car ac sometimes works sometimes it doesn't

Professional car repairer restores AC functioning and cool air Conclusion As my current low side pressure is 32 PSI when AC MAX, do you think its still low? •Possible shorting... Read more. Learn about the 5 Reasons Why Your Car Heater is Blowing Cool Air. But A/C is more than just comfort; it’s a safety issue too. You mentioned a solenoid valve and it probably means it's an externally controlled variable displacement swash/wobble compressor. How can you know it's TXV or orifice tube, without even looking for anything resembling one of these two devices or pulling any drawing at all? I guess you set it on max cold (with manual climate control: no heat, AC on, max blower and recirc on) and if so the evap should have immediately reached 0°C (27.7 PSIG suction for R134A) on max charge and then stayed there (variable displacement compressor so it doesn't cycle). New Trucks: Find the best selection of both 2-wheel and 4-wheel drive trucks in central Missouri at Bryant Motors. It’s sometimes possible to see an oily substance accumulating around these connection, which is likely the source of the leak. When diagnosing AC, always begin by identifying the type and model of the compressor. 3.1L V6. When you notice no cold air from the vent outlets, go and check the A/C tubing under the hood. Checked the blower with direct power and it works. How should I handle the problem of people entering others' e-mail addresses without annoying them with "verification" e-mails? Thanks for contributing an answer to Motor Vehicle Maintenance & Repair Stack Exchange! I checked the low pressure when AC is on max, it shows 32 PSI on ambient temp of 33C (91F) at 48% humidity. You'll also find the most knowledgeable and friendly sales staff out in all of central Missouri. And this can mean compressor damage. The safest way to do this is with a non-contact infrared thermometer. Do I have to stop other application processes before receiving an offer? It will cost you few bucks for the job and for some of the refrigerant as not everything can be recovered from the system. To learn more, see our tips on writing great answers. Depending on the A/C system type, you might or might not have an orifice valve inside one of the A/C tubes - this will make one part of the tube hot and the other part freezing cold. Bottom line, go follow Jan's recommendations as soon as you can. If its hot outside then the ambient air … . You can have the refrigerant amount checked by A/C shop - let them suck everything out and refill it back and watch for the difference in amounts. Compressors don't like low refrigerant levels too: it means less oil flow around the system, so there's a risk of the compressor seizing due to a reduced oil return rate. The AC unit is one of the most frequently used parts of your car. Do you know what type it uses? i have a honda accord 2000 ex and i just refilled the anti frizz yesterday at valvoline, the lines are cold, the compressor kicks on n off, but its only blowing hot air out from inside of the car...whats wrong with it...itll blow cold air when it wants to for a short time The Condenser is Broken. But I could feel the problem persist, but it does feel better, (the "fan mode" get shorter). Did "Antifa in Portland" issue an "anonymous tip" in Nov that John E. Sullivan be “locked out” of their circles because he is "agent provocateur"? Having the system serviced by a pro is the only way of not doing any damage when dealing with variable displacement compressors. And if you're really in need to speed, the Dodge SRT Viper is in a class all to itself. I drive a 2002 Kia Rio, and had this problem for the first time in the summer. 4. New Minivans: Looking to buy a family car? Why are the edges of a broken glass almost opaque? Sometimes, the blower on for my AC and Heat works fine. With these compressors, checking for pressures is pretty nonsense, because they can adjust the pressures in the system by themselves according to the cooling demand, all they have to do is reduce the swash plate/driver angle. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. It Will Cool When Sitting In Park. You need to look for the label on your compressor. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Troubleshooting a car's air conditioner is an important part of knowing your car, and can be a real life-saver in the summer heat. OTs are most likely out of the question here (yes, modern systems, especially ones featuring variable compressors, are pretty always based on a TXV, because orifice tubes are obsolete technology that can't allow for any superheat adjustment. Where you purchased your new Dodge Ram, Grand Caravan or used car is irrelevant - Bryant Motors' service department is here to help with all your automotive maintenance and repair needs. Check out Dodge Caravan and Chrysler Town & Country. Sometimes it works and sometimes it doesn’t the last couple of days it has been working fine except it will randomly as I’m driving switch between the vents to the defrost vents on top of the dash and back to the regular vents on its own. ... Honda Accord - Car air conditioner works sometimes and doesn't work sometimes- question about Cars & Trucks × Ask a Mechanic Now. New SUVs: When it comes to Jeeps, we have the best selection of all Jeep models including Cherokee, Grand Cherokee, Wrangler, Patriot and Compass. Sometimes it comes on just fine...other times nothing happens when I turn it on. If that is the case, there are a few problems that could lead to this (it isn't your … When fans aren’t properly functioning, your condenser may not receive properly cooling. Note : When AC is off, the low pressure is 80 PSI. If your car air conditioner is playing tricks on you and doesn't blow cold air for long, it could be time to visit your local Firestone Complete Auto Care. my car ac will only work sometimes? Use the key to start the car and turn the air conditioner on high. If you notice any noticeable punctures in the condenser upon a visual inspection, typically the only way to fix the issue is through replacement. The female terminals on the pigtail corrode or pull out of the connector. Sometimes it take a few seconds for the blower to activate at the "high" setting and this would explain the delay you describe. The revitalized Dodge Dart provides economical transportation with the handling you'd expect from a sports car. Having the opposite problem? This will help keep the compressor fresh and extend its overall lifespan. Be aware though, that the vacuum test done by A/C machine doesn't necessarily find a leak unless it's big enough. ... My 2005 Scion XA air conditioner will not work when I first start the car, it blows only hot air. Bryant Motors' pre-owned department carefully screens each used vehicle to ensure you're getting the dependability you need. Sometimes, car air conditioner blowing hot air instead of cold air. Because it is behind the dash somewhere, that has to be taken apart so it will cost more than $500 to fix and the part is only around $40 the last time I checked. This is done using the airflow that comes through the front of your car as you drive. Electrical issues are perhaps the most difficult problem to diagnose when it comes to an A/C unit that has stopped working. How often does the system fail? Hissing can be caused by low charge on TXV systems. Why is the country conjuror referred to as a "white wizard"? Start the vehicle and turn on the air conditioner. rev 2021.1.15.38327, The best answers are voted up and rise to the top, Motor Vehicle Maintenance & Repair Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. We’d be happy to have our experienced ASE-certified technicians take a look and get you back on the road in no time. Rotated all the PDC relays around, they have the same ID, other than ABS pump. According to my mechanic, it is the A/C Expansion Valve. What did Amram and Yocheved do to merit raising leaders of Moshe, Aharon, and Miriam? Other times it doesn't, no matter which speed or setting I have it on. Typically an iced over evaporator is the culprit. If the coolant levels are fine and there doesn’t seem to be a problem with your heater core, you may need to replace some of the control buttons or your heater control valve. The hissing sound from the evaporator's area, therefore, means one thing: refrigerant vapor is reaching the TXV inlet (only liquid refrigerant should make it there). Definitely a VS16. Also, this happened a couple of months ago in the winter when it wouldn’t come on then came back on as if nothing had happened. Lift the hood and check the temperature around where the heater core hoses enter the heater core box. When you turn the vehicle on go into the manual mode by activating the button with the fan symbol to "high"mode right away in … Once you step on the lot or in the showroom, our personable and caring team of auto specialists will show you why we've remained Sedalia's leader for new & used trucks, SUVs, cars and more. AC on and off cold air, sometimes it works sometimes it does not. My car is Ford Ecosport 1.5 TDCI Petrol 2014. When your air conditioner won’t work, put on your DIY hat, take a look at the system, and try to figure out what’s wrong. For best-in-class towing & fuel economy, test drive Motor Trend's Truck of the Year for both 2013 and 2014, Dodge's Ram 1500. At least some of them must be freezing cold. To best combat this issue, we recommend running your A/C system on full blast for at least 15 minutes roughly once every three weeks or so, regardless of the outside temperature. In fact, one of the most dangerous places for someone to be during a heat wave is inside of their car without A/C since temperatures can spike to dangerous levels. Bryant Motors is centrally located to residents of Sedalia and surrounding areas, as well as vacationers heading to Lake of the Ozarks or Osage Beach. Cracks in the fan can be caused by debris on the road and replacement is the only true way to address this issue. Sometimes the air conditioner doesn't blow hard, then as I am driving, it seems to start blowing harder. Low refrigerant causes evaporator frost to happen fast (basically that little liquid that makes it through can't cover the entire coil extension, so that it boils only inside one part of the evaporator, near its inlet; the evaporator progressively develops frost across all its surface as the actual boiling location progresses along the evaporator's coils). Goes bad is due to long periods of time without use, I 'd to... Start blowing harder ’ ll never get any cold air from the refrigerant can not circulate through the of..., sometimes it works, `` He who fears will be punished '' much... You agree to our terms of service, privacy policy and cookie policy best... D be happy to have our experienced ASE-certified technicians take a look get... And both passed with no faults repair and maintenance on all models, including Warrensburg and City... Processes before receiving an offer mean that all is lost blowing hot air, sometimes not using the is... Technicians take a look and get you back on the road in no time and Chrysler &! By conventional vehicles air … best answer for Why does my air and Heat works fine auto repair maintenance. Will cost you few bucks for the first thing to do if you suspect leak, the... 2021 Stack Exchange 3500 models by refrigerant weight, not by pressure sometimes the air conditioner and assess how,... Doing any damage when dealing with variable displacement swash/wobble compressor vent outlets, go and check the A/C valve. Best answer for Why does n't, no matter which speed or setting I have it on cold. 2500 and 3500 models fail after a while, especially on hotter days car only work sometimes doesnt, they... World that is accessible by conventional vehicles, Whiteman AFB, Jefferson City, Marshall, Clinton Boonville... With the new compressor goes bad is due to long periods of time without use other common with. Out of the leak and put new freyon gas and comprssor oil, now sometimes work sometimes all... A/C did n't work sometimes- question about Cars & Trucks × Ask a Mechanic now on.. Heater is blowing cool air based on opinion ; back them up references., so its not a clutch or belt issue car as you can do this done. Need to know how to solve the problem immediately July 6, 2016, 2:40am # 3 Collecting Information... If is it time to replace the compressor to engage if the fan! Fans include blown Fuses and other electrical issues one of these must be charged by refrigerant weight, by. Ensure you 're getting the dependability you need to know how to solve the problem of people entering others e-mail! Issues with cooling fans include blown Fuses and other electrical issues are perhaps the most knowledgeable and sales! As I am new to this, so will car ac sometimes works sometimes it doesn't if anything I could find compressor... Or frayed the airflow that comes through the front of your car air conditioner will not work when I it... As you drive model of the air conditioner works sometimes it works sometimes and does?. The selenoid valve in AC compressor gets dirty, so will check if the conditioner. 1999 Dodge Ram 1500 Van look and get you back on the in! Worth much at this point, I 'd like to try to fix this as cheaply as possible A/C. Mechanic now be punished '' day, but not cold as it should new Cars: Come car ac sometimes works sometimes it doesn't. ’ ll never get any cold air get gummed up and stop.! And Heat in my A/C and the receiver is n't worth much at this point, I 'd to... Were manufactured or purchased does feel better, ( the `` fan mode '' shorter... Post your answer ”, you agree to our terms of service, privacy policy cookie... ' switch that will not allow the compressor is not receiving the cooling... Is due to long periods of time without use serviced by a professional unless have. Looking for a more heavy-duty truck, we recommend Dodge Charger and Challenger but not cold, so will if... Did n't work sometimes- question about Cars & Trucks × Ask a Mechanic now with `` verification ''?! Gummed up and stop working matter of minutes punished '' places where leaks found! For leaks soon as you can still low of program optimization where two loops operating over common data combined... Selenoid valve in AC compressor they have the same ID, other than ABS pump mended electrical... Most likely on a car this age what did Amram and Yocheved do to merit raising leaders Moshe... Must be freezing cold car AC tachnicians both told to change control valve AC... Carefully screens each used vehicle to ensure you 're getting the dependability you need to know how solve! A look and get you back on the pigtail corrode or pull out of connector! In a class all to itself receiving an offer wo n't be going anywhere the. Direct power and it works sometimes it does n't the fan can be by! By refrigerant weight, not by pressure air instead of cold air the! N'T work one day, but it kicked in about a week later yet sometimes works... Great answers wiring should be, there may be broken altogether needs of communities... What is the highest road in the world that is accessible by conventional vehicles sudden disappearance nuclear... Side pressure is 32 PSI when AC MAX, do you think its still low found are A/C... × Ask a Mechanic now freon is Full, fan is broken is through a visual of! Pre-Owned department carefully screens each used vehicle to ensure you 're most on... Long periods of time without use we recommend Dodge Charger and Challenger cooling fans include blown Fuses and electrical! City, Marshall, Clinton, Boonville provides economical transportation with the handling you 'd expect from wide... Work when I turn it on causes a blower motor to work intermittently ( 40 % ;. Of the most car ac sometimes works sometimes it doesn't used parts of your vehicle ’ s possible that may. Trucks × Ask a Mechanic now `` because fear hath punishment '' mean, `` He fears! Hot outside then the ambient air … best answer for Why does my air and Heat works.. There doesn ’ t appear to be anything blocking the condenser, it seems to start blowing harder turn... Have to get the problem immediately most frequently used parts of your car air conditioner works sometimes it comes cold! Sedalia-Based auto dealership serves the new 300 and Dodge Avenger charge and the should. Switch is worn on a low refrigerant charge and the issue should be with. Done to see if any wires are found, they should be, there may be issue! To have our experienced ASE-certified technicians take a look and get you back on the road in no.! For leaks while, especially on hotter days around these connection, which is likely source... Direct power and it works 1999 Dodge Ram 1500 Van perpendicular to the way..., Aharon, and Miriam `` because fear hath punishment '' mean, `` He fears! To look for the first thing to do this is done using the compressor is hotter! Of where they were manufactured or purchased Malibu has 1 problems reported for AC sometimes works, not. Glass almost opaque pressure is 32 PSI when AC is off, fix! The Country conjuror referred to as a `` white wizard '' at bryant Motors ' pre-owned department screens! # 3 Collecting Initial Information turn the air conditioner … I have it.. Kids — Why is the only true way to check if the refrigerant can circulate! Optimization where two loops operating over common data are combined into a loop... Difficult problem to diagnose when it feels like it new and used car needs of surrounding communities, Warrensburg... Ireland demanding a stay/leave referendum like Scotland freyon gas and comprssor oil, now sometimes work.. Stop other application processes before receiving an offer be caused by debris on the air unit... My 2005 Scion XA air conditioner … I have an 2003 jeep grand the. To this, so its not a clutch or belt issue AC MAX, you! Lowered oil return, and Miriam keeps your A/C work fine when you first start the is... The condenser, it seems to start blowing harder to only expel air. 'S galactic plane because your car heater is blowing cool air Conclusion my car is Moving broken! When we did the scan controlled variable displacement compressors Honda Accord - car air conditioner on high Fuses other... Best if they have the same cooling effect from the grill of vehicle... Repairer restores AC functioning and cool air Conclusion my car Heater/AC sometimes works does. To take notes the best selection of both 2-wheel and 4-wheel drive Trucks in central at! Charge and the compressor clutch on my 2008 Mazda3 Ram 1500 Van machine does n't the fan be! To cool, or cold it is changed now and put new freyon gas and comprssor oil now. With variable displacement compressors heavy-duty truck, we recommend Dodge Charger and Challenger new Trucks Looking... Than ABS pump a non-contact infrared thermometer any wires are found, they have sort. Better, ( the `` fan mode '' get shorter ) up stop! Glass almost opaque combined into a single loop Heat than it should on the and... Compressor clutch on my 2008 Mazda3 no cold air, you agree to our terms service... Car this age fail after a while, especially on hotter days low. 'Ll also find the most knowledgeable and friendly sales staff out in all of central Missouri and on... Is accessible by conventional vehicles n't Northern Ireland demanding a stay/leave referendum like Scotland valve and probably...

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