 Acadia and previously owned a 2008 Acadia. Both have had the exact same problem with the AC. It begins with a hissing sound around 50,000 mi, stops blowing cool air and results in a leak in the evaporator coil. The repairs are approx $1400. I’m currently in a battle over repairs with GMC because this seems to be a recurring ..., Beginner Guide. There are a few reasons your driver-side AC could be blowing hot air. One possibility is that the AC compressor is not working correctly. If the compressor is not working, it will not be able to pump refrigerant through the AC system, and the air will not be cooled. Another possibility is that there is a leak in the AC system., If you’re like most car owners, you rely on your vehicle’s air conditioning system to keep you cool and comfortable during hot summer days. However, when your car AC starts blowing..., If you are in the market for a reliable and spacious SUV, look no further than a used GMC Acadia. Known for its versatility and durability, the GMC Acadia has been a popular choice..., When the air conditioner in your 2013 GMC Acadia starts blowing hot air, you likely have a freon leak. Recharging the freon in your AC system is an inexpensive and easy first step to restoring the cooling capacity of your A/C system. Most refrigerants include a leak sealer that will seal small leaks in addition to filling the R134a freon., Aug 27, 2020 · 33 posts · Joined 2018. #1 · Aug 27, 2020 (Edited by Moderator) I just dropped my 2016 Acadia off at the dealership. The other day it stopped blowing cold air (still cool just not cold) then hissing sound from the dash started happening shortly later. I turned off the A/C and scheduled an appointment at the dealership. , If your entire climate control panel is "off" and there is still air blowing - something is malfunctioning electronically. There could also be a problem with the refrigeration system with the AC -- but it's impossible to know with the other issue definitely occurring. Even hen turned off still blows hot air | Find answers to your 2009 GMC ..., There are two possible scenarios that could be causing your problem: As crazy as it sounds, I have had a low refrigerant charge in the a/c system as a cause of this, so it may just be that your a/c... Read more. My climate control is not working properly., Aug 16, 2014 · Hot air blowing out of the top vents in the back, but ice cold out of the front vents in the dash. After it ran for another 5-10 minutes or so it was cold in the back too. I am not sure, but maybe the top vents aren't insulated well from the roof and the heat from the sun just bakes the vents? , Mar 28, 2022 · The most common causes for AC not cooling properly in GMC Acadia are low or overcharged refrigerant, compressor malfunction, clogged cabin air filter, dirty condenser or evaporator coils, dirty or sluggish blower motor, and bad fuse or relay. Less common causes are clogged expansion valve or orifice tube, overcharged oil, faulty blend door ... , Sometimes mechanical issues with the vent door can cause your AC to blow warm air on the passenger side. Sometimes the vent doors can be jammed or stuck or can have issues being controlled. 5. Temperature Sensor Not Working. If the temperature sensor of your car is not working, your vehicle will have a hard time picking up particular ..., Sep 4, 2018 · 6 posts · Joined 2018. #1 · Sep 4, 2018. 2013 Acadia (78k miles) overheating. Here are the symptoms: 1) Engine Overheating/Turn off A/C message flashing. 2) Engine temp in traffic with A/C on runs close to 250. 3) Engine temp without A/C on runs around 240. 4) Turning the heater on brings the temp down to 220-230. , My 2012 GMC Acadia just stopped blowing hot air in the front vents. Certified warranty just went out as well they are telling me! Any suggestions as to what to check? Save Share. ... 2007 GMC Acadia SLT-2, 'HiYo' Silver outside, Ebony/Titanium inside, no NAV, no HUD, no errors., Set your desired temperature. The system is designed to adjust the fan speed, air flow distribution and delivered air temperature to quickly and efficiently reach and keep the interior of your vehicle at the temperature you set. The A/C button will light up. NOTE: This doesn’t necessarily mean the air conditioning is on — it just means it ..., B0228 is the same description as above, but points to the recirc door actuator. 15920864 is the temp door actuator, from GM it retails for 69.72. 15920864 is the inlet door actuator, it retails for 108.96. Temp door actuator should be about an hour of labor, air inlet actuator will probably be about 3 hours labor., 2012 GMC Acadia Rear A/C Blows Warm - FIXED!!! 2012 GMC Acadia Rear A/C Blows Warm - FIXED!!!, Sep 16, 2022 · The most common causes for AC blowing hot air in GMC Acadia are low or overcharged refrigerant, compressor malfunction, dirty condenser or evaporator coils, faulty blend door actuator, defective evaporator temperature sensor, bad AC pressure sensor, and bad fuse or relay. Less common causes are clogged expansion valve or orifice tube ... , Mar 28, 2022 · The most common causes for AC not cooling properly in GMC Acadia are low or overcharged refrigerant, compressor malfunction, clogged cabin air filter, dirty condenser or evaporator coils, dirty or sluggish blower motor, and bad fuse or relay. Less common causes are clogged expansion valve or orifice tube, overcharged oil, faulty blend door ... , Car AC Blows Cold on One Side and Hot on the Other - Diagnose and Fix. Description. If the car AC blows cold air on one side and hot on the other, there are a few different causes but it's likely the blend door actuator, also known as the temperature blend door actuator or vent mode door actuator. Author. 1A Auto Team.