Hyundai tucson ac blowing hot air

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 ...

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. 06 Hyundai sonata a/c stopped working.Sep 17, 2023 · 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 ... 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 ...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 moreHere are the four main reasons why your Tucson’s may not be working: Clutch Cycling Switch – AC systems use an electromagnetic clutch to activate the …1. AC Blowing No Air at All. Usually the culprit. If your Hyundai Sonata 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 car’s cabin, a bad blower motor usually causes this scenario.Fuse box diagram (location and assignment of electrical fuses and relays) for Hyundai Tucson (TL; 2016, 2017, 2018, 2019, 2020, 2021).

Question type: Maintenance & Repair. My 2015 Hyundai Tuscon started developing an issue where the AC just. stopped blowing , it happened in the middle of a road trip. I checked fuses , all. seemed good, so I toggled the control to heat and it started working m then I. set it back on AC and it worked ....for a while intermittently.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, ...The most common causes for AC blowing hot air in Hyundai Kona 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 …2013 Tucson ac blowing warm air. Compressor comes on and stays on. Ac only no leaks. 66000. That’s all I see - Answered by a verified Hyundai Mechanic ... 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 ...1. I have a Hyundai Tucson 2005. Bought it recently. The AC gives cold air for some time (like 20-30 min) and then blows hot air. If I turn it off and turn on again, it will still give hot air. It may again give cold air after I turn if on after a long time. The Freon level is okay.It could be caused by a dirty throttle body, a bad cooling fan, or a dirty/damaged IAC valve. The most common cause of rough idling while the AC is on is a dirty and/or faulty Idle Air Conditioner (IAC) valve. This valve helps regulate the amount of air coming into contact with the active air/fuel mixture. It also regulates the amount of air ...2017 Hyundai elantra blowing warm air but not hot air driver's side and 100% cold air on the passenger side. I checked the pressure on the Low pressure line reads about 37psi. I wondering if there's a heater core.valve or the blenders door.stuck. please help. Hello, this is Keiphun with just answer.

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 ...2016 Hyundai Accent 100,000+ miles. About a month ago, A/C started to blow cold air initially and then would quickly fade to only blow hot. Remember over past year, year and half, where had intermittent, rare occurrence, issue with A/C only blowing hot air for a short period of time. Specific incident happened when idling stuck in traffic on interstate. Took to mechanic and was told compressor ... AC COMPRESSOR BLOWS COLD AIR THEN WARM AIR HYUNDAI TUCSONIf you have Hyundai Tucson and the ac blows cold at first and a few seconds later the a/c starts to ... 2017 Hyundai Tucson AC / heater problems with 7 complaints from Tucson owners. The worst complaints are a/c stopped working, air conditioner goes off without warning.

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The most common causes for AC blowing hot air in Hyundai Kona 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 ...Turbo. Home. Hyundai. Tucson 2017. Air Conditioner / Recharge Freon. How to Add Refrigerant to a 2017 Hyundai Tucson Eco 1.6L 4 Cyl. Turbo. Hyundai Tucson Model Years - 2016, 2017, 2018, 2019, 2020, 2021. Where the low pressure A/C port is on 2017 Tucson and how to add add freon. Learn More > Author.Hyundai Tucson 2016 Tucson 74000 miles. Air conditioning. AC not blowing cold when air is on. Marie from United States 2 years ago . MA. Comment Same issue here. ... AC in rear blowing hot air but front is blowing cold Sierra 1999 Sierra. Front AC on max or Ac and blows cold. Rear ac control is set to high and blows but it is hot air.My 2009 Hyundai Tucson is blowing great cold air down onto my feet but almost zero AC coming from the Dash vents. And - Answered by a verified Hyundai Mechanic ... Hi I have a 2009 Hyundai Tucson. My ac is now turning on but little to no air is coming out of any of the vents. ... I have a 2008 hyundai elantra and the heater quit blowing hot air.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.3. Warm Air is Blowing. When you turn on the air conditioning, you expect to feel cold air pour out. However, when the AC pressure switch goes bad, warm air might be all you get. However, this problem is also caused by low refrigerant levels, which should be checked regularly. 4.

When the air conditioning in your 2011 Hyundai Tucson goes out, head to Firestone Complete Auto Care for Hyundai A/C service and repair. ... Why is my Tucson A/C blowing hot air? If your car's air conditioning isn't blowing cold air at all (or it tries, then turns warm), you could have a clogged expansion valve, a faulty compressor clutch ...Note: Dirty cabin air filter mostly only leads to reduced cooling. If only hot air comes out of the air vents in your Elantra, then the problem probably lies somewhere else. 2. Dirty or clogged condenser. Like the radiator, the air conditioning condenser on Hyundai Elantra sits at the front of the vehicle and is responsible for releasing the heat from the refrigerant into the ambient air.HYUNDAI AC PRESSURE SWITCH REPLACEMENT LOCATION, AC BLOWS HOT FIXIf you have Hyundai and you need to replace ac pressure switch because the air conditioner d...Hi Ron, 2017 Hyundai Tucson, blows only cold air. Hoses to the heater core are hot both in and out. I think it's the control of the heater duct door, not sure where it is or how to test. Hello and thank you for using Just Answer. My name is ***** ***** I will do my best to assist you. During this conversation you will be given an automated ...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 … my daughter's hyundai elantra 2002 gls air conditioning works fine for 7 or 8 minutes and then the compressor stop and start blowing hot air. i had to wait until the car engine is cool for the compres … TOP 5 WHY AC AIR CONDITIONER DOES NOT WORK, AC BLOWS HOT ON HYUNDAI SONATA ELANTRA SANTA FE TUCSON VELOSTERIf you have Hyundai and you want to know the top 5... Typically there are two reasons why the AC blow hot air. 1). Flapper valve which regulate the hot/cold air distribution gets stuck or inoperable. The older cars used mechanical or vacuum to move the flaps. The new ones use electronic stepper motors with temp. Feed-back from thermostat (my 2010 Tucson, Santa Fe and 2013 Sonata).The most common causes for AC not cooling properly in Hyundai Tucson 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 …The ac started blowing hot air and not cold. Mechanic's Assistant: Has the engine overheated recently? Do you see any coolant leaks? Not at all. Mechanic's Assistant: What's the make, model, and year of your car? 2016 Hyundai Tuscon. Mechanic's Assistant: Is there anything else the Hyundai Tucson Mechanic should know before I connect you? Rest ...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 was wondering w ... I have a 2012 Hyundai Tucson that is blowing warm air with the ac on. Low pressure gauge shows 30 psi.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

Aug 29, 2018 · Ac blowing cold on passenger side and not so cold on driver. Not hot but not cold.. I charged the system. I took the blender door actuator off and manually turned it to the cold position but still not blowing cold. When turning heat and cold up and down I can see the actuator moving. Actuator on passenger side moves fine as well when using dual ...

Answers. AC blows hot air, freon ck and is good no leaks, plenty of pressure, found the diode was blown. The diodes can fail but they typically fail open, not shorted. The diode should block current flow when the clutch is engaged and be a path to dampen the inductive kick caused by the collapse of the magnetic field when the clutch is turned off.Hyundai i10 - (VanderWolf Images / Shutterstock) The most common causes for AC blowing hot air in Hyundai i10 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.Hi I have a 2009 Hyundai Tucson. My ac is now turning on but little to no air is coming out of any of the vents. ... After warming car to operating temperature, heater blows only warm air, not hot air. Even after driving for 30 minutes in 55 degree weather at 75 mph, ...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 …WHY AC BLOWS WARM HOT AIR HYUNDAI KIA GDI ENGINE, AC NOT WORKING FIXIf you have Hyundai or Kia the ac blows warm air instead of blowing cold air and you wond...AC blowing hot air. Tags 2022 air conditioner elantra n line. Jump to Latest Follow ... 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 most common causes for AC fan blower motor not working in Hyundai Elantra 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.Turbo. Home. Hyundai. Tucson 2017. Air Conditioner / Recharge Freon. How to Add Refrigerant to a 2017 Hyundai Tucson Eco 1.6L 4 Cyl. Turbo. Hyundai Tucson Model Years - 2016, 2017, 2018, 2019, 2020, 2021. Where the low pressure A/C port is on 2017 Tucson and how to add add freon. Learn More > Author.

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The heater not working in some cases may be related to the overheating problem you are also having. This may be due to a faulty heater blower motor or potentially a bad heater core.As you may know, the heater core is a small radiator like unit that circulates the hot coolant from the engine through the heater core which then uses this warm coolant to heat the inside of the car with the help of ...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 ...Search Results 07 Tucson heater blowing cold air - Hyundai Forum - Hyundai ... www.hyundaiforum.com > ... > Vehicle Line Up > Hyundai Tucson Dec 16, 2009 - I have a 2007 Tucson, when you turn on the heater it only blows hot air...WHY AC BLOWS WARM HOT AIR HYUNDAI KIA GDI ENGINE, AC NOT WORKING FIXIf you have Hyundai or Kia the ac blows warm air instead of blowing cold air and you wond...2015 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?Subreddit dedicated to the auto maker Hyundai. Come share news and pictures and discuss everything related to Hyundai. ... etc, please message the mods about an official flair. Members Online • cacalaman . Driver side Ac blowing hot air Elantra ... Car model: 2020 Hyundai Elantra GT As the title states, the driver side is blowing hot air ...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.It could be a number of issues, such as refrigerant leaks, faulty compressor or compressor clutch, blocked air vents, faulty thermostat, broken cooling fans, a blown fuse, electrical problems, a broken condenser and blower motor issues. All of these issues can cause your AC unit to stop operating properly. If you start to notice hot air blowing ...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 …1,100 miles. On July 22, 2016 we drove our newly purchased (June) 2016 Tucson from Richmond, VA to Charleston, SC. After driving continuously for the first 250 miles of the 400 mile trip the air conditioner started blowing hot air. We drove for approximately 50 miles with no cold air in 90 plus temperatures. ….

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 ...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 …Today at its special launch event, EcoFlow launched a flurry of new products, including a "Whole-Home Backup Power Solution," a battery-powered fridge and a portable battery-powere...Surprisingly none during the day (~100 at the time) all happened at night. I would drive somewhere with the A/C on with no issue, however when I would get back in my car 5-30 minutes later nothing would come on. The A/C and recirculate light would come on as usual, but no air at all from the vents. I tried restarting the car, checked the fuses ...Hyundai Tucson: Controller / Heater & A/C Control Unit (Dual) Repair procedures. 1. 2. After the display panel flickers three times every 0.5 second, the corresponding fault code flickers on the setup temperature display panel every 0.5 second and will show two figures. Codes are displayed in numerical format. 3.Apr 23, 2023 ... 2011 Hyundai Tucson with Air Conditioning blowing warm air, the system is is fully charged with refrigerant and the A/C magnetic clutch is ...2015 Hyundai Tucson - AC not blowing cold. A month or so ago, my car stopped blowing cold air. It was working fine and then over the course of a week just gradually declined. Took it to a Mechanic and they said it had no refrigerant,, so they recharged it. Worked fine for about a month and then it stopped blowing cold air again. Recharge the A/C in Your Tucson. When we perform an A/C repair on your 2017 Hyundai Tucson, we’ll also do 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. Then, they’ll perform an evacuation (also known as a discharge) on the entire system per Hyundai ... Hyundai tucson ac blowing hot air, 2006 Hyundai Azera blowing warm air on drivers side and cold air on passenger side when trying to cool the car. Is - Answered by a verified Hyundai Mechanic ... I have got a problem with my Hyundai Tucson CDRI 2007 heating system ... I just took my car to a repair shop because the air conditioner was blowing hot air. Previously, …, 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., May 18, 2017 · 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 ac started blowing hot air and not cold. Mechanic's Assistant: Has the engine overheated recently? Do you see any coolant leaks? Not at all. Mechanic's Assistant: What's the make, model, and year of your car? 2016 Hyundai Tuscon. Mechanic's Assistant: Is there anything else the Hyundai Tucson Mechanic should know before I connect you? Rest ..., Hi Ron, 2017 Hyundai Tucson, blows only cold air. Hoses to the heater core are hot both in and out. I think it's the control of the heater duct door, not sure where it is or how to test. Hello and thank you for using Just Answer. My name is ***** ***** I will do my best to assist you. During this conversation you will be given an automated ..., Only blowing cold air 16 tucson. 16 Hyundai Tucson will not blow warm air. Air output is strong and ac works. No heat. I topped off coolant and checked fuses first. Dealer ship said it is the cabin temperature sensor switch? I don't have money to pay to have it fixed trying to see if I can mend it. 16 Hyundai Tucson will not blow warm air ..., Tucson / 2016 / Air conditioner blows Hot air; Air conditioner blows Hot air. 2016 Hyundai Tucson. Asked by Visitor in Wahiawa, HI on . July 15, 2021. ... 2016 Hyundai Tucson Estimates. Knock Sensor Replacement ($248 - $303) in Manassas, VA. Throttle Body Replacement ($529 - $749) in Floral Park, NY., Feeling Hot? If your A/C isn't working then you're hotter than most! Having a working air conditioner is a pretty essential part of driving your car. If your..., When the air conditioner in your 2019 Hyundai Tucson 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., 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., 2009 santa fe ltd dual temp control. drivers side blows hot air and passenger side only cold or cool air even with heat turned to ... 2008 Hyundai Azera The AC unit is not cooling the car to desired temperature. ... HYUNDAI: VENTS..COLD AIR..PASSENGER..BLOWER WAS COMING. I HAVE A 06 HYUNDAI TUCSON THAT HAS LOW HEAT COMING FRONT DRIVERS VENTS ..., HYUNDAI TUCSON AC COMPRESSOR NOT WORKING, AC BLOWS HOTIf you have Hyundai Tucson and the ac compressor is not working / ac compressor is not engaging and the... , 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 hit the unlock button about 15 times in a row before i can open the door. Mechanic's Assistant: Is it just the A/C, or are you also having issues ..., 2006 Hyundai Azera blowing warm air on drivers side and cold air on passenger side when trying to cool the car. Is - Answered by a verified Hyundai Mechanic ... I have got a problem with my Hyundai Tucson CDRI 2007 heating system ... I just took my car to a repair shop because the air conditioner was blowing hot air. Previously, …, 2008 Elantra Heater not working? AC blows cold air, but not hot air. Push A/C button is always on green. The (air speed) 01234 button is also always on green. the Push button turns on and off orange whenever I click it. Anyways, the AC doesn't blow any hot air... always just cold. I've adjusted the dial to red and have left it there for a long ..., Tucson / 2016 / Air conditioner blows Hot air; Air conditioner blows Hot air. 2016 Hyundai Tucson. Asked by Visitor in Wahiawa, HI on . July 15, 2021. ... 2016 Hyundai Tucson Estimates. Knock Sensor Replacement ($248 - $303) in Manassas, VA. Throttle Body Replacement ($529 - $749) in Floral Park, NY., The most common reasons a Hyundai Tucson AC isn’t working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning …, 2016 Hyundai Tucson AC / heater problems with 47 complaints from Tucson owners. The worst complaints are a/c intermittently blows warm air, a/c stopped working, and a/c not working properly., 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., Ask Someone Who Owns One. * All fields required. The 2016 Hyundai Tucson has 1 problems reported for hot air comes from upper vents when floor heater is on. Average failure mileage is 5,500 miles., The 2016 Hyundai Tucson has 30 problems reported for a/c intermittently blows warm air. Average repair cost is $580 at 11,050 miles. (Page 1 of 2), The AC is kicking on…. Working on a 2005 Hyundai Tucson V6. The AC is kicking on and off occasionally not working properly. We did a full system service and charged it to system specs. I Heard a clicking sound under the passenger side - and there is a relay that's getting excessively hot. What is this relay and could the relay be defective ..., Okay so I have a 2005 Hyundai Tucson GL and the wife was saying when she turns on the AC it will blow hot and the car will begin to get close to overheating. It might overheat but she shuts the AC off and temps begin to go back down. So today I took a look at it and when I started the car the AC was blowing nice and cold , pressure in the green ..., The ac starts blowing cold air, but turns to hot air, All of them, 2014 tucson, the high pressure shows 226 - Answered by a verified Hyundai Mechanic. ... I have a 2012 Hyundai Tucson that is blowing warm air with the ac on. Low pressure gauge shows 30 psi. Compressor does not engage., 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 air ..., I suspect the cold air coming out of the passenger side is plenty cold, which would not be possible with a freon leak. Before bringing it into the shop, check out the driver's side air mix motor. This has been an issue with previous model years - if the air mix motor is the issue, it can be fixed in 15 minutes for free., Drivers changed air temperature far more often than they change the mode (defrost, floor heat, dash vents, etc.), so the temperature actuators generally fail first. When that happens, the HVAC system can be stuck on blows cold air or blows hot air. In a dual zone system, you wind up with a blows cold one side, hot on other side condition., Set the climate control to the lowest temperature and the blower to the max. Open the hood of your Hyundai. Locate the low-pressure air conditioner service port and remove the cap. Locate the air conditioner charging port or service port. The A/C port is behind the engine near the firewall in the Elantra. If the connector from the A/C recharge ..., 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., AC evaporator coils freeze and stops air flow. I have had this issue for several years now and I have managed to work around the problem. The issue is when I run the AC system the initial air blows cold air and then over time the air flow decreases until no air blows out the vents. If I shut the compressor off the air blowing through the vents ..., 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., 211 posts · Joined 2009. #12 · Apr 30, 2010. i figured out a little trick, hit the auto a/c, then just hit your regular a/c and the inside air, when you change the climate, the fan speed still changes and all, but it always stays on inside air, and a/c is always on, and it stays like that when the car gets turned off and back on again. Like., My Elantra had dual temperature controls so the driver and passenger could select their own temperature. The car would blow A/C air even if the A/C button was off. I disabled this function to stop that cold air from blowing out of the vents. I live in Florida now so my A/C is always on in my Tucson. 194.