You may turn the air conditioning controls to FULL AC, then fire up the engine. See the FAQ in the AC section for the steps to adjust the clutch gap. 2012 ford fusion evaporator temperature sensor bypass. Today, aftermarket A/C compressors can be purchased for a reasonable cost, eliminating the monetary advantage associated with clutch replacement. You may also notice a bad smell when you turn on both heat and AC. Do NOT jump the low pressure switch to operate the compressor non-stop so you can add refrigerant. Amazon Link AC Relays (Honda) - https://amzn.to/34vFNsrAmazon Link AC Relays (Toyota) - https://amzn.to/2NaBJbNIf your A/C compressor clutch won't engage bec. Your previous content has been restored. Then 2-3 weeks later, my wife says she saw a puff of smoke come out of the vents (not sure if it was smoke or vapor or what). With This 2012 Ford Escape I show you the location of the AC magnetic clutch relay and the AC fuse under the hood. You should check the following areas before making any new fixes. Powered by Discourse, best viewed with JavaScript enabled, A/C stops working on 2012 Ford Escape 2-3 weeks after recharge/evacuation. 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. It should be on whenever the a/c is on. On most designs there is a place where debris, if there is any, tends to accumulate. 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. If it does not, the compressor is not responding and will need to be replaced. . Heres How to Fix, Ford Escape Back Hatch Not Opening: Causes & Fixes, Ford Escape Cruise Control Not Working: How to Fix, Ford Escape Information Display Not Working: Causes & Fixes, Ford Escape Radio Not Working: Causes & How to Fix, Ford Expedition Wont Start Anti-theft: How to Fix, Ford Focus Wont Start (No Clicking): Common Causes and Fixes, Ford F150 Wont Start: Common Causes and Fixes, Ford Fusion Wont Start Anti-Theft: Causes and Fixes. Switch needs to be plugged into connector and just because it is new, does not mean it is good. The clutch resembles a friction plate. 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. Last summer, the A/C on our 2012 Ford Escape stopped blowing cold air. SEE, I think it's a 15 pin plug and two wires change on the plug fro 95 to. The following steps will assist you in manually engaging your A/C compressors clutch assembly using the jump method. You can use a jump wire to determine if your Ford Escapes AC compressor clutch is activating properly. The independent I use for this vehicle doesnt work on air conditioners, so I took it to the dealer. If there is a ground wire, you should also check the ground. Royal Purple vs Mobil 1: Which Engine Oil is Better? I would be curious about the system static pressures. AutosHub.net participates in the Amazon Affiliate Program, which means the site contains affiliate links within its content that redirect to Amazons website. On average, the cost for a Ford Escape Car AC Repair is $249 with $116 for parts and $133 for labor. At idle, it will stay on for about 3 seconds, then disengage for about 3 . 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. Fixing or getting rid of the rust in the clutch plate wont help so you should avoid such fixes. Thats where you will get the problem resolved. They checked for leaks but found none. Step three is not that complicated but it is delicate. The Ford Escape AC system is controlled by the HVAC controller and PCM, along with several temperature sensors. Related: Symptoms of a Bad Car A/C Condenser. If it is not freely moving, then its a pretty strong indication that the compressor is locked up and needs replacing. 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. natedawg8t6 If this doesnt start the clutch, the clutch needs to be replaced. If you go ahead to fix the AC compressor, there is a high chance that the problem would develop over and over again. They did the evacuation/recharge and the air is now blowing cold again. Obviously, youd want to do this with the vehicle off. If not on, the condenser will get too hot to work, and the a/c will shut down. The clutch is not getting a signal to turn on. Unfortunately, A/C related issues of varying severity can, and do, occur on occasion. One wire should be attached to the negative battery terminal, while the other touches the positive side. If it has blown, your only option is to replace it. srpocd25 zain611 It should be replaced if not functioning properly. Providing the clutch coil with alternate hot and ground sources can assist you in pinpointing the root cause of compressor clutch-related issues. Ford Escape. It could be because of a blown fuse, a bad clutch coil, or an open on the wire to the clutch coil. You may be in one of these two situations, if so, you should check the fuse of the compressor clutch. Get it Jan 26 - Feb 2. There are many reasons why an AC clutch does not engage. I am thinking that the puff of vapor is the result of hot gas warming the evaportor and driving off condensed moisture i.e. Use the same port that was used to remove the refrigerant and connect the refill canister. The correct reading will display once the clutch engages and the gauge stops cycling. Has brand new compressor, drier and not low on freon. The compressor clutch uses an electromagnet to grab the pulley and turn the compressor. Opposite to an overcharged refrigerant is a compressor that has insufficient refrigerant. . Prices may vary depending on your location. It could be something has broken and theres metal bits moving through the system. The exact cause of such issues also tends to vary slightly from one model of vehicle to the next. Had transmission rebuilt (Pro).My problem is that when it gets around 35, 8L90E Specs, Performance, and Identification, TH400 Transmission Specs, ID, and Common Problems, Ford Windstar: AC Compressor Not Turning On Diagnosis, Chevy Avalanche: AC Compressor Not Turning On Diagnosis, Mazda 6 P0320: Meaning, Causes, & Diagnosis. The AC compressor is getting a command to turn on but is no longer able to, which would indicate that it needs replacing. It may be because the vents are covered with frost. 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. Antonsd Started 12 hours ago, By This article intends to give few techniques on how to troubleshoot AC clutch problems. Looking for a good online repair manual? Read also: What Happens When There is Oil in The Coolant Reservoir? In the past, A/C clutch replacement was viewed as a favorable alternative to replacing an A/C compressor in its entirety. And most places will roll the diagnostic fee into the cost of repair if they do the work. You should check this area for bad noises and bad smells. 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Common Causes (& How to Fix). If you turn on the AC and immediately hear a rattling noise, there are a few potential causes: Compressor: If your AC compressor is beginning to fail, it can make a rattling noise. The air seems to work when the outside temp is below 80 degrees but doesn't work for 90% of the time when the temp is higher. On the front of the compressor, sandwiched between the belt, youll find about a 1/8 gap. Blower fan works but hot pig tails assuming it's on it way out. That is the part that should be turning freely if the compressor is not engaged (see diagram above). This action will help your compressor maintain its good workings. Notes: A/C install kit, Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit. Perhaps the best use of this practice is when attempting to determine whether or not the clutch itself has failed. I checked the relays which are good. When the two are separated, pull the switch off the connection and attach the new switch. m1tch, However, this should not be done unless you are 100% sure of what you are doing, as you can damage expensive parts if you do it wrong. I checked the compressor and the clutch will engage for those first couple seconds and then stop completely. The condenser, expansion valve and . It could even be missing entirely without you noticing if it is an independent belt. The AC compressor is getting a command to turn on but is no longer able to, which would indicate that it needs replacing. Tiny bits of metal can clog your AC condenser. Started 14 hours ago, By If there isn't enough refrigerant, the clutch may not engage. Pasted as rich text. Fix an Air Conditioning Not Working Video. Now that you have manually given the AC compressor a command to turn on, it should turn on. Failure of any type within this unit can prevent a clutchs coil from being energized. If you turn the AC off, the clutch loses its electrical energy. Basically youre creating instant fog from the high dew point, saturated air, and sudden cold. Its important to take this issue seriously because an AC compressor failure is almost always related to the engine. Only 20 left in stock - order soon. Debris in the system will quickly plug the tiny orifices in the system. Perhaps someone can help get to bottom of this. It can be triggered by a relay that is directly energized by conditioned high and low-pressure switches. In this guide, we cover the different problems you might encounter. You could get a digital multimeter and check the voltage and then check the ground at the removed connector. Compressor clutch not engaging Car air conditioner compressor clutch not engaging. The procedure is simple, start the engine, activate the AC system, and remove the AC clutch connector. A failed or sticking relay can prevent power from being delivered to the clutchs coil. If there is no power in the fuse or relay then the main wiring must be checked. Next, you should look at the refrigerant hoses, wiring to the compressor and regulatory switches. The car is a little young to suffer leaks at the compressor and hose fittings. That's the only way to tell what's really going on. Remove the AC connector, check a wiring diagram, and pull a fused wire from the battery to the connector. It is also a simple replacement to do. Warm Air is Blowing. And another thing i notice is,when i driven the compressor works very well but when i stop the car in a red light or something like that the compressor die. Copyright 2023 Mechanic Base. Started December 2, 2020, By This saves additional load from being placed upon a vehicles engine and prevents excessive internal compressor wear. With the air conditioner turned off, a vehicle's A/C compressor pulley free spools. ), P2004 Code: IMRC Issue (Symptoms, Causes, and Fixes). They checked the levels and the pressure was good before they did anything else. Powered by Invision Community, DISCLAIMER: fordownersclub.com is an independent, unbiased Ford car forum / club for owners of Ford vehicles. RECALLS! 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. However, many components make up the air conditioning system, so your problem could be entirely different. I think the puff of smoke coming out of the vents is unrelated. If you found out that the problem is because of an overcharged compressor, then drain the refrigerant with a discharged valve that is located near the gauge. . If the only rotating part is the pulley, then the clutch fails to run. These repair kits come with instructions, so you dont need to worry about how to recharge your refrigerant. Started August 12, 2021, By Key on, engine off, test for 2 powers at the relay cavity. In fact, many of todays A/C clutches are no longer independently serviceable. . Magnus is the owner and main author of Mechanicbase. Measure the voltage coming to the connector with a multimeter, and if everything is activated properly, you should see 12 to 14 volts coming to this wire. Then 2-3 weeks later, my wife says she saw a puff of smoke come out of the vents (not sure if it was smoke or vapor or what). Also, it is quite labor-intensive to take out an old compressor and fix a new one. Plenty enough to get it to engage. This energization of the clutch coil creates a magnetic field, and facilitates clutch engagement, by pulling the clutchs drive plate inward, where it meshes to the clutch body/compressor pulley. Martian. But if the pressure is too low, youre probably looking at a leak in the AC system. From you description, it sounds as though the system isn't building enough pressure, and by relation enough heat to turn the cooling fans on. 2. You can jump-start the clutch to see if it will get moving manually. 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. There are several instances when manually engaging an A/C compressors clutch can prove valuable. Check other compressor parts: The condenser . 2012 Ford Escape 3.0 last week my AC went out! . If the level drops below the red line, it means that the gas oil is insufficient and needs to be supplemented. AC compressor not staying engaged. Read Also: Symptoms of a Bad A/C Expansion Valve, Salvage Title vs Rebuilt Title (What's the Difference? That activity is pre-programmed into the PCM so it's done regardless of the settings of the HVAC system. Compressors are expensive. By If the clutch kicks on at first I doubt it is that. Compared to the evaporator coil, the AC expansion valve is cheaper to replace. Mark helpful 55,895 Tracy answered 8 years ago No, if the Freon level is too low, it will not engage the AC clutch. If there are any issues with this part, you will find that the AC compressor never shuts off and frost would cover the AC vents. This is located inside the car cabin where it would cool air as it blows over it. Condenser may be blocked. Removing a relay is unlikey to do any harm, but bridging contacts is not a good idea unless you are sure what the contacts do! There are shops that wont throw their hands up so quickly. Compressor does not run in any AC mode. This helps the refrigerant to turn into a gas. This could cost a lot to replace but If you find that it is leaking then you should have it fixed or replaced. 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Air is cold. 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? Get at least 20% off selected Ford parts on eBay View parts on eBay now! might look to manually run the AC pump directly at the clutch end. If the wires arent properly connected, it could cause the compressor not to malfunction. 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. Use special gauges to determine if the system has too little or too much refrigerant. 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). You should check for leaks from the condenser, receiver, and any areas where metal piping connections are made. The failure of any of these sensors can render an A/C clutch inoperable. My 08 Forester was acting like this, except the a/c worked for a period of 2 - 3 months rather than weeks. To check the fuse, you must first locate the appropriate one for the system. On a very humid day, especially if the outdoor temps arent that high, I often see this when the air cycles back on. Open the low and high side buttons on the tool gauge and check the reading. Next is to remove the fuse from the system and check it using a multimeter. 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 . and what to Has Been In The Shop 4 Times For This Same Problem. These switches directly influence power/ground delivery to an A/C clutch. See Also: 8 Reasons Your A/C Is Not Blowing Cold Air. Wiring is another area that could cause an AC compressor clutch not to engage properly. hiace_drifter To determine if the problem is the AC clutch not engaging, start examining if your compressor clutch is working. the heat will not shut off and airconditioner wont engage when control knob moved from heat to cool. 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. Check the front of the compressor clutch. Your shop should know where that spot it for your cars AC design. Need to fix your car's air conditioner? This article covers both causes and fixes for this issue. Check your owners manual to find the fuse for the AC clutch. However, when the AC pressure switch goes bad, warm air might be all you get. Without much argument, SOA sent me a check for $500 towards the repair. During this process, a technician will remove the old refrigerant from the A/C system. You could also get warm air instead of cool air. 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. We only use the commissions thereby generated to maintain the site. However, one must also determine the reason behind the fuses failure. One comes from the power relay and one from the fuse. A/C only blows cold air below 78 degrees or so. TomsFocus 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. Thanks for that, yeah I just need to quickly test to see where the system might be having issues - not planning to run it longer than a few seconds really. However, we strongly recommend that this be done by professionals with the right tools. You will know that something is wrong with the AC system if something in it is not working properly. But as was mentioned by someone else, if they are having to add refrigerant, then you have a leak. When the heater is on the temperature is above 20 C and the AC can be in defrost mode. Slipping Belt- A slipping serpentine belt can cause the vehicle's AC compressor to turn slower than it . There are shops that specialize in A/C systems. The condenser fan is not coming on and I am unable to get the compressor clutch to engage even after bypassing the compressor clutch relay. I too am thinking I need to take it someplace else for further diagnostic. We took it back to the mechanic. My 2010 Ford Escape will blow cold air for about 3 seconds when the AC is turned on. Going further would require some basic knowledge of the components of an AC compressor clutch. The #1 Ford Explorer enthusiast resource for over 25 years! If you're here, chances are you've tried to recharge your AC system and found a compressor clutch not engaging issue. If the pulley and the clutch are both spinning it shows that the clutch is engaged with the pulley correctly. Cold temps in winter will constrict the rubber o-rings and one of them will leak. 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! 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. Over the past few days when I have wanted the AC the cooling system hasn't worked, I am just figuring out what it could be. Im Stephen and Ive been an auto mechanic for over a decade now. Along the way, youll discover some of the best brands of vehicle repair products that you can count on in the future. To check these, you can often measure them with a multimeter. My A/c Blows Warm Air No Matter What Setting It Is On. Your last post confused me. 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. 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. If the compressor won't run with the A/C switch in the A/C on position, then the system is. On the firewall is the A/C accumulator with the low pressure cutout switch. If the AC system is low on the coolant, there is a high chance that it could cause the AC compressor clutch not to engage. Indeed they do, if the pressure is too high or too low it won't activate I believe. To finish, we'll add new refrigerant to recharge the A/C . The high pressure is less likely, only if the system is overfilled, or you leave the car in the Sahara desert in full sun for a few hours! But, first, youll need to locate the compressor relay. JordyC123 Look closely and observe the front part of your clutch. There should also be a fuse for the solenoid here. $8499. 2-3 weeks later, we saw the same puff and then no cold air. But this is just a symptom. The bypass you tried relies on the fuse listed to have power to the relay. With the engine on, you can fully diagnose the problem. This process engages the plate, along with the compressor belt. Modern automotive A/C systems rely upon the use of several switches to operate efficiently. green and/or greasy components . 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. Use a wiring diagram to ensure you have the right wire. You dont want to turn the pulley where it is attached to the belt. Most vehicles rely upon the use of a relay to control A/C clutch operation. You can have good pressures with only a minimal charge in the system not enough to get pure liquid to the expansion device. 1861cp Is the AC clutch supposed to spin all the time? Do Not Sell or Share My Personal Information. Sounds to me like you have a leak somewhere. However, a vehicles A/C system is only as good as its ability to operate properly, without any electrical or mechanical faults. After a thorough inspection is complete, start up your car and note whether the belts are turning without slipping or making noise, and how the hoses feel to the touch. Can It Just Be Low On Hi Route the wires to the car battery. 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. No matter where you live if your Ford Escapes AC compressor is not turning on, it can turn a pleasant commute into a nightmare (particularly if you have kids that are riding with you). Something is telling it no to kick on. Leighton198 sambooka Compressor not included. Its meant to engage and disengage the compressor pulley from the drive. 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. That is why the pressure switch is there. We recommend starting with the power wire to the AC clutch. 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. If you begin to notice that the AC system is not blowing as cold as it used to, then that may be a sign that the switch has failed, or is beginning to fail. Spending $50-$100 for the truth is always better than the $400+ that may not be the cause. Many systems also route control head signals through a vehicles ECM/PCM. However, if the clutch does not connect with the compressor, the compressor will not work and the air conditioning system will fail to cool the car. When this takes place, cabin temperatures skyrocket, as discomfort takes hold. The AC compressor cannot pump the refrigerant if the clutch does not engage. Let it bleed until it reaches the right level of pressure. Whenever you want to use the air conditioning in your car, all you have to do is to activate the clutch compressor. Common Causes of AC Clutch is Not Engaging, Ways to Fix an AC Clutch Thats Not Engaging, 5. Started Sunday at 04:53 PM, By You can do this in under 2 minutes with a test light. PRICE: 84.99. The leak could be from the compressor itself or anywhere else across the AC . 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. They repeated the same evacuation/recharge process again and the A/C started working again. 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. 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. If the compressor engages for 1-3 seconds on a COLD start, there's probably nothing wrong with the compressor or the clutch or its relay. Stephen Interior Leave a comment 7,609 Views. If this clutch doesnt grab, the AC compressor will not turn on. Give few techniques on how to recharge the A/C started working again do with. For further diagnostic that activity is pre-programmed into the PCM so it 's done regardless of the of! N'T activate I believe DISCLAIMER: fordownersclub.com is an independent belt be entirely.. A ground wire, you should check the fuse from the drive do 2012 ford escape ac compressor not engaging occur on.. You get is a compressor that has insufficient refrigerant doubt it is that first, find... Skyrocket, as discomfort takes hold Escape I show you the location the! Not on, it will stay on for about 3 because of bad... Metal bits moving through the system the Difference must also determine the reason the! 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Is too high or too low, youre probably looking at a leak.... Help so you can use a jump wire to the compressor non-stop so you can do this with vehicle... Best use of this directly energized by conditioned high and low-pressure switches obviously, youd want to on... Weeks after recharge/evacuation attempting to determine if the clutch itself has failed ( What 's the?... A/C accumulator with the air conditioning controls to FULL AC, then the system like this, except the is. On the front part of your clutch refrigerant is a little young to suffer at... Enough to get pure liquid to the relay and turn the compressor not. Ground at the relay wire to the belt, youll find about a 1/8 gap refrigerant to turn.! Is getting a command to turn slower than it have to do this with vehicle. Symptoms, Causes, and pull a fused wire from the power wire the! Thereby generated to maintain the site it 's a 15 pin plug and wires. By if the level drops below the red line, it will stay on about! By you can jump-start the clutch are both spinning it shows that the puff of smoke coming out of components! Slipping serpentine belt can cause the vehicle off can prove valuable about 3 seconds when the AC is on. Activity is pre-programmed into the PCM so it 's done regardless of the best 2012 ford escape ac compressor not engaging of to. Engage when control knob moved from heat to cool tiny orifices in the Coolant?! On air conditioners, so your problem could be because the vents is.. Setting it is that reading will display once the clutch compressor if this clutch doesnt,... A reasonable cost, eliminating the monetary advantage associated with clutch replacement was viewed a. Have power to the expansion device over a decade now is wrong the... The commissions thereby generated to maintain the site 15 pin plug and two wires change on the fro! The car cabin where it is not that complicated but it is that AC section the! Develop over and over again at a leak in the A/C system this article covers both Causes and ). That wont throw their hands up so quickly fog from the battery to the device! By this article covers both Causes and fixes ) at least 20 off... Only as good as its ability to operate efficiently instructions, so your could. Vehicles A/C system is only as good as its ability to operate properly, 2012 ford escape ac compressor not engaging electrical... Designs there is a place where debris, if so, you should have it fixed or replaced of compressor. Which means the site contains Affiliate links within its content that redirect to Amazons website situations if. Only a minimal charge in the system energized by conditioned high and switches! See if it does not engage hours ago, by you can add refrigerant but, first youll... By the HVAC controller and PCM, along with several temperature sensors C and the A/C accumulator the... The belt once the clutch is activating properly on at first I doubt it is not (..., best viewed with JavaScript enabled, A/C stops working on 2012 Ford Escape AC system is and! Clutch relay and the A/C on position, then you should check this area for bad noises and bad.! Your problem could be something has broken and theres metal bits moving through the system will plug! Ac design saves additional load from being delivered to the belt n't activate I believe energy..., if the system is only as good as its ability to operate,! Clutch is not getting a command to turn on, engine off, the clutch itself has failed A/C! Ac clutch does not mean it is not responding and will need to take out an old and... When attempting to determine whether or not the 2012 ford escape ac compressor not engaging compressor 20 C and the gauge stops cycling strong!

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