Hyundai tucson ac blowing hot air

7 Reasons Air Conditioners Blow Hot Air. 1. Thermostat Issues. The first place you should look if your AC is blowing hot air is your thermostat. Anything from an improperly set thermostat to a broken thermostat could cause an air conditioner to blow warm air. Start by changing the setting on your thermostat and make sure it is set to …

Hyundai tucson ac blowing hot air. Cold air is blowing on drivers side, hot air is blow on passenger side? 1. Tech doesn't know whats wrong. 2. Tech doesn't know whats wrong, so they recomend the system be evacuated and refilled at $281.00 since they don't know whats wrong and they can't read guages. 3. Compressor is over filled or under filled.

Hyundai Tucson a/c starts out cold air then starts to blow hot air then goes back to cold air - Hyundai 2006 Tucson question. Search Fixya. Browse Categories Answer Questions ... that is on the engine coolant circuit and only provides hot air. The AC compressor system has an 'evaporator' up in the dash and only supplies chilled air. I trust the ...

The 2016 hyundai tucson blend door actuator is located behind the dashboard on the driver’s side. This actuator controls the hot and cold air temperature in the vehicle. Installing a new actuator can improve your heating and air conditioning system in your tucson. The blend door actuator is an essential part of your vehicle that helps ...2014 Hyundai Tucson AC Compressor. Buy Online. Pick Up In-Store. Brand. DENSO (1) Four Seasons (6) Nissens (2) Santech (1) Valeo (1) Price. Set custom price range: to. ... Car AC Blowing Hot Air; Does the Car AC Use Gas? How to Get Rid of a Musty Smell in Your AC; How to Use Car Defrosters; Does AC Affect Gas Mileage?Hot air while driving. Just picked up a brand new 2024 tuscon hybrid. Noticed hot air coming from the vents when driving with air con off, sun room open and outside temp 20 degrees.7 posts · Joined 2021. #1 · Mar 5, 2021. 2017 Tucson eco 1.6t. 79k highway miles. My heater control was locked on high heat about two weeks ago. After fidgeting with the temp control it is now permanently locked on cold temp which sucks in Colorado winters! Antifreeze level. Is fine, although I will change this tomorrow.Equip cars, trucks & SUVs with 2020 Hyundai Tucson Cabin Air Filter from AutoZone. Get Yours Today! We have the best products at the right price. ... Why Does Your Car Overheat When the AC Is On? Car AC Blowing Hot Air; Does the Car AC Use Gas? How to Get Rid of a Musty Smell in Your AC; How to Use Car Defrosters;2013 Hyundai Tucson AC Hose Assembly. Buy Online. Pick Up In-Store. Price. Set custom price range: to. $20 - $25 (1) $60 - $70 (1) $100 - $125 (1) ... Car AC Blowing Hot Air; Does the Car AC Use Gas? How to Get Rid of a Musty Smell in Your AC; How to Use Car Defrosters; Does AC Affect Gas Mileage?

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 ...Hyundai 2005 XG350, A/C blows only hot air, I saw the button test on line...did it ___ while turning car to on - Answered by a verified Hyundai Mechanic ... Hyundai Tucson The AC on the drivers side of my 1.6 Limited only blows hot air. The passenger side blows cold. Additionally the door lock seems to be stuck on the drivers side as well, ...First, check the condenser to make sure it's not blocked by any debris. Inspect the cabin air filter (if equipped) to verify that it is not clogged. Determine if the blend door is moving. Check the system pressure. If it's low, you'll need to charge it and find out where the leak came originated.When that happens the cold air will become warmer ind if you are drawing in outside air you may notice an increase in humidity. After a brief period of time (20 - 30 seconds give or take depending on conditions) the compressor will engage again and the air will return to being cold. That is the way that this system operates and is normal.On April 23, Hyundai Motor will report latest earnings.Analysts predict Hyundai Motor will release earnings per share of KRW 4079.88.Watch Hyundai... On April 23, Hyundai Motor wil...Driver side seem working very well with cold air blowing out But on the passenger side, hot air blowing out. I turned on Dual mode, leave driver side with 70F and turn down passenger side for 65F and now it blow cold air. Then I tried to turn off Dual mode, leave both of them at 70F and it happens again, cold air on Driver side and hot …Not impressed having to fork out money on a new vehicle because of their design flaw! The 2017 Hyundai Tucson has 6 problems reported for a/c stopped working. Average repair cost is $1,120 at 39,950 miles.

TOP 5 WHY AC AIR CONDITIONER DOES NOT WORK ON HYUNDAI TUCSON, AC BLOWS HOT WARMIf you have Hyundai Tucson and you want to know the top 5 reasons why a/c does...First, check the condenser to make sure it's not blocked by any debris. Inspect the cabin air filter (if equipped) to verify that it is not clogged. Determine if the blend door is moving. Check the system pressure. If it's low, you'll need to charge it and find out where the leak came originated.Santech Kit A/C Kit P96-40680. Part # P96-40680. SKU # 928509. Limited-Lifetime Warranty. Check if this fits your 2010 Hyundai Tucson. Notes: A/C Compressor Kit. DVE16 PV6. Condenser replacement is required for 1996 and later microchannel condensers as they cannot be flushed. PRICE: 494.99.Do you want to learn how to add freon to a car that doesn't blow cold air? Watch this video and follow the steps for a 2013 Hyundai Elantra. You will also find useful tips and tricks for ...

Susan hogan.

Today I briefly turned the heat on since the outdoor temp was cool. Later in the day, I resumed the A/C AUTO setting at 72 for BOTH sides of upper vent outlets. I soon noticed that the driver's side blows warm air and the passenger side blows cold air as it should. No amount of adjusting the temp control either up or down had any effect on the ...The blower motor is the central component of the air conditioning system in Tucson, responsible for blowing hot or cold air through the AC vents. Although most of the dirt and other particles in the air are filtered by the cabin air filter, but some particles do escape and can cling to the fins of the blower cage.214 posts · Joined 2020. #2 · May 15, 2021. Yes it's normal. When your fan is off and second to last is inflow from outside fresh air. So it still pushes air from outside (hot air) through. Last button is internal air circulation and it will shut off the exterior vent therefore no heat from engine bay. This is normal with all the cars.9 posts · Joined 2022. #1 · May 10, 2022. Daughter has a 2013 Hyundai Elantra and we are experiencing hot air at idle and low speeds. Works like a champ when the engine is cool and idling or above 40mph. New fan assembly was put on by Hyundai dealer to fix the problem but it is still doing this. Could the HVAC pressure transducer possibly ...

I have a 2011 hyundai sonata with $96k miles which suddenly started blowing warm air when the AC is on. I have done the following to help isolate the problem. 1) I have checked all the relays and the fuses, they all seem fine. 2) If I put 12 volts on the compressor connector I hear it click (I have done this at the fuse box side, so I know the ...3. Controls & Thermostat. A lack of coolant and problems with the heater core are two of the most common causes of a heater blowing cold air. However, if you've checked these issues and the problem isn't resolved, there are a few other solutions you could try. First, check the controls for your heater.More Americans are installing central air conditioning as heatwaves become more common. Americans have been cranking up the AC as heatwaves become more frequent. Nearly 90% of Amer...1 post · Joined 2022. #1 · Jul 16, 2022. About a month ago the ac would come and go intermittently on our 2014 Tuscon I noted when it stopped working the ac clutch wasn't engaging and spinning any more. I replaced that and the ac worked great for about two -three weeks. Now it's blowing hot air out the vent. The low side pressure is ...Question type: Maintenance & Repair. I have a 2014 Hyundai Tucson limited. The. problems started about a year ago the system. would blow cold then blow warm. The dual climate. control acted crazy if the driver or passenger. adjusted the temperature one degree it would. make both sides change temperature although the.For More Info visit us at: http://1aau.to/h/cBh/It's hot out, and your AC isn't blowing cold. What now? Watch this video! Andy shows you several common failu...So our 2014 Hyundai Tucson (GDi) cooling fan doesn't seem to come on when it's hot or when the ac is on. The ac only blows cold when the car is moving and the car sometimes overheats when idling. I had a can of AC Pro on hand that …1. AC Blowing No Air at All. Usually the culprit. If your Hyundai Tucson 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.Hyundai Tucson The AC on the drivers side of my 1.6 Limited only blows hot air. The passenger side blows cold. ... Hi , my 2008 Sante Fe is only blowing hot air from passenger side of car- cool air coming out driver side - any help would be great also any idea of $$ to fix- thanks ...The blower motor is the central component of the air conditioning system in Hyundai Kona, 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 Kona. Hyundai Kona - (Ovu0ng / Shutterstock)

Has your 1.5-ton air conditioner been underperforming lately? Are you experiencing reduced cooling efficiency or warm air blowing out of your AC vents? These are common signs that ...

Hyundai Tucson AC Heater Blend Door Actuator. Buy Online. Pick Up In-Store. Price. Set custom price range: to. $50 - $60 (1) $60 - $70 (1) ... Car AC Blowing Hot Air; Does the Car AC Use Gas? How to Get Rid of a Musty Smell in Your AC; How to Use Car Defrosters; Does AC Affect Gas Mileage?HOW TO TEST AC PRESSURE SWITCH ON HYUNDAI ELANTRA SONATA TUCSON SANTA FE ACCENT VELOSTERIf you have Hyundai and the ac is not working on Hyundai and you want...64 Answers. SOURCE: hyundai tucson 2006 start overheating out of. Waterpump, seems like a likley culprit. Your Ac compressor belt runs over your water pump. when the ac is on it puts more load on your engine , your water pump may be defected and not able to handle the extra load. Posted on Apr 17, 2010.Hyundai tucson 2006 start overheating out of. Hyundai tucson 2006 started overheating out of nowhere. The a/c was running fine then it started blowing hot air. Immediately the engine starting overheating bad. Let it cool down then drove with the a/c off and it didn't overheat for the rest of the day. Any adivce on what may be the problem?Hyundai Tucson The AC on the drivers side of my 1.6 Limited only blows hot air. The passenger side blows cold. ... Hi , my 2008 Sante Fe is only blowing hot air from passenger side of car- cool air coming out driver side - any help would be great also any idea of $$ to fix- thanks ...@Ashraf answered 2 months ago (29.12.19 Today) I have a 2014 Ford Edge SEL. Microsoft Sync system and independent driver/passenger dual climate control. AC blows hot air on driver's side, cold air on passenger side. 1. Did try all combo ideas - No Luck 2. Did try SYNC Reset - No Luck 3. Switched the car off.2013 Hyundai Tucson. Proprietary air conditioning question. No air conditioning present within vehicle,both sides high and low, read 110 psi with compressor running and 100 psi on both sides with comp ... The ac starts blowing cold air , but turns to hot air ...2007 Hyundai Tuscon A/c Blows Hot Air When Idling. Air Conditioning Problem 2007 Hyundai Tuscon 4 Cyl Automatic I've Had My Air Recharged And Checked Out Twice. The Mechanic Says... Asked by beth24 · 2 ANSWERS. 2007. HYUNDAI TUCSON. VIDEO. Fix an Air Conditioning Not Working Video. Instructional repair video. GUIDE.This is Part 1 of 2 fixing a no a/c complaint on a Hyundai Santa Fe. Sometimes it takes just a quick visual inspection to find the problem. Thanks for chec...

Barney when i grow up vhs.

Fbi entry level salary.

Hyundai Elantra – (Jonathan Weiss / Shutterstock) The most common causes for AC blowing hot air in Hyundai Elantra 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.Aug 2, 2019 · Pressure - done (by the dealer, there goes $180... also that guy) A/C isn't slow or intermittent, more like the car thinks the passenger side ambient temp is 65 while the driver side knows it's actually warmer. When it's 80 outside, and the AC is set to 'auto' at 70, driver side blows cold, passenger blows hot. ac clutch is engaged all the time , i have checked relays ,fuses and power to compressor all good system is charged to 1.15 lbs as required but still blowing warm air 2012 Hyundai Tucson … read moreHyundai Tucson The AC on the drivers side of my 1.6 Limited only blows hot air. The passenger side blows cold. Additionally the door lock seems to be stuck on the drivers side as well, as i have to hi … read moreYour Hyundai has an auto AirCon system. When the AirCon is turned off the switch for the AirCon opens a valve on the heater inlet to allow hot water into the heater. If the switch or the valve fail then the heater does not receive hot water and blows cold. You make no mention of overheating or warning lights coming on, so I would assume the ...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.According to About.com, if your air conditioner keeps blowing fuses or tripping circuit breakers, it is because the appliance is trying to draw more current than the fuse or breake...The blower motor is the central component of the air conditioning system in Hyundai Kona, 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 Kona. Hyundai Kona - (Ovu0ng / Shutterstock)Hyundai 2005 XG350, A/C blows only hot air, I saw the button test on line...did it ___ while turning car to on - Answered by a verified Hyundai Mechanic ... Hyundai Tucson The AC on the drivers side of my 1.6 Limited only blows hot air. The passenger side blows cold. Additionally the door lock seems to be stuck on the drivers side as well, ...I have measure many cars and it doesn't matter really how hot it is, usually with Hyundai's and the variable displacement compressor they should be colder vent temp at 100 degrees than at 70 as they increase output to meet deman.. Auto A/C should never be over 42 at idle or driving ever. The Evaporator should be in the low 30's to prevent ...Order Hyundai Tucson Idle Air Control Valve online today. Free Same Day Store Pickup. Check out free battery charging and engine diagnostic testing while you are in store. ….

Be sure it is set to cool. If the thermostat is set to cool, check the temperature setting to be sure someone hasn’t changed it. If it is off, set to heat, or set for constant fan (sometimes simply labeled “on”), switch it back to cooling operation. After the system kicks on, wait a few minutes, then check for cold air blowing from the ...I have a 2017 Hyundai Tucson Limited. It has dual air/heat. The passenger side blows heat but the driver's side does - Answered by a verified Hyundai Mechanic ... and yesterday it started blowing hot air out. But started blowing cold air out about 3 hours later. ... Hyundai Tucson The AC on the drivers side of my 1.6 Limited only blows hot …Hello my name is***** own a 2017 Hyundai Elantra my air conditioning is blowing hot air now and it still has pressure in the lines I don't hear any squealing from the AC compressor and ... hi! my hyundai always blows hot air out of the AC vents even when I turn the AC and all of the controls for the fans off it still blows hot air and the ...Check the overflow bottle on the right fender in the engine compartment. If it's very low or dry, take the radiator cap off (engine cold!) and make sure the radiator itself isn't low. Use 50/50 mix to bring the levels up. Low coolant level means low flow through the heater cores.658 posts · Joined 2020. #6 · Jul 12, 2021. Ours blew up few weeks ago. It's been a Hot summer and the AC decided to give up on the hottest day. Took it in to the dealer (was earlier told to wait one month out for service appointment but after escalating to the higher ups, was able to take in next day), they diagnosed the compressor needed ...Do you want to learn how to add freon to a car that doesn't blow cold air? Watch this video and follow the steps for a 2013 Hyundai Elantra. You will also find useful tips and tricks for ...Jul 1, 2023 · 97157-3T000 Genuine Hyundai Intake Actuator Assembly. Genuine 97157-3T000 Intake Actuator Assembly fits 2014-2023 Hyundai Palisade, Tucson. HyundaiPartsDeal offers 971573T000 for $38.42. www.hyundaipartsdeal.com. Make sure you complete the "Check Fit". Note the diagram calls out one on the right side and one on the left. First, check the refrigerant level and replace if low. Next, clean or replace the air filter and check for any leaks. Use a uv dye to pinpoint any leaks, then seal them with an appropriate sealant. Regular maintenance, such as cleaning the condenser and checking the compressor, can also extend the lifespan of your ac system. Hyundai tucson ac blowing hot air, While your 2022 Hyundai Tucson's air conditioner is being serviced, we'll also do an A/C evacuation and recharge. During this process, a technician will remove the old refrigerant from the A/C system. Next, they will evacuate the system according to Hyundai's recommendations. Finally, we'll recharge the A/C system with new refrigerant and ..., If your hyundai tucson’s air conditioning system isn’t distributing cold air uniformly, it’s a clear indication that there’s a problem with the blend door actuator. Also, strange noises and hot air blowing through the ac vents can indicate trouble. Fortunately, there are various diagnostic tests to identify such issues. To get started ..., 14. Plastic bag stuck on the exhaust pipe. The cause of the burning smell in your Tucson could be as simple as a piece of garbage, like a plastic bag, stuck on the exhaust system. Inspect the undercarriage of your vehicle for any sign of garbage, including the muffler, the exhaust pipe and the catalytic converter. 15., A/C Recharge for Hyundai Tucson. Let's say we repair your 2018 Hyundai Tucson A/C system. We will also perform an A/C evacuation and recharge. To start this process, a technician will flush out the old refrigerant from your vehicle's A/C system. Next, they will evacuate the system according to Hyundai's recommendations., The easiest way is to connect AC gauges to both the high pressure, thin metal line on the car, remove the cap with the "H" printed on it, use the red hose on your gauges, and then connect your low pressure side, the thicker metal line, remove the cap with the "L" printed on it and use the green hose from your gauges., 2007 HYUNDAI TUCSON; Air Conditioning problem 2007 Hyundai Tuscon 4 cyl Automatic I've had my air recharged and checked out twice. The mechanic says everything is in perfect order and there should be no reason why my car is blowing hot air when I stop. Any ideas?, It is almost hot air while the passenger side is cool. ... My 1999 Hyundai Elantra is blowing cold. Have a new thermostat, flushed system, all hoses are hot. There is a vacuum actuator (picture) that works for defrost and internal ventilation. ... Used Hyundai Tucson. 1,048 Great Deals out of 28,076 listings starting at $1,100., 2007 Hyundai Tucson. AC started blowing hot air and noticed the engine light was hot. The coolant reservoir is full and didn't need much water. What can be the problem. We are away from home. Mechanic's Assistant: Many things can cause trouble with the A/C. Some simple, some complicated., First, check the condenser to make sure it’s not blocked by any debris. Inspect the cabin air filter (if equipped) to verify that it is not clogged. Determine if the blend door is moving. Check the system pressure. If it’s low, you’ll need to charge it and find out where the leak came originated., If your ac refrigerant escaped due to condenser crack and replacement, you cannot just add new refrigerant right after. You will have to perform an evacuation via vacuum pump. When the below zero reading does not move after 1/2 hour or so - that means you have no leak - then you can add the correct weight amount of refrigerant., The most common causes for AC blowing hot air in Chevy Colorado 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 ..., This information is typically located under the hood and/or in the owners manual. Start the engine. Turn on the AC and set it to the coldest setting, and the fan speed to maximum. Remove the cap from the low pressure service port labelled L, and connect the AC recharge kit., Hyundai Tucson The AC on the drivers side of my 1.6 Limited only blows hot air. The passenger side blows cold. Additionally the door lock seems to be stuck on the drivers side as well, as i have to hi … read more, 1) The part is located to the side of the driver side foot under the panel. 2) Remove the sensor (Look at the picture) 3) Use a small Phillips screwdriver to remove the Blend door actuator, about 3 little screws. 4) Attach the new Actuator to the sensor cable, turn your car on making sure is parked, and adjust the temperature to test the new ..., Hyundai Tucson The AC on the drivers side of my 1.6 Limited only blows hot air. The passenger side blows cold. ... When the air conditioning is on it blows hot air on the driverside and cold air on the passenger side ... my car heater is only blowing out hot air if the temp is set to 31 or 32 degrees, ..., Today I briefly turned the heat on since the outdoor temp was cool. Later in the day, I resumed the A/C AUTO setting at 72 for BOTH sides of upper vent outlets. I soon noticed that the driver's side blows warm air and the passenger side blows cold air as it should. No amount of adjusting the temp control either up or down had any effect on the ..., 1) A problem with the refrigerant system. Meaning, the refrigerant used has escaped and there is not sufficient refrigerant to pressurize the system properly, resulting in hot air. When this happens, the system must be checked for leaks, the leaks repaired, and the system recharged. 2) A problem mechanically or electrically with the under hood ..., 1745 posts · Joined 2012. #2 · Dec 12, 2016. The mode control actuator is located at the heater unit. It adjusts position of mode door by operating mode control actuator based on signal of A/C control unit. Turning mode select switch makes the mode control actuator shift in order of vent→ B/L → floor → mix→defrost., Maximize. The 2016 Hyundai Tucson has 12 problems reported for a/c stopped working. Average repair cost is $1,100 at 23,450 miles., If there's none, then the fuse is most probably blown and needs to be replaced. The solution to this problem is to simply replace the fuse with a new one. Make sure you get the right size and amperage for your vehicle. 6. Damaged Condenser. A condenser in a car's AC system cools and compresses the refrigerant., bluecar1. 8354 posts · Joined 2016. #5 · May 30, 2018. the AC runs off the traction battery so is independent of the ICE. but the car needs to be "ON" for the AC to run because of the drain on the traction battery. 2022 Intense Blue Hyundai Ioniq PHEV Premium SE. Location Kent, UK. Save Share., Recalls are federally required to address safety concerns. Service campaigns are Hyundai repairing problems before they become problems. 70% of "recalls" you have done are actually just minor updates/repairs that are referred to as service campaigns. Service writers use the two terms interchangeably though they're very different. 1. Reply. Share., Not impressed having to fork out money on a new vehicle because of their design flaw! - girons , Sherwood Park, AB, Canada. Maximize. The 2017 Hyundai Tucson has 6 problems reported for a/c ..., The heater may stop working in Hyundai Elantra due to low coolant level or air in the cooling system, clogged heater core, bad thermostat, faulty blend door actuator, bad water pump, dirty cabin air filter, bad blower motor, or HVAC control unit malfunction. 1. Low coolant or air in the cooling system. Low coolant level or air in the cooling ..., Check These Common Causes: Blocked condenser. Broken cooling fans. Broken condenser. Low refrigerant due to a leak. Electrical faults. The condenser in your air condition system looks a lot like a radiator and is mounted at the front of your vehicle. It is used to cool the hot compressed refrigerant back to ambient temperature as it comes …, Question type: Maintenance & Repair. I have a 2014 Hyundai Tucson limited. The. problems started about a year ago the system. would blow cold then blow warm. The dual climate. control acted crazy if the driver or passenger. adjusted the temperature one degree it would. make both sides change temperature although the., Hyundai Tuscon AC blowing hot air Safety Question Hi, I have a Hyundai Tuscon 2021 which I bought few years ago and the ac is blowing hot air even when on the coldest setting. I called Hyundai and they mentioned they ll need to diagnose which is 200$ and only after the diagnosis they can tell if it ll be covered under warranty or not. ..., Tucson blowing hot air when A/C is on. I have a 2021 Tucson Ultimate and noticed when I turn the temperature control down low to 65 degrees it’s still blowing hot air out. Even …, Tucson blowing hot air when A/C is on. I have a 2021 Tucson Ultimate and noticed when I turn the temperature control down low to 65 degrees it’s still blowing hot air out. Even if I flip the AC on at that temp it’s still hot. Only if I turn the temperature to as low as it goes will it start blowing cold air. Basically the the range from 65 ..., AC fan not blowing hard enough. Jump to Latest Follow ... On my '08 Tucson....I just changed the Blend Door Actuator on our "new" car. ... Hyundai Forum is a community for all Hyundai Owners to talk and learn all about their favorite subject: Hyundai cars from the Sonata to the Elantra and even the new Kona! Show Less ., The 2017 Hyundai Tucson has 6 problems reported for a/c stopped working. Average repair cost is $1,120 at 39,950 miles. ... AC stopped working then after awhile checked again and it was working but went off again after couple days and started blowing hot air when AC was turned on. Plan on getting it checked out tomorrow to hopefully get it ..., The most common causes for Hyundai Elantra AC not blowing hard enough are clogged cabin air filter, dirty evaporator coil, and frozen evaporator coil due to low refrigerant. Less common causes are dirty or sluggish blower motor and faulty mode door actuator. 1. Clogged cabin air filter. Dirty AC filter is the leading cause of weak AC airflow in ..., Here's a sample chart for discharge air temperature for R134a coolant in an auto AC: New photo by Jay _ The AC will heat or cool more or less aggressively according to the climate control "auto" mode setting (number of lights lit) and the driving mode setting also (eco less aggressive than sport).