Car Ac Compressor Not Turning On

Nothing in the lines or in the openings of the compressor. Although the belt driven pulley is spinning you can see that the front of the compressor unit is not turning with the engine. It is essential to inspect your car's air conditioning system from time to time and ensure that it is working properly. Start the engine and let it warm up. The reason for not holding the can upside down is that vapor will rise to the top of the can. If not, then it's time to call in a pro. The engine turning the A/c compressor on should not cause rough idling or engine stumbling. This means the relay clicked, but did not work as intended. I'm not sure what the low threshold is for the pressure switch (to still allow A/C on), but I would assume much under 70psi. The orifice tube should be replaced whenever any debris is found in the system. Automotive Air Conditioning. I replace the fuse box under the dash, checked all the relays replace the heater control thing and AC button return the AC on rear defroster. You might not notice how crucial the air conditioning compressor is until it's gone. One of the leading causes of a car stalling with the A/C on is a seized compressor. Since the mid-1990s, most cars equipped with air conditioning have also been outfitted with electronic modules that tell your car's AC compressor to cycle on and off. 1st Gen Durango - AC Compressor not cycling off at all - Hi guys, I have replaced my entire AC system, with the exception of the relay, and the ambient temperature switch. We decided to trade our car in. Air Conditioning. Also check the electrical contacts, as a bug can get under/between and keep the contact from closing (happened to me when an asian (lady) beetle crawled in there. Pull the wire connection at the compressor and put a multimeter on it. also i unhook the ground when im not in the car or not using the ac. Adjusting the thermostat does not change the occurrence. By Carl O'Reilly. According to the instructions, it should be between 35-45psi so I got another can. One of the most obvious signs that the AC relay may have a problem is that the compressor is not coming on at all. Replacing your car's AC compressor is a little tough and requires specialized equipment. We are in the uk and its a uk car. Filed under Good Questions · Tagged with air, air conditioner, air mixture, amount, compressor, decreases, engine, power, rpm Comments One Response to “Why does my car stall when I turn on my air conditioner?”. Go ahead and clean your condenser coils, replace or wash your filters and make sure the supply vents are clear of blockages. The first thing you should do is turn on the car AC and see if the fan is blowing cold air. When the car AC clutch won't engage you turn on the air conditioning and patiently wait for cool air that never comes. Although it may be alarming the first time it happens at a stoplight or when you are idling at the store, it is very normal. You may need a serpentine belt tool to work the tensioner and relieve pressure on the belt so you can take it off. A/C compressor not turning. If I park anywhere in the sun, the AC does not provide cold air at all. When you turn your air conditioning on, the A/C compressor clutch is the first part to move. The most likely answer is that there is a leak in the system and the refrigerant has escaped the system although there are problems with that explanation. If they're not, I turn it off. Automotive air conditioning system uses an electromagnetic clutch mechanism that engages the compressor to turn the AC unit. Neglect and underuse can cause your AC compressor to go bad, so make sure to run your AC compressor at least once every month. If your air filter is clogged, sometimes your AC won't turn on. Buzzing Noise-A sign that the AC Compressor is beginning to go bad, a buzzing noise may be heard when turning the AC on. AC High and Low pressure sides reading same PSI. CarComplaints. This coolant is crucial for absorbing heat and cooling air, so when there is not enough of it, the compressor pressure levels become unstable, causing it to turn on and off repeatedly. It would go away) and also the ac is not working. Checked the main circuit breaker, checked the condensation reservoir pump. High pressure might be due to trash in the expansion valve (near top of firewall on pass. In the cold seasons not many people remember to turn on their Air Conditioner for about 10 minutes each month. It'll be worth it, though, when you have a cool ride again! How to Replace an AC Compressor | Advance Auto Parts. AC Clutch is not cycling. help me plss my AC car not enough blow cold but i put Freon and check if have leak but i cant see any leak, my friend say to me, maybe the problem is ac thermostat and i notice my A/C Compressor was stop a 1 to 2 sec and its run again. The front plate with the three bolts is the compressor clutch and it should not turn with the pulley when the A/C is off. The most common causes of broken air conditioning are leaks or compressor issues. Fortunately, your air conditioner not blowing is a common problem and a relatively easy fix without having to bring your car to the repair shop. This would not only cause a refrigerant leak, but the oil could cause the compressor clutch to slip. If I select AC on either of my vehicles, it will run no matter where the temp selector is set. To check it unplug the wiring harness from the fan (the fan on the passenger side of the car), install a new fuse and try the a/c to see if the compressor clutch is engaging and the air is cold from the vents. The dye check will not work if the system is too low and the compressor is not cycling. Sources: How to Fix Your Car’s Air Conditioner – wikiHow; How to Diagnose a Non Working Air Conditioning in a Car – wikiHow. The air conditioning system may require an extended period of operation to reach the desired output. Only the button above it does which I believe is a defrost function (hence heat to sides cold to middle vents--that makes sense). TOYOTA YARIS Air conditioning not getting cold Dear Everybody We have a 2004 toyota yaris 1. I don't know a whole ton, but I do have a bottle of recharge with a pressure gauge. At about 30 minutes into the driving trip, only warm air blows. It could be a serious problem in the summer. To utilize the AC on your car on demand, the clutch compressor is activated. At least when the furnace broke last winter, you got cold for free. I found also that pressing the recirc button, followed by the AC button (turn off AC) will make the compressor stay engaged also. One of the leading causes of a car stalling with the A/C on is a seized compressor. is c147094p09 - unit mfg in 2002. Automotive Air Conditioning. The other possibilities include faulty pressure switches, faulty compressor clutch, a fault in the climate control panel … etc. If the blower motor rattles when the car idles, then replace it. You might not notice how crucial the air conditioning compressor is until it's gone. As a function of vehicles that's used primarily during warmer months, the air conditioning compressor doesn't quite face the same amount of year-round wear and tear as the brakes and clutch, but it does have its share of vulnerabilities. We have already put the Cooling Fan/ AC control relay under the hood near the battery, the Fuse Box On top of the battery was burnt up and the Ambient Temp Sensor nead the wiper. To check it unplug the wiring harness from the fan (the fan on the passenger side of the car), install a new fuse and try the a/c to see if the compressor clutch is engaging and the air is cold from the vents. It worked for me and hope it can help someone else. Not sure what else. Whether it is the compressor, the coolant or the oil, you have to keep a watchful eye on all of them and try not to test too much on your own. Leave your car's hood open and turn on the engine. My A/C compressor is cyclying on and off with an evenly distributed 6-second period (3 seconds on, 3 seconds off, repeat; estimated not timed). Compressor clutch is new, takes 3 amps to run it (within specs) Alternator is new, puts out 55 amps clean voltage. So the wire has juice, but compressor or clutch dont turn on to cool the air. Turn on your AC even if it isn't working, and go to the front of your car to listen to the compressor. I am not able to hear the A/C Compressor engaging when the button is turned on. When an air conditioner stops working or doesn't work well, the compressor is often to blame. They say the compressor oil will eat the PVC, but I've never had an issue. You should hear the AC compressor working or attempting to work. In most cases, when the AC is turned on you will be able to hear the compressor switch on. If an AC compressor could not turn on, this process could not begin. Having your car's air conditioning go out suddenly can ruin your day fast. Air conditioning can be used in both domestic and commercial environments. Step 6: Find any refrigerant leaks. Here's how it starts: you notice it's too hot in your space and the AC is not achieving the set temperature. The air conditioning compressor keeps clicking on and off when running? 4 Answers. This can cause severe damage to your unit, so if you notice a refrigerant leak, this should be serviced right away. Does anyone have a block diagram or do you know if the freon is low if it will not allow the compressor to start. I haven't heard that squeal in a. It allows the pulley that's driving your compressor to be disconnected from your compressor, effectively turning your compressor off. :thumbsdow On a positive note the seals for the AC system will be less likely to dry up prematurely. Bearings holding the compressor pulley in place may fail and make a racket. 6 from my sister. Anyway, the ac has always worked great, but this year when it started warming, it was just blowing warm. If you're here, chances are you've tried to recharge your AC system and found a compressor clutch not engaging issue. This will prevent any damage to the compressor or AC system itself that, trust us, will cost a lot more to repair or replace than a simple AC Pressure Switch! Related Post: Best Air Compressor Hose. does the cooling fan come on? ( it must come on when the ac is on, there needs to be airflow for the condenser to convert the vapor refrigerant into a liquid again) Yes, it does Do the buttons/switches on the dash "feel" normal when you turn on the ac?. Its connected to the HVAC system and if its not on the AC goes into a sort of safe mode and doesnt get cold. My air conditioner compressor does not turn on. This vehicle has recently been at the ford place for this problem. SYMPTOM SUMMARY The air conditioning system is not cooling as expected. I am thinking of taking it to a ac shop to get it checked as I am lost when it comes to the ac system. In this forum you'll find S40/V40-specific owners asking and answering questions on maintenance, ownership, repairs, tutorials and almost every do-it-yourself thing you can do to save money owning these Volvos. The most common causes of broken air conditioning are leaks or compressor issues. Frustrated with ac! compressor hub turning slow SOLVED! Getting pretty frustrated! I have a 93, had it abt 2. The problem is: there is a switch that provides electric to the compressor and the fan, and it often turns itself off. When your system is regularly maintained by a trained AC professional, he will check the lubricant levels and the condition of the oil pump to prevent this problem. Clutch on compressor is not turning. I brought it to the dealer and they said the compressor is shouting off and needs to be replaced. 5 years, its been great. Engaging the AC compressor clutch at home is not rocket science. Car AC Clutch Wont Engage. One of the leading causes of a car stalling with the A/C on is a seized compressor. I tested the coil, it had continuity and was not shorted to ground, so that was OK. AC Pro Products. Dear all experience people, I have 2003 Lincoln Town Car, it's been good with me since I had it brand new but last month the AC had problem and I already try the best to fix it but the compressor is still not engaging, if I connect directly pin 1 and pin 5 of the relay then the compressor was engaging and AC cold but I can't stop the compressor until turn off the engine. This signals to the AC to shut off (because the thermostat now think your whole home is cold). You'll need to evacuate the system's refrigerant using a recovery machine. Wait for the AC clutch in front of the compressor body to engage and spin. The process of cooling cannot begin if the compressor won't turn on, so knowing how to troubleshoot common compressor issues is the key to keeping your air conditioner running. CarComplaints. Turn the AC on max, let the car for five minutes or so, go look at the compressor. and I can hear the Click Sound of AC Turning off and ON again. Air compressor will not engage and work. the problem at first was the compressor would run all the time now it does not come on at all. Pull the wire connection at the compressor and put a multimeter on it. Your A/C compressor may be dragging against the belt and requires more energy from the engine to keep the compressor turning, thus the power during acceleration is reduced. Troubleshooting AC Compressor Issues. After you reassemble the clutch you will know immediately if the compressor is frozenup when you turn on the a/c with the engine running as the belt is going to squeal or the clutch is going to slip. -Low gas pressure (as sensed at the low pressure switch in the LP line) will cause the AC to be disabled, and the fans won't turn. Hi, I have a 94 Sc400 and when you call for cold the air blows and indicates cool but the ac compressor does not turn on. Five reasons an aircon can automatically turn itself on and off. I didn't want to continue since I'm not sure what's going on with my compressor. Compressor not turning on. Senior Member. Service Champions is the Northern California air conditioning company for homeowners who want industry leading technicians and a 100% money-back guarantee. Air conditioning can be used in both domestic and commercial environments. Regarding the horizontal bank of switches. Carquest is dedicated to providing customers with the most comprehensive, OE-based air conditioning compressor program in the industry. You might try turning it more and see if it loosens up. Re: Air conditioner compressor not coming on? That is a good possibility (too cold to run). I've heard that not turning the A/C off before turning off the ignition is bad on the compressor. The AC stopped working on my mother-in-law's 2002 Town and Country 3. Troubleshooting AC Compressor Issues. You are completely blameless. AC High and Low pressure sides reading same PSI. So it's it blows cold war × We use cookies to help our site to work, to help us understand how it is used, and to tailor advertising on this and other sites. When I turn it on at first all seems fine then after a few minutes the cold air stops and what comes out is non-AC (warmer) air. The magnetic coil does not turn since its magnetism is transmitted through the pulley to the armature. Automotive air conditioning system uses an electromagnetic clutch mechanism that engages the compressor to turn the AC unit. If the AC compressor does not come on, check the pressure on the gauges. - The A/C light comes on in the van. Problem persists even if I disconnect the AC and jump the compressor right to battery. If your usual mechanic doesn't work on air conditioner equipment (some don't, it requires equipment that can capture refrigerant and such), ask him if he knows someone who does. But it probably makes more sense to replace the entire compressor. The A/C compressor is considered the heart of your vehicle’s air conditioning, since it pumps compressed refrigerant throughout the system. 3 vvti with the air con. To utilize the AC on your car on demand, the clutch compressor is activated. I tried using one of those ac recharge cans but the system would not take the freon, I am assuming because the compressor was not running. Car makers use an electro-magnetic clutch to. I've read a number of the posts where people can't get their A/C compressor to turn ON (often related to the KLIMA), but I haven't found any posts where it won't turn OFF. com : Car complaints, car problems and defect. But, watch for the belt slipping on the pulley as the cause of the compressor not turning. The first thing you should check when your car air conditioner is not blowing cold air is the condenser fan. Here are four of the most common:. We are in the uk and its a uk car. New 2020 Hyundai Santa Fe from Sport Hyundai in Egg Harbor Township, NJ, 08234. If the fan is damaged and not operating at its full force, it will not cool down the heat coming from the refrigerant. The most likely answer is that there is a leak in the system and the refrigerant has escaped the system although there are problems with that explanation. An air conditioning compressor is designed to move “gas” and not liquids or solids. indicating its on, but the compressor doesn't kick on until the PTS button is tapped twice. Your compressor isnt shot, it has a pressure switch on it that automatically turns the compresor off if there isnt sufficient freon in the system. You are completely blameless. By Carl O'Reilly. Sounded like a belt. I figure full battery volts are normal for that clutch, and there is a snafu in the dash controller or something between here and there. The magnetic coil does not turn since its magnetism is transmitted through the pulley to the armature. Does your air conditioner turn on and off repeatedly? This can be a very frustrating experience for any home or business owner trying to battle the stifling Singapore weather, which can be unbearable at times. My problem is, when driving in the tollways with no traffic and with speed reaching 80 kms per hour, there is no cold air coming out of the AC. It would be lucky if the AC could blow cool air and the compressor could engage. A clogged expansion tube or refrigerant charging hose. The armature plate and hub assembly are fastened to the compressor drive shaft. Figure out what’s wrong with your car’s A/C and fix the problem yourself, all for less than the diagnosis alone would cost at most auto repair shops. com : Car complaints, car problems and defect. As a function of vehicles that’s used primarily during warmer months, the air conditioning compressor doesn’t quite face the same amount of year-round wear and tear as the brakes and clutch, but it does have its share of vulnerabilities. It rotates with some resistance, but no different than my other car. There is a pressure switch which detects that there is enough gas and if not the ac clutch won't engage. We know how an ICE works from coolant and a/c compressor, but could not explain to her how that works on an all electric car. How to Test Your Air Conditioner Capacitor. Air conditioning (often referred to as AC, A/C, or air con) is the process of removing heat and moisture from the interior of an occupied space to improve the comfort of occupants. Even on older Explorers or Rangers that had the button to activate the A/C would automatically turn on the compressor in the defrost mode if the outside temperature was above a certain level. The Easy Way to Use a Recharge Kit for Car AC; Want to Discharge Car AC at Home? Look into This! How To Manually Engage AC Compressor Clutch. In case the compressor will not be turning, ensure the magnetic clutch engages when energized. The magnetic clutch does fail when it gets hot. That's why the magnetic clutch is there. If your AC won't turn off, you might not notice the irony of the situation right away. Stand in front of the AC compressor at the front of the engine. What could be wrong with my air conditioning compressor?. Whether it's a full-size unit or a window AC compressor not turning on, Repair Clinic can help you reach your optimal air temperature for comfortable habitation. does the cooling fan come on? ( it must come on when the ac is on, there needs to be airflow for the condenser to convert the vapor refrigerant into a liquid again) Yes, it does Do the buttons/switches on the dash "feel" normal when you turn on the ac?. Fans all seem to work, but when I turn on the AC does not turn on the compressor. It requires a LOT of generating power. How AC works. Bearings holding the compressor pulley in place may fail and make a racket. Idle will increase, acceleration will decrease slightly, and you'll lose some fuel milage. At about 30 minutes into the driving trip, only warm air blows. Oldsmobile Cutlass Air Conditioner Compressor is Not Coming On. So next time that your air conditioner compressor rapidly turns on and off in your car, it may not be due to low freon levels – but because it is over-charged! Those cheap low-pressure testers that come with the charge kits only tell you part of the story. Even if the system is not charged, the compressor does not turn easily but it is possible to turn. My Car A/C Compressor Will Not Come On. The air conditioning system may require an extended period of operation to reach the desired output. com : Car complaints, car problems and defect. You may need a serpentine belt tool to work the tensioner and relieve pressure on the belt so you can take it off. It is not uncommon to save money with a remanufactured or used car part for important vehicle repairs such as a compressor replacement. com A Dodge Owners Community Website. Locate the AC compressor and remove the serpentine belt from the compressor's pulley. -A dead fuse won't allow the AC to operate, and the fans won't turn. Turn ON the A/C and see. A common cause of the ac clutch not turning on is lack of refrigerant gas in the system. You may also hear noise when you run the AC or notice that your Lincoln Town Car AC compressor is not turning on. Clutch on compressor is not turning. 5 from the 14 volts otherwise. Also note the AC will not cool properly when it's overcharged. Depending on the ambient temperature (air temperature of outside atmosphere),. If not, either the compressor is broken and would need to be replaced, or there are faulty wirings preventing the compressor from powering up. Turn ON the A/C and see. Dear all experience people, I have 2003 Lincoln Town Car, it's been good with me since I had it brand new but last month the AC had problem and I already try the best to fix it but the compressor is still not engaging, if I connect directly pin 1 and pin 5 of the relay then the compressor was engaging and AC cold but I can't stop the compressor until turn off the engine. Will low refrigerant level cause the AC compressor clutch to not engage 15 Answers. If strange noises are coming from the AC, there could be an issue with the compressor and it may need to be fixed or replaced. Have an assistant turn on the AC controls to maximum. If only the pulley is turning,. Does anyone have a block diagram or do you know if the freon is low if it will not allow the compressor to start. You should hear the AC compressor working or attempting to work. There is also a high pressure service port. I will be driving, coming to a stop and the whole car will turn off on me. Voltage drops to 12. I have checked everything from the relays to the compressor all seems to work. Turn off both heater and AC and with the car running on tickover for say ten minutes, the bonnet closed and the blower operating, check that the air from the vents is only at ambient temperature and is not heated. To fix your car's air conditioner, start by turning your car on and checking to see if the air conditioner is producing cold air. If it does not, shut the engine off and disconnect the negative battery cable with a socket. The 2011 Chevrolet Equinox has 12 problems reported for ac stopped working. After all, it’s the drive belt of the engine that sets the whole A/C process into motion. Im having same problem with my aircon, my red light is constantly on and i can hear the AC on when i stop with the engine on. Step 2: Verify that air is blowing. 00 /hour to even touch itplease help me. Here's how it starts: you notice it's too hot in your space and the AC is not achieving the set temperature. Filed under Good Questions · Tagged with air, air conditioner, air mixture, amount, compressor, decreases, engine, power, rpm Comments One Response to “Why does my car stall when I turn on my air conditioner?”. To utilize the AC on your car on demand, the clutch compressor is activated. Since the mid-1990s, most cars equipped with air conditioning have also been outfitted with electronic modules that tell your car's AC compressor to cycle on and off. The AC button has a light on the button that illuminates when the air conditioner is turned on. If the temperature outside the room where the air conditioner is placed becomes cool, approximately 60 degrees Fahrenheit or lower, check the coils on the front of the air conditioner to be sure they are not icing up. Research the 2020 Ford Escape SE in Jane, MO at Wood Motor Ford. An A/C compressor bypass pulley is a quick fix to quiet a car or truck’s noisy A/C compressor. Could it be the contactor? What else? It is an American Standard Allegieance 10, model number 7a0048b100a1 ? I think the part no. The 2006 Dodge Ram 2500 has 8 problems reported for air compressor doesn't turn on. -Fourth time everything is hooked up with the new compressor and the system holds vacuum (yay!) but when we go to turn on the compressor, the compressor basically self destructs and sounds like the death of a transformer, lol. When the compressor is not working, air conditioning of any kind comes to a stop. Average repair cost is $980 at 89,100 miles. Yeah, expensive. Depending on the ambient temperature (air temperature of outside atmosphere),. On our way to the house this evening, I turned on the ac and I noticed that the hissing noise never went away like it had done in the past ( in the past it would only hoss maybe 5 seconds the. So, as you can see, air conditioning does not actually cool the interior of the vehicle. As I posted on the v50 forum our car does need the ac compressor replaced. Air conditioner compressor kicks on and off So after a long winter I tried to use my AC and the fan worked but the air wasn't cooling. The low-side should be near 30 PSI at 90 degrees Fahrenheit or less. The actual AC is now turning on and off on its own sometimes when I am driving as well which does seem like it might mean a short. But hopefully, this article on troubleshooting when your AC won't turn on was helpful at getting you to where you need to be. In most cases, when the AC is turned on you will be able to hear the compressor switch on. For some reason the AC is now no longer working. This incident with my Chevrolet Cruze has happened on more than one occasion in the same month. Air compressor will not engage and work. I would have your mechanic completely check your components under the hood — generator, alternator, batteries, electrical system, wiring, fuses, etc. The air conditioning shuts off, radio, the whole car powers down. VIN: 1FMCU9GX5EUC00537. Also if you short out the compressor it will engage and cools good. The compressor isn't always on, and needs to turn on and off in order to keep your car's cabin at the temperature you set it to. If it does not turn on, it is an indication that either the switch itself is malfunctioning or the AC circuit is not getting power. My air conditioner compressor does not turn on. If the refrigerant cannot circulate through the air conditioning system because of a bad compressor, then it is not going to create the cool air that you want. AC Clutch is not cycling. my compressor will not activate from the inside controls. If low on refrigerant, will this cause the compressor to not come on? Compressor does not come on, was wondering if this could be caused by low pressure in the system or possibly an electrical problem, Tested the compressor. Checked the main circuit breaker, checked the condensation reservoir pump. If the fan is damaged and not operating at its full force, it will not cool down the heat coming from the refrigerant. does the cooling fan come on? ( it must come on when the ac is on, there needs to be airflow for the condenser to convert the vapor refrigerant into a liquid again) Yes, it does Do the buttons/switches on the dash "feel" normal when you turn on the ac?. A/C Is Not Working. The restoration to normal temperature is pretty quick to once you turn off the AC. It was not turning when the AC was turned on. First few days no problems. Either way, when you find your air conditioner not blowing air or not turning on, it can be extremely frustrating. This would not only cause a refrigerant leak, but the oil could cause the compressor clutch to slip. It also no longer stays on every time we turn it off, it not only does it about half the time. It worked for about a week now will not come on, put another compressor and a new clutch relay in. If your vehicle is running correctly after your AC failed then it is an indication that your AC compressor has mechanically failed and was putting excessive load on your engine causing it to run poorly like you mentioned. Air conditioning not working. If the clutch does turn, do not leave the wire on for more then a second or two, If the compressor is block on the high pressure side it will blow your seals. Automotive Air Conditioning. Aside from the extra $400+ for a new compressor, drier/filter & required recharge, there is considerable risk that the recharge may not be done correctly - infant mortality of replacement AC compressors is very high due to improper charging procedures (incorrect amount of oil, wrong oil type, failure to completely recover all old oil. High pressure might be due to trash in the expansion valve (near top of firewall on pass. For more depth, let's go over the whole system again to give you a clearer picture of what an AC compressor does. If I park anywhere in the sun, the AC does not provide cold air at all. Money well spent. It would go away) and also the ac is not working. Oldsmobile Cutlass Air Conditioner Compressor is Not Coming On. The model is seating 8 people. The center part on the pulley of the A/C compressor will not spin when you have the air conditioner off or if there is a problem. Problem persists even if I disconnect the AC and jump the compressor right to battery. Air conditioning not working. 2015 Nissan Altima I have to constantly turn on and off ac to see if it'll blow cold air. A/C Compressor Clutch do not engage, Cooling Fan do not turn on, Condenser Fan do not turn on, Ceiling light do not turn on when I open a door, emergency brake dashboard indicator always on. We have already put the Cooling Fan/ AC control relay under the hood near the battery, the Fuse Box On top of the battery was burnt up and the Ambient Temp Sensor nead the wiper Cowl. Nothing in the lines or in the openings of the compressor. Either it will be completely warm air or the level of coldness won't be what it once was. Are you having air conditioning problems in your home and suspect it may be an air conditioner capacitor problem? Below I have laid out a step-by-step guide on how to test your AC capacitor to see if it is good or if you have a capacitor problem. The AC recharge kit that you have will not work, it actually doesn't even fit on the high. If your air conditioning isn't working properly, you may need to replace the A/C compressor clutch to fix the problem. Im having same problem with my aircon, my red light is constantly on and i can hear the AC on when i stop with the engine on. The problem is: there is a switch that provides electric to the compressor and the fan, and it often turns itself off. That all said, if you find that you have power and ground to your compressor clutch and it still does not turn on, then you have a bad clutch. NOTE: Please ensure the current of your automobile cigarette lighter is from 10 to 15 amps to avoid automobile fuses from blowing; DOES NOT SUPPORT LT, HT and Truck Tires; DOES NOT SUPPORT Presta valve; It only can be used on DC 12V power source, but not compatible with AC 110V, AC 220V, DC 24V and DC 36V. Buzzing Noise-A sign that the AC Compressor is beginning to go bad, a buzzing noise may be heard when turning the AC on. As most of you know, this is the coldest it has been for a sustained period of several days for something like 100 years. This is hugely important while airbrushing as it will not only keep your output consistent, but it will extend the life of your machine. If your air conditioning isn't working properly, you may need to replace the A/C compressor clutch to fix the problem. Dear all experience people, I have 2003 Lincoln Town Car, it's been good with me since I had it brand new but last month the AC had problem and I already try the best to fix it but the compressor is still not engaging, if I connect directly pin 1 and pin 5 of the relay then the compressor was engaging and AC cold but I can't stop the compressor until turn off the engine. First few days no problems. If not go for a new cycle switch. A/C compressor not turning. If strange noises are coming from the AC, there could be an issue with the compressor and it may need to be fixed or replaced. While Black Death is not the same as the deadly plague during the 14th century, a car A/C system experiencing Black Death will be infected like the plague. When it's not driving the compressor, the clutch pulley turns on a double row of ball bearings. Related Article: What Should You Do When Your Car AC Compressor Not Turning On?. A/C Compressor Not Turning On? Help The o-rings are used to seal the connection between lines and components in the ac system. Before going to the repair shop, though, you can check to see if the following reasons are causing that unnerving scent. Even tape is good enough, a there should have been slight residual oil layer on the metal surfaces. The A/C compressor is considered the heart of your vehicle’s air conditioning, since it pumps compressed refrigerant throughout the system. CarComplaints. when you say "have a freon charge hooked up", do you mean actively charging the system again before turning on the AC? As I understand it, the system was charged, then stopped when the compressor would not start. Turn ON the A/C and see.