To check the fuse, you must first locate the appropriate one for the system. Heres how to about diagnosing why your AC is not turning on in your Ford Escape: As stated above, your Escapes AC compressor may be turned by the serpentine belt that turns all of the engine accessories. AutosHub.net participates in the Amazon Affiliate Program, which means the site contains affiliate links within its content that redirect to Amazons website. If there are two belts, theyll both be attached at the crank pulley. #2. If the pulley and the clutch are both spinning it shows that the clutch is engaged with the pulley correctly. You dont want to turn the pulley where it is attached to the belt. 8 Reasons Your A/C Is Not Blowing Cold Air, Causes of an A/C Compressor Clutch That Wont Engage, How to Manually Engage an A/C Compressor Clutch, Replacing the A/C Compressor Clutch vs A/C Compressor, Common Brake Problems in Cold Weather CarTreatments.com, Lug Nut Sizes (w/ Chart For All Car Manufacturers through 2021), Why is My Steering Wheel Off-Center? A/C only blows cold air below 78 degrees or so. If it engages, the clutch gap is too wide. Youll need a jump wire. Thank you so much for the feedback thus far. When the engine is on and the AC is on high, low pressure readings should be around 30 psi and the high pressure side should be about 250 psi depending on your car. A vehicles air conditioner compressor clutch serves as the make/break point for power distribution to an A/C compressors internal drive components. . Aside from this connection, you would need to visually inspect the rest of the wires running through the system. Spending $50-$100 for the truth is always better than the $400+ that may not be the cause. However, it normally makes more sense to put in a new AC compressor. Options. When i turn on the A/cthe compressor beginvery well for 20 seconds but after that time the compressor stop working and then after a few second latter start again. -or-. Most vehicles rely upon the use of a relay to control A/C clutch operation. Started Tuesday at 12:48 PM, Ford Owners Club You should first check the electric system, clutch, and other parts for issues and leaks before going ahead with this fix. Pulley: If the compressor pulley bearings are failing, they can make noises, generally a grinding, roaring or squealing noise. That happened last Fall, so we waited until this spring to try again. Spend a few dollars on a good diagnosing - watch them do the work even if you don't understand what hey're doing - and see what they say. This problem occurs most often on older models or ones that have used the AC system excessively. The compressor compresses refrigerant vapor and by doing so it converts it to liquid refrigerant under pressure. Turn the AC to high while looking at the serpentine belt for any issues. Here's my recommendation: Do the assembly work, if you bought the vacuum pump, use it in helping you determine if it's a tight system. Add oil if the level is below the normal point. The best solution here is to replace the entire unit if you notice that the compressor is bad. And this relay will not energise if the pressure switch signals are wrong. The correct reading will display once the clutch engages and the gauge stops cycling. We recently bought a 2012 Escape as well and have run into what sounds like the same problem. When the engine is on. From Heat To Cool. Dec 25, 2006. Here is a more detailed list of the most common reasons why your AC clutch is not engaging: The air conditioning system needs the right amount of refrigerant to run properly. hiace_drifter A vehicles A/C system stops the summer swelter in its tracks, replacing it instead with a comforting chill. The clutch is not getting a signal to turn on. might look to manually run the AC pump directly at the clutch end. If thats the case, jump to this article: Ford Escape AC Not Blowing Cold. After inspecting the belt, there can only be two things left that could be happening: 1. There are several instances when manually engaging an A/C compressors clutch can prove valuable. In the on or engaged position, an A/C compressors clutch transmits 100 percent of the rotation force applied by an engines serpentine belt, directly to the compressors driveshaft. He has been working as a car mechanic for over 10 years, and the majority of them specialized in advanced car diagnostics and troubleshooting. You should check the following areas before making any new fixes. Check Low and High AC Pressure Switches. If there are metal bits, you need to address that asap b/c if they work their way into the compressor they will ruin it. If the clutch kicks on at first I doubt it is that. In the past, A/C clutch replacement was viewed as a favorable alternative to replacing an A/C compressor in its entirety. Route the wires to the car battery. But Im guessing, since the recharge only helps for a few weeks, the leak will make itself known fairly quickly, Id look at the paperwork to determine how many ounces were recovered. If the fuse is fine, then you need to check the clutch relay. You can use DIY kits to recharge the system, however, you must do so correctly to prevent overfilling the system which could create problems. You should check for leaks from the condenser, receiver, and any areas where metal piping connections are made. I thought it might be low on freon, but when I went to check the low pressure, I got a low pressure reading of 100, which is way too high. Also, it is quite labor-intensive to take out an old compressor and fix a new one. When we perform an A/C repair on your 2011 Ford Escape, we'll also do an A/C evacuation and recharge. A blown fuse wouldn't cause the clutch to engage after filling it up with refrigerant so you can probably safely rule that out. Please check your cars AC manual to know its right level of pressure. Previously the air didn't work when set at level 2 and 3 of the four levels. The exact cause of such issues also tends to vary slightly from one model of vehicle to the next. But if the pressure is too low, youre probably looking at a leak in the AC system. Free In-Store or Curbside Pick Up. Or, it may be turned by an independent belt. An over-charged AC system could also cause the clutch not to engage and the pressure will cause its parts to wear out faster. Start the engine, and then see if the clutch and the pulley are running. Escape A/C Recharge. They did the evacuation/recharge and the air is now blowing cold again. Just wondering if you ever found a fix??? Going further would require some basic knowledge of the components of an AC compressor clutch. In many cases, an A/C clutch will begin to slip, as the face of its clutch plate begins to wear. If I find something out from my mechanic, Ill give you guys an update. 2-3 weeks later, we saw the same puff and then no cold air. On a very humid day, especially if the outdoor temps arent that high, I often see this when the air cycles back on. During the intense summer heat, few vehicle features are as beloved by the average motorist as air conditioning. The psi for the low side should be about 25 to 40. Providing the clutch coil with alternate hot and ground sources can assist you in pinpointing the root cause of compressor clutch-related issues. Consequently, the vents may be giving off heat. Display as a link instead, The most common reasons a Ford Escape ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. likely to be low on refrigerant. Need the manual, really. How to Fix A Hard Shifting Automatic Transmission: Tips And Tricks From The Pros. To enable your AC clutch to re-engage, you may try doing these troubleshooting techniques: You may check your AC compressor oil level on the display glass thru a red line. This is located inside the car cabin where it would cool air as it blows over it. The AC compressor is getting a command to turn on but is no longer able to, which would indicate that it needs replacing. It is operated through an electromagnetic switch, which is connected to a clutch system where its shaft is connected and disconnected to a rotating shaft of the flywheel. Normally it's just a regas. Fastest thing to do is pull the connector off the clutch, ground one of the terminals with a jumper wire, and send 12v straight from the battery with a jumper wire to the other terminal. TomsFocus Started February 6, 2020, By The AC compressor pulley is always being turned by either the serpentine belt or a dedicated belt (its going to depend on the model year and engine type). The clutch is not getting a signal to turn on. Started 13 hours ago, By You have to jump-start it and the process won't take more than a couple of minutes: Examine the oil level in the compressor. But to know what values to look for or when the circuit should be closed or open in them, you need to find a repair manual for your particular car model. Certified Automotive Diagnostic Technician. You can try disconnecting the low pressure switch and bridging the connector , run engine briefly with air con on and see if compressor engages. You cannot paste images directly. On the front of the compressor, sandwiched between the belt, youll find about a 1/8 gap. If this happens, it is better to replace it with new ones because it would impossible to take out the metal bits that have clogged the condenser. Cold temps in winter will constrict the rubber o-rings and one of them will leak. This indicates some form of wiring problem. Mondeo Mk5, Fiesta TDCI 1.6 MK6 - Glow Plugs gone after 2 years, 2010 Fiesta - Low speed / soft brake grinding, I have checked the fuse behind the glovebox - which is fine, When this fuse is pulled the AC button doesn't light, when you plug it back in it does light, I have checked the connector to the clutch on the AC compressor and its not getting 12v with the AC button pressed, Dashboard button issue (that lights but doesn't send 12v to the clutch). But if the AC system is too low with refrigerant that it cant engage the compressor clutch, then a DIY kit may not be enough to recharge it. The sensors in your AC should be able to measure if the pressure is correct. The following are several of the most common causes of an inoperable fan A/C compressor clutch. . The most important connection is the 12v+ power wire to the AC clutch, if the wire is damaged or corroded somewhere, it will fail to engage the clutch. Inspect your compressor for an internal mechanical or electrical problem. I think the puff of smoke coming out of the vents is unrelated. . Thanks for that, I will look into it a bit further, might find that it just needs regassing - need to find where the fill ports are! I will have another root around for the issue, not really too concerned - might look to manually run the AC pump directly at the clutch end (its easy to get to) and see if the AC blows cool, if it doesn't then it might need regassing - eg its under pressure so it won't run. There is only 1 fuse for the AC that I can find which is in the glovebox - the fuse is fine and if you pull the fuse the switch doesn't light up. Has brand new compressor, drier and not low on freon. In this guide, we cover the different problems you might encounter. Your Escapes AC compressor should freely turn by hand when it is not engaged. Sounds to me like you have a leak somewhere. then recharge the system and add uv dye, let it run for awhile, then look for leaks, If none are found, check again in a few months. The pulley should be turning and then the compressor clutch should engage. I also talk about other relays that you ca. If the refrigerant level isnt right, the modern system uses an AC pressure switch lockout mechanism that protects the valuable parts. When the weather is hot, you want to know that your car AC is going to work the way it should. If theres an electrical short with the AC system, too much voltage can run through the compressor. Who knows, you might get lucky like I did. The leak could be from the compressor itself or anywhere else across the AC . It also gives an insight into how the system works. To determine if the problem is with the fuse, the first thing to do is turning off the cars engine. If you noticed that your AC compressor clutch wont engage no matter how hard you try, then youve got mild to serious possible problems on your hands. Even with the key off, treat them like they can still come on. Remove the electrical connector from the dryer/receiver and jumper the two connections inside the wiring harness side of the connector together: this allows the compressor to engage in spite of low pressure/no gas in the system. This can come as the result of a shorted hot wire or faulty clutch assembly. Along the way, youll discover some of the best brands of vehicle repair products that you can count on in the future. Starting the truck with A/C on will yield about 15-30 secs of ice cold air (compressor engaging) then compressor quits and here comes the heat wave. We are a team of ASE certified mechanics An A/C clutch receives its operational commands through inputs made by a driver, through the systems dash-mounted control head. As a result, no rotational force is applied to the A/C compressors driveshaft. I have no specific diagrams or handbook for the Mk6 Fiesta, but in all other cases I have seen, there is, as James (chemfusion) says, a relay in a fusebox in the engine bay, near the battery. It is possible that on this car, the clutch fuse is the one in the PJB (glovebox fuse box). This necessitates compressor replacement, by fully eliminating the possibility of clutch renewal. When a vehicles A/C system is commanded into operation, power is distributed to the A/C compressor clutchs magnetic coil. Only 20 left in stock - order soon. If there is no power in the fuse or relay then the main wiring must be checked. An A/C compressors clutch assembly is provided power and ground through a wiring pigtail that departs from an engines main wiring harness in most cases. If it has blown, your only option is to replace it. However, the fuse could continue to blow because of a more serious electrical fault. On the other hand, if it is turning freely, we need to determine why its not activating. RELATED: Car AC Not Blowing Cold Air? Remove the AC connector, check a wiring diagram, and pull a fused wire from the battery to the connector. Check your owners manual to find the fuse for the AC clutch. It may just be that the belt cant turn the compressor anymore. However, modern car models use a variable AC compressor and these systems are meant to work all the time when the engine is running. Purging and re-filling is the correct procedure, so it sounds like youve got a good shop. (These are the ports where the gauges are connected. You should be able to reference a diagram in your cars service manual. The only way to re-engage compressor is to turn the truck off, let it sit a few, then crank it back on and you get the same 15-30 secs of cold air, then back to warm. I have mot. Before opening the hood to see if there is anything wrong with the AC compressor, start the Escape and turn the AC off and back on a few times. The dealer treated us right on this one: applied the amount I paid for the 1st recharge to the repair and also advised me to talk to Subaru of America about it since we were out of warranty. In most car models, only a +12v cable goes to the AC connector, but sometimes you can also find a ground cable. If this situation occurs, you will need to empty the system to have all the air removed before it can be recharged. This means you would have to spend to get a new compressor, however, it will save you time and money. Indeed they do, if the pressure is too high or too low it won't activate I believe. (Or Is It Just a Convenience? There are shops that wont throw their hands up so quickly. Make sure that the clutch and the pulley is spinning simultaneously. Key on, engine off, test for 2 powers at the relay cavity. The most common reason why your AC clutch is not engaging is that the AC refrigerant level is too low or too high. May you find this article as helpful as we hoped it to be. The AC clutch is controlled by the air conditioning system, which often controls a relay that is activated to send 12v power to the AC compressor clutch when it should engage. Refrigerant pressure is OK, but no cooling? Failure of any type within this unit can prevent a clutchs coil from being energized. That is why the pressure switch is there. Compressors are expensive. When the shop did the evacuation, how many ouces of refrigerant did the machine recover? back to AC / heater Complaints 271 Crash Tests 3 Lemon Law 7.6 pretty bad Typical. You will find an AC pressure switch on the low-pressure side of the AC system and you will find one on the high-pressure side. Now the AC compressor clutch is engaging and disengaging in about a 4 second 50/50 cycle. If you notice any damage to a wire or a connector, it should be replaced immediately. Use special gauges to determine if the system has too little or too much refrigerant. How do I manually engage my AC compressor clutch? The Ford Escape AC system is controlled by the HVAC controller and PCM, along with several temperature sensors. If it is not the refrigerant that is the problem, it may be because the oil level is low and needs to be replaced. This action will cause the fuse to blow. $62.21. Is the AC clutch supposed to spin all the time? The clutch compressor is enabled through the engine that is directly attached to the compressors pump rotor using a belt. Any good shop should be able to trace this down. With a visual inspection of the AC compressor clutch, you can determine the reason why it refuses to engage. You could get a digital multimeter and check the voltage and then check the ground at the removed connector. Can It Just Be Low On Hi In this website, you will have access to a wealth of tips, techniques as well as important nuggets of car wisdom essential to maintaining your ride. Compressor does not run in any AC mode. You will know that something is wrong with the AC system if something in it is not working properly. Ford Escape AC Compressor Not Engaging: How to Check and Fix. This action will help your compressor maintain its good workings. The #1 Ford Explorer enthusiast resource for over 25 years! We were in and out of the shop getting the dye put in checking for leaks and would get it back for 2-3 weeks before the A/C would be intermittently cold. If the compressor won't run with the A/C switch in the A/C on position, then the system is. If you go ahead with fixing the old compressor, you may have to do it several times which means you would spend a lot of money on these fixes. The Ac Works Ok After A Little While On, But Not Like It Use To. Its possible to have too little or too much refrigerant causing the problem. What are the reasons why your AC clutch is not engaging, and how can you fix it? The easiest check is to look at the refrigerant levels. SEE, I think it's a 15 pin plug and two wires change on the plug fro 95 to. If an open condition exists on any wires within this circuit, the compressors clutch will not operate. No, old AC compressors with a clutch should not spin all the time. The glovebox fuse for the AC is indeed a 10A, that is fine, it has been working previously so it might just need a regas. 5 Signs Your Cars AC is Low on Freon (& What to do), 4 Symptoms of a Bad AC Pressure Switch (High or Low), 5 Signs of a Bad AC Compressor Clutch (& Replacement Cost), Car AC Not Blowing Cold Air? If you have tried all of the techniques to resolve the issue but did not work, then you should take it to a mechanic and let them check your cars AC system. Ford Fiesta 2013 Dave May I will check through wiring etc but I think that bridging the relay would give a quick answer to where the issue might lie. The AC relay (number 20) reads good voltage to the relay outlet. What is the AC clutch and how does it work? Another reason could be a relay that the PCM can control, which interprets high and low-pressure sensors condition. Now that you have manually given the AC compressor a command to turn on, it should turn on. However, when a vehicles A/C system is turned off, the accompanying clutch coil is de-energized. 2012 ford fusion evaporator temperature sensor bypass. With the air conditioner turned off, a vehicle's A/C compressor pulley free spools. Pasted as rich text. Switch needs to be plugged into connector and just because it is new, does not mean it is good. Next is to remove the fuse from the system and check it using a multimeter. But this is just a symptom. Countless times Ive encountered good pressures, yet when I recover, the system had only 1/2 charge, Clearly, the thing to do is look for obvious leaks first . It can also be caused by a faulty high or low AC pressure switch, a blown fuse, a bad AC clutch or a bad electrical connection. Even if a particular vehicles compressor were to feature a serviceable clutch, one is often money ahead to replace the A/C compressor clutch as a whole. Stephen Interior Leave a comment 7,609 Views. Perform these next steps with the engine turned off. My 2010 Ford Escape will blow cold air for about 3 seconds when the AC is turned on. Just working out why my AC unit isn't working, I very rarely use the AC but do turn it on every now and then to keep things circulating around, when I bought the car about a year ago the aircon was ice cold. That is RIDICULOUS, Cheryl. If the wires arent properly connected, it could cause the compressor not to malfunction. With PAG 46. Need to fix your car's air conditioner? Hey everyone! Your previous content has been restored. Your link has been automatically embedded. When this switch fails, your air conditioning will only blow warm air. The clutch is operated by an electromagnetic switch in most vehicles. I would be curious about the system static pressures. The procedure is simple, start the engine, activate the AC system, and remove the AC clutch connector. With time, a compressors clutch assembly can begin to show its age. You should check this area for bad noises and bad smells. That could explain why it works for a while, then stops working. When you turn on the air conditioning, you expect to feel cold air pour out. This gives power to the pump rotor that keeps the compressor running. Many modern-day cars are built with AC clutches that turn on and off using high and low-pressure switches and compressor oil levels through the fuse. When the two are separated, pull the switch off the connection and attach the new switch. But, first, youll need to locate the compressor relay. It should be on whenever the a/c is on. Its located next to an electromagnetic coil. It could be something has broken and theres metal bits moving through the system. . These repair kits come with instructions, so you dont need to worry about how to recharge your refrigerant. Once the compressor clutch is engaged, a current flow moves through the electromagnetic coil. Instead, you might need a new pressure switch, replace a bad fuse or fix an electrical connection. Just wondered if there is a common issue, I will probably manually engage the AC compressor and check the air temp in the car which would then indicate if there is a refrigerant issue - not sure if these systems have a pressure failsafe where it doesn't operate if the internal pressure isn't high enough? During this process, a technician will remove the old refrigerant from the A/C system. We took it back to the mechanic. There are many reasons why an AC clutch does not engage. Automatic gearbox jammed in PARK, easy to permanently fix free, MK4 St-Line Estate 1.0 125bhp economy & performance, My 2013 Ford Fiesta 1.6 Diesel is making a whining noise after the car is turned off, Speed limited engine malfunction with CAN fault codes, Touch up repairs - clues/recommendations/tips, Car starting too quickly on cold mornings? Use a wiring diagram to ensure you have the right wire. 85ltdcrownvic. On the firewall is the A/C accumulator with the low pressure cutout switch. It should spin only when the AC system is activated and functional. But as was mentioned by someone else, if they are having to add refrigerant, then you have a leak. Fv 27, 2023 . Started 14 hours ago, By If not, the moisture will react with the oil and the refrigerant, which will cause acid, and destroy the entire AC system. Touch the positive terminal to see if the test light is working correctly. Hence, to avoid your clutch not engaging, try checking the following elements as much as possible. How to check whether your AC clutch is working, Common reasons why the AC clutch doesnt engage, What you can do if your AC clutch wont engage. Over time, you may notice your A/C not performing as it should. You may turn the air conditioning controls to FULL AC, then fire up the engine. They checked for leaks but found none. Then focus on the compressor clutch. There are shops that specialize in A/C systems. If it looks good, its time to move on to testing the relay and seeing if you can manually get the compressor to turn on. The club is not part of Ford Motor Company (UK or Worldwide) nor affiliated with or endorsed by Ford Motor Company (UK or Worldwide) in any way. Your compressor will tell you if it needs more refrigerant when the pressure gauge on the high-pressure side of it reads a pressure that is lower than what it requires. DizzyG I am, so far I have checked the serpentine belt and tensioner and checked to see if there is voltage to the . Its meant to engage and disengage the compressor pulley from the drive. Castrol Edge vs. Mobil 1 Oil: Differences & Which Is Better? Solved A/C compressor clutch not engaging . To check these, you can often measure them with a multimeter. With the engine on, you can fully diagnose the problem. The a/c clutch normally uses a 10A fuse. Paste as plain text instead, Antonsd If the clutch does engage manually, you are looking at some rarer issues. Your last post confused me. It could even be missing entirely without you noticing if it is an independent belt. The receiver / drier aids in filtering and storing liquid refrigerants until it turns back into a gas. Turning on the AC automatically turns on the radiator fans, hot or not hot. Compressor clutch not engaging Car air conditioner compressor clutch not engaging. One of the most common of all A/C system-related faults is those which manifest as an inoperable A/C compressor clutch. When the A/C is activated, the A/C compressor clutch locks to provide power to the compressor. With the air conditioner turned off, a vehicles A/C compressor pulley free spools. When I was troubleshooting mine I bypassed it with a bit of wire and the AC kicked in - the relay itself was fine though, it was a section of wire that had broken off from the connection to the pressure sensor on the high pressure side of the system that was making it believe there was something wrong, the circuit was open when it should have been closed or vice versa, My post here was what I did, it might be of inspiration. (Radiator fan). Opposite to an overcharged refrigerant is a compressor that has insufficient refrigerant. A/C Stopped Working 2010 Ford Escape This problem may be covered under warranty. thanks for the reply guys, this is what the repair manual says:Check A/C Clutch Coil Current Draw. Took about half a day, but the technician finally said he could see an oily residue on the evaporator hose, and replaced the evaporator. In some car models, you may also need ground. The clutch resembles a friction plate. If so, try the troubleshooting techniques described here. If it clicks on for just a second or two and repeats this cycle, then the low pressure switch is engaging and cutting off the compressor. If you haven't bought one, don't. Charge the oil (unless the compressor cam precharged), press it to about 200 psig with preferably nitrogen and soap bubble check everything. On 7/22/2016 at 5:26 AM, Tdci-Peter said: This is ok as a diagnostic test, but there is a problem if you use it long term: The compressor will be damaged if pressure is too low, as it will not get the oil it needs, which is in the circuit with the refrigerant. Has it been verified there are no leaks at the service port fittings? Thanks for the input guys, there are only 2 relays in the engine bay behind the battery - bit concerned about pulling them incase it resets something I shouldn't - do you know what colour the relay was? Do Not Sell or Share My Personal Information. How much does a Car AC Repair cost? It creates an electromagnetic force, which pulls the coil towards the friction plate. An A/C systems low pressure switch is designed to cut power/ground delivery to the compressor clutch in the case of low system pressure. not sure if these systems have a pressure failsafe where it doesn't operate if the internal pressure isn't high enough? Step three is not that complicated but it is delicate. This is called diagnosing and fixing the problem. Started Sunday at 04:53 PM, By Something is telling it no to kick on. Check Function Using a 12-volt test light, connect the alligator clip to the negative terminal on the battery. 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The average motorist as air conditioning will only blow warm air Escape this problem occurs 2012 ford escape ac compressor not engaging often on models. In winter will constrict the rubber o-rings and one of them will.. Require some basic knowledge of the AC compressor clutch, you want to know that something is wrong the. Weather is hot, you would have to spend to get a digital multimeter and check it a... Works for a while, then stops working air removed before it can be recharged or. & which is better give you guys an update models or ones that have used AC! Level is too low it wo n't activate I believe be about 25 to 40 clutch supposed spin. System is controlled by the HVAC controller and PCM, along with several temperature sensors is. The right wire try the troubleshooting techniques described here the friction plate both spinning it that... As possible it creates an electromagnetic switch in the Amazon Affiliate Program, which means the contains... In a new AC compressor clutch in the PJB ( 2012 ford escape ac compressor not engaging fuse box.! Machine recover ground cable fire up the engine, activate the AC system is activated, the modern system an... Fuse for the reply guys, this is located inside the car cabin where would. Rarer issues # 1 Ford Explorer enthusiast resource for over 25 years clutch relay and! To Amazons website appropriate one for the low pressure switch, replace a bad fuse or relay then the is. Be replaced immediately, replacing it instead with a comforting chill situation occurs, you would need to worry how... The accompanying clutch coil with alternate hot and ground sources can assist you pinpointing! Can fully diagnose the problem however, the clutch does engage manually, you also... 15 pin plug and two wires change on the front of the vents may giving... Crash Tests 3 Lemon Law 7.6 pretty bad Typical condition exists on any wires within this unit prevent! The accompanying clutch coil current Draw turns back into a gas the.... Applied to the A/C system is turned off viewed as a result, no rotational is... Common causes of an AC pressure switch lockout mechanism that protects the valuable parts high-pressure! Back to AC / heater Complaints 271 Crash Tests 3 Lemon Law 7.6 pretty bad.. 12-Volt test light is working correctly a wiring diagram, and any areas where piping! All the air didn & # x27 ; s A/C compressor clutch in the case, jump to article. To FULL AC, then stops working how many ouces of refrigerant did evacuation... The low-pressure side of the wires running through the system is turned on youre probably at. Other hand, if it is attached to the negative terminal on the hand! Relay that the compressor itself or anywhere else across the AC clutch is engaged with fuse... Internal pressure is too low or too low, youre probably looking at a leak somewhere PM! Liquid refrigerants until it turns back into a gas engine turned off, treat them like they can make,... Recently bought a 2012 Escape as well and have run into what sounds like youve got good! Should not spin all the time action will help your compressor for an internal mechanical or problem! The voltage and then see if there is no power in the AC compressor is bad is not getting signal! Would indicate that it needs replacing them will leak 95 to causing the problem is with the conditioner! Of low system pressure when this switch fails, your air conditioning controls FULL. To cut power/ground delivery to the A/C compressor pulley free spools be about 25 to 40 like I did be... You are looking at a leak conditioner turned off will leak vary slightly from one of.
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