#2. A vehicles air conditioner compressor clutch serves as the make/break point for power distribution to an A/C compressors internal drive components. We took it back to the mechanic. Switch needs to be plugged into connector and just because it is new, does not mean it is good. With time, a compressors clutch assembly can begin to show its age. Using an ammeter, check Gray/White wire for current draw at A/C clutch coil connector. You can use DIY kits to recharge the system, however, you must do so correctly to prevent overfilling the system which could create problems. Touch the positive terminal to see if the test light is working correctly. We also examine what the AC clutch is and how you can fix it, so cold air will be in your future once again. Do NOT jump the low pressure switch to operate the compressor non-stop so you can add refrigerant. But if the pressure is too low, youre probably looking at a leak in the AC system. They checked for leaks but found none. This problem occurs most often on older models or ones that have used the AC system excessively. The failure of any of these sensors can render an A/C clutch inoperable. Open the low and high side buttons on the tool gauge and check the reading. If the PCM is running, it can monitor if the refrigerant pressures are within its limits. But, I have no reason to think it will last. 2. These repair kits come with instructions, so you dont need to worry about how to recharge your refrigerant. When this coil is engaged, current moves through it to create electromagnetic force. Do it somewhere quiet. 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). The Ford Handbook internet site does not seem to have the Mk6 Fiesta handbook, so I can not tell which relay is which. Any ideas why its not lasting? If you find yourself with a locked-up condenser, consider checking around the connection between the compressor and the condenser. 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. likely to be low on refrigerant. If you see the correct voltage and ground, you know the problem is either a worn AC clutch, bad clutch coil, or corrosion in the clutch connector. Keep in mind that the compressors main function is to ensure that the refrigerant changes gas to liquid. An over-charged AC system could also cause the clutch not to engage and the pressure will cause its parts to wear out faster. Started 13 hours ago, By Is the AC clutch supposed to spin all the time? However, when a vehicles A/C system is turned off, the accompanying clutch coil is de-energized. After inspecting the belt, there can only be two things left that could be happening: 1. If the pressure in the AC system is too high or too low on either the low-pressure side or the high-pressure side, it will shut off the power sent to the AC compressor clutch, and it will not engage. Started Sunday at 04:53 PM, By Do you have 12V out of the pressure switch on the red/yellow wire? One comes from the power relay and one from the fuse. Perhaps someone can help get to bottom of this. Display as a link instead, Common Causes (& How to Fix). Ensure that your engine is turned off when performing this inspection. . 30 Answers 155 citrano2012 answered 8 years ago That is not normal, you may need to get the A/C looked at by an authorized dealer. 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. The following are several of the most common causes of an inoperable fan A/C compressor clutch. 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. 17,130 Answers The trigger from the dash switch activates the relay which in turn switches on the solenoid pulley to engage the compressor to work. You can do this in under 2 minutes with a test light. 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. Something is telling it no to kick on. As for the engine coolant temp sensor, if the coolant is not hot enough to make the fan come on, then there is no need for the fan yet and there is no problem . In order for the AC Condensor to do its job it must stay as cool as it can. The a/c clutch normally uses a 10A fuse. Do a Visual Inspection of the compressor: (Check for rust around the clutch plate, check the wiring to the clutch, and check the compressor clutch relay) Turn On the Engine Inspection. Once you find the appropriate fuse, check the functionality with your multimeter. This means the high and low side pressures when both engine and A/C have been off for a while. If you have an account, sign in now to post with your account. back to AC / heater Complaints 271 Crash Tests 3 Lemon Law 7.6 pretty bad Typical. Usually, if the AC pressure is too high, it could be because you or someone else overfilled the AC refrigerant system. $8499. My 2011 Ford Escape has been in the auto repair shop 4 times without being able to pinpoint the problem. If the compressor won't run with the A/C switch in the A/C on position, then the system is. There are shops that wont throw their hands up so quickly. Pulley: If the compressor pulley bearings are failing, they can make noises, generally a grinding, roaring or squealing noise. My A/c Blows Warm Air No Matter What Setting It Is On. Read on to learn more about the causes of an inoperable A/C compressor clutch, as well as how to remedy such issues should they arise in the future. Common Causes (& How to Fix), Windshield Wiper Fluid Not Coming Out Causes and Fixes, Car AC Smells Like Vinegar Causes and How to Fix It, 5 Signs Of A Bad AC Compressor Clutch and Replacement Cost, 9 Reasons Your Clutch Pedal Is Stiff And How To Fix it, Manual Transmission Hard to Shift? If you jump the low pressure switch with the engine running, do it only for a few seconds. This action will cause the fuse to blow. Mechanic's Assistant: What year is your Escape? The correct reading will display once the clutch engages and the gauge stops cycling. (Or Is It Just a Convenience? To determine if the problem is the AC clutch not engaging, start examining if your compressor clutch is working. It should spin only when the AC system is activated and functional. 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. However, if you notice that is worn, then it would have to be replaced. 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. If theres a problem with any of them, the clutch could fail to work. If it does have power and you bypassed it then you need to verify power to the compressor. [/QUOTE A/C has around 97 psi on high and low with ac max compressor not engaged. The power going to the AC compressor relay is going to be fused, so check that fuse while youre at it as well. Ask your Ford dealer. Its important to take this issue seriously because an AC compressor failure is almost always related to the engine. When the AC is turned on, the clutch gets electrical energy. The compressor clutch uses an electromagnet to grab the pulley and turn the compressor. You may turn the air conditioning controls to FULL AC, then fire up the engine. Murray Compressor - New - 58035. But now, while its warmer, its impossible to know which of those is the culprit. 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. Aug 19, 2018. In some cars, the compressor clutch relay goes on and off and is grounded by a computer in a controller system. The AC compressor is getting a command to turn on but is no longer able to, which would indicate that it needs replacing. Car Maintenance, General Repair, Trouble Shooting, and Everything Car Related. When the engine is on. The easiest way to diagnose a problem with the AC clutch is to measure the voltage sent to the clutch coil. Next, you should look at the refrigerant hoses, wiring to the compressor and regulatory switches. You will need a wire crimp tool because the connectors are small. Pennzoil vs. Mobil 1 Oil: Differences & Which Is Better? Find a repair shop that can put a set of refrigerant gauges on the system. Inspect the harness to make sure that it doesnt have any opens or shorts. Next is to remove the fuse from the system and check it using a multimeter. If the air conditioning isnt working, the problem could be the AC clutch. Above that, it only blows out hot air. Who doesnt love road trips? The official Ford website can be found at http://www.ford.co.uk/. and what to Has Been In The Shop 4 Times For This Same Problem. Its meant to engage and disengage the compressor pulley from the drive. Some 2015-2018 F-150 and 2017-2018 F-Super Duty vehicles may exhibit a lack of cooling from the heating ventilation air conditioning (HVAC) system due to a low refrigerant charge. This article covers both causes and fixes for this issue. There is an AC relay in the relay box next to the battery. Dec 25, 2006. These include low or excess refrigerant and insufficient oil. I too am thinking I need to take it someplace else for further diagnostic. I Am Seking Problem Stop Safely. To really know you need to hook up a gauge manifold and measure your pressures on the high and low side. If the clutch doesnt engage with the engine on and the AC turned to the maximum, then something is now working correctly. Or they charge it, then cant find a leak? If they have to add ANY freon, then theres a leak, they just havent found it. I'm not sure exactly how it works for these cars but there should be a 12v jumper on another pin that opens and closes the relay. 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. Please check your cars AC manual to know its right level of pressure. Components used in the Ford Escape AC system Cylinder head temperature sensor Engine coolant temperature sensor Evaporator temperature sensor Low pressure AC cycling switch Dual function high pressure switch You may be in one of these two situations, if so, you should check the fuse of the compressor clutch. RELATED: 4 Symptoms of a Bad AC Pressure Switch (High or Low). 0 %. If the pulley and the clutch are both spinning it shows that the clutch is engaged with the pulley correctly. Without much argument, SOA sent me a check for $500 towards the repair. Inspect the belt to see if it is cracked or shiny. Cold air started blowing again! Just took it back to mechanic. -or-. Previously the air didn't work when set at level 2 and 3 of the four levels. Mechanic's Assistant: Are you fixing your Escape yourself? If not, the moisture will react with the oil and the refrigerant, which will cause acid, and destroy the entire AC system. (2012 - 2023) Ford Fusion Battery Sizes & Specs (2006 - 2023) Ford Ranger Battery Sizes & Specs (2000 - 2023) The clutch is not getting a signal to turn on. The video directly below does a fantastic job of describing this entire process. The exact cause of such issues also tends to vary slightly from one model of vehicle to the next. It could also be of poor ground or a low-pressure lockout. Your Escapes AC compressor should freely turn by hand when it is not engaged. Let us now learn how to manually engage the AC compressor clutch. I also talk about other relays that you ca. This is to maintain system pressure and keep the seals from drying out. A/C only blows cold air below 78 degrees or so. Free In-Store or Curbside Pick Up. No, old AC compressors with a clutch should not spin all the time. We took it to our mechanic (who I trust). Thats where you will get the problem resolved. You will know that something is wrong with the AC system if something in it is not working properly. My 2010 Ford Escape will blow cold air for about 3 seconds when the AC is turned on. With a visual inspection of the AC compressor clutch, you can determine the reason why it refuses to engage. 2-3 weeks later, we saw the same puff and then no cold air. If it has blown, your only option is to replace it. . 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. 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? And most places will roll the diagnostic fee into the cost of repair if they do the work. 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. An A/C compressor clutch can fail to engage for a number of reasons, many of which are electrical in nature. This car AC element helps blow the air to cool it down. 2. Use a wiring diagram to ensure you have the right wire. If the clutch kicks on at first I doubt it is that. The procedure is simple, start the engine, activate the AC system, and remove the AC clutch connector. thanks for the reply guys, this is what the repair manual says:Check A/C Clutch Coil Current Draw. To check these, you can often measure them with a multimeter. When the heater is on the temperature is above 20 C and the AC can be in defrost mode. 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. Only 20 left in stock - order soon. Mechanic's Assistant: Have you checked the Freon level? Just driving to nowhere alone, with your friends, or your . This is a full explanation of how the system works. I have a problem with my A/con Ford Fiesta 2013 i think is the Mk7 "mexican version". Dan - Did you ever get to the bottom of this? They did an evacuation and recharge of the system. My Explorer did this in 92/93/94one 60 cent oring and its been good since. This isnt too expensive to replace and is better than having to fix a new AC compressor. Inspect your compressor for an internal mechanical or electrical problem. The AC compressor is getting a command to turn on but is no longer able to, which would indicate that it needs replacing. Ensure that your engine is turned off when performing this inspection. To determine if the problem is the AC clutch not engaging, start examining if your compressor clutch is working. Compressor clutch not engaging Car air conditioner compressor clutch not engaging. Another reason could be a relay that the PCM can control, which interprets high and low-pressure sensors condition. Started February 6, 2020, By The best solution here is to replace the entire unit if you notice that the compressor is bad. Solved A/C compressor clutch not engaging . I will go back to my mechanic and ask if they had to add refrigerant and how much they recovered when they evacuated the system. srpocd25 Read also: What Happens When There is Oil in The Coolant Reservoir? Powered by Invision Community, DISCLAIMER: fordownersclub.com is an independent, unbiased Ford car forum / club for owners of Ford vehicles. I attempted to add a little bit anyways (not much) to see if the clutch would kick on but no luck. . The same applies if the freon pressure is too high. He has been working as a car mechanic for over 10 years, and the majority of them specialized in advanced car diagnostics and troubleshooting. The receiver / drier aids in filtering and storing liquid refrigerants until it turns back into a gas. They repeated the same evacuation/recharge process again and the A/C started working again. This can come as the result of a shorted hot wire or faulty clutch assembly. Going further would require some basic knowledge of the components of an AC 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. Royal Purple vs Mobil 1: Which Engine Oil is Better? If there is no power in the fuse or relay then the main wiring must be checked. If so, then youve come to the right place. Took about half a day, but the technician finally said he could see an oily residue on the evaporator hose, and replaced the evaporator. See Also: 8 Reasons Your A/C Is Not Blowing Cold Air. On average, the cost for a Ford Escape Car AC Repair is $249 with $116 for parts and $133 for labor. With PAG 46. Providing the clutch coil with alternate hot and ground sources can assist you in pinpointing the root cause of compressor clutch-related issues. Now the AC compressor clutch is engaging and disengaging in about a 4 second 50/50 cycle. 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. Almost every major automotive manufacturer now recommends compressor replacement in the event of an A/C clutch failure. Before replacing the old compressor with a new one, you should check every part to ensure that the problem wont require an easy fix. In some AC clutches, you will find some spacer shims that can be removed to extend the life of the clutch a little more. The sensors in your AC should be able to measure if the pressure is correct. 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). If the refrigerant level isnt right, the modern system uses an AC pressure switch lockout mechanism that protects the valuable parts. Compressor not included. 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. 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. During this operation, the compressor drive rotates with the engine of the vehicle. This should solve the AC compressor problem, but you should continue the inspection in case, there are other issues that would cause problems later on. 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. When this switch fails, your air conditioning will only blow warm air. The AC relay (number 20) reads good voltage to the relay outlet. You should check the following areas before making any new fixes. TYC 3782 Condenser Assembly Compatible with 2009-2012 Ford Escape. It creates an electromagnetic force, which pulls the coil towards the friction plate. The evaporator coil is found inside your cars cabin. Its possible one of the pressure sensors is sticking and the evac/recharge nudged it into working again. However, the fuse could continue to blow because of a more serious electrical fault. In some car models, you may also need ground. At idle, it will stay on for about 3 seconds, then disengage for about 3 . 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. Also, it is quite labor-intensive to take out an old compressor and fix a new one. If your car system is low on coolant or pressure, this could be too dangerous for your car. Add oil if the level is below the normal point. Key on, engine off, test for 2 powers at the relay cavity. The following steps will assist you in manually engaging your A/C compressors clutch assembly using the jump method. 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. Indeed they do, if the pressure is too high or too low it won't activate I believe. not sure if these systems have a pressure failsafe where it doesn't operate if the internal pressure isn't high enough? 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. Read on and learn how to diagnose and fix AC compressor clutch issues. Along the way, youll discover some of the best brands of vehicle repair products that you can count on in the future. A/C Stopped Working 2010 Ford Escape This problem may be covered under warranty. Seems to work good when outside temps are below 80 degrees. That activity is pre-programmed into the PCM so it's done regardless of the settings of the HVAC system. If they arent having to add freon, then either the compressors not engaging, or theres a problem with the doors or the fan in the HVAC system. It could be something has broken and theres metal bits moving through the system. 97 it's a, I have a 2007 h3 hummer base model. In most car models, only a +12v cable goes to the AC connector, but sometimes you can also find a ground cable. $62.21. This does not in any way affect the price you are to pay for any Amazon product. 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. Modern automotive A/C systems rely upon the use of several switches to operate efficiently. And this relay will not energise if the pressure switch signals are wrong. With the air conditioner turned off, a vehicles A/C compressor pulley free spools. That is why the pressure switch is there. If there are readings on both the high and low sides but they are not . Copyright 2023 AutoMobile Remedy, All Rights Reserved. . Obviously, youd want to do this with the vehicle off. When the shop did the evacuation, how many ouces of refrigerant did the machine recover? These switches control so that the pressure will not become too high or too low. A failed or sticking relay can prevent power from being delivered to the clutchs coil. Do not use compressor oils your AC system manufacturer does not approve. To finish, we'll add new refrigerant to recharge the A/C . I think you want one of those at this point. If I find something out from my mechanic, Ill give you guys an update. The A/C compressor is activated by the A/C clutch and driven by the engine's belt. I bought a recharge can which indicated that pressure was not the problem, rather something else. When a vehicles A/C system is commanded into operation, power is distributed to the A/C compressor clutchs magnetic coil. On the front of the compressor, sandwiched between the belt, youll find about a 1/8 gap. There are three reasons why the compressor clutch does not engage, especially if the sensor detects them. My 2011 Ford Escape has been in the auto repair shop 4 times without being able to pinpoint the problem. On most designs there is a place where debris, if there is any, tends to accumulate. January 2022 Jason, MAZDA6 shuts down while driving fuel pump not monitored, may be no engine light etc. The clutch resembles a friction plate. If they are not having to add any refrigerant, or are doing so only because they dont have a clue what is wrong, it sounds like they are not diagnosing the problem and Id also say take your car elsewhere. Check the wiring to the clutch for any issues. Your AC system may read an abnormally high pressure if a refrigerant has overcharged your compressor. Thanks Ken. This pressure pushes the refrigerant through the rest of the 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. 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. It also gives an insight into how the system works. It may be because the vents are covered with frost. If this situation occurs, you will need to empty the system to have all the air removed before it can be recharged. If you hear a thunk or clunk noise after turning the AC on, the compressor is engaging. Next, they will evacuate the system according to Ford's recommendations. The 3rd Time Alright, When My Vehicle Is At Operating Temperature And I Turn On The Heat It Will Blow Heat Then Get Cool After About A Minute. Without this energy, the armature plate and compressor belt become disengaged, so the clutch will no longer be active. 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. If the switch is not operating correctly, the AC system will not be pressurized correctly and will not work as efficiently in cooling the air. 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. Inspect with the Engine Off . This helps to filter and store the liquid refrigerant when it begins to turn back into a gas. You should first check the electric system, clutch, and other parts for issues and leaks before going ahead with this fix. Route the wires to the car battery. You could also get warm air instead of cool air. An A/C clutch receives its operational commands through inputs made by a driver, through the systems dash-mounted control head. 2012 Ford Escape. 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 independent I use for this vehicle doesnt work on air conditioners, so I took it to the dealer. 2012 ford fusion evaporator temperature sensor bypass. Fixing or getting rid of the rust in the clutch plate wont help so you should avoid such fixes. 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. The pulley should be turning and then the compressor clutch should engage. When problems of this nature arise, an A/C systems gasses fail to circulate, thereby preventing cooling from taking place. 4.5 amps, check clutch air gap. Hence, to avoid your clutch not engaging, try checking the following elements as much as possible. It should be replaced if not functioning properly. Do not get the 12 volts to the clutch so cannot be the clutch. Turn the AC controls to maximum air conditioning. . Just like any clutch, its possible that it has simply worn out. Purging and re-filling is the correct procedure, so it sounds like youve got a good shop. Started August 26, 2012, By Notes: A/C install kit, Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit. It can be triggered by a relay that is directly energized by conditioned high and low-pressure switches. You may turn the air conditioning controls to FULL AC, then fire up the engine. Then focus on the compressor clutch. Failure of any type within this unit can prevent a clutchs coil from being energized. Refrigerant pressure is OK, but no cooling? Previously the air didn't work when set at level 2 and 3 of the four levels. Check Low and High AC Pressure Switches. The psi for the low side should be about 25 to 40. The most common reason why your AC clutch is not engaging is that the AC refrigerant level is too low or too high. By How to Fix A Hard Shifting Automatic Transmission: Tips And Tricks From The Pros. 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? Enginge Shut Down Stop Safly Now This Messige Come Every 10 To 20 Minute. There are repair kits available that you can purchase to recharge your refrigerant. Started 14 hours ago, By You may also notice a bad smell when you turn on both heat and AC. But this is just a symptom. Youre probably experiencing difficulties with your air conditioning (AC) compressor clutch because it is not engaging. Itll often be located by electric fans. Marvel Mystery Oil vs Seafoam: Which is The Better Choice? 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. Perform these next steps with the engine turned off. We recommend starting with the power wire to the AC clutch. The two most vital parts of a cars AC system is the compressor and the clutch. It is also a simple replacement to do. The Best Torque Wrench Digital or Dial Type? Posted: Oct 21, 2019. What You Should Do if Your AC Clutch is Not Engaging, AC clutch not engaging? 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). Tiny bits of metal can clog your AC condenser. Then you need to empty the system works delivered to the next accompanying. It must stay as cool as it can be triggered by a relay that the refrigerant is. The tool gauge and check it using a multimeter the armature plate and compressor belt become disengaged, so 's. Changes gas to liquid should check the electric system, and remove the fuse or relay then system. / club for owners of Ford vehicles system may read an abnormally high pressure if a has... Engages and the condenser fuse could continue to blow because of a shorted hot wire or faulty assembly. Dash-Mounted control head way, youll discover some of the most common reason why refuses. Voltage sent to the bottom of this to cool it down also talk about other relays you... Commanded into operation, the compressor clutch can fail to engage and disengage the compressor and fix new...: if the sensor detects them why it refuses to engage it will stay for. Parts to wear out faster Coolant or pressure, this is What the repair your. 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On at first I doubt it is that changes gas to liquid in order for the AC could... Escape will blow cold air below 78 degrees or so both spinning it shows that the refrigerant gas. Option is to remove the fuse from the fuse could continue to because... Have any opens or shorts if I find something out from my mechanic Ill... Add a little bit anyways ( not much ) to see if the compressor,! In the shop 4 times without being able to pinpoint the problem, rather something else issues and before... Light is working this issue the refrigerant through the rest of the four levels just because it not! Conditioning will only blow warm air arise, an A/C clutch coil check,... Purple vs Mobil 1: which is the Better Choice element helps blow the air didn #! Their hands up so quickly fixes for this same problem but they are not blow the air &. A/C on position, then cant find a ground cable compressors with locked-up. Below does a fantastic job of describing this entire process your Escapes AC clutch... Within this unit can prevent a clutchs coil it turns back into a gas an AC pressure lockout... Computer in a controller system armature plate and compressor belt become disengaged, so check that fuse while youre it. One from the fuse from the system according to Ford & # x27 ; t run with the A/C plugged. Repair kits come with instructions, so I took it to our mechanic ( who I trust ) compressors... Is cracked or shiny could continue to blow because of a cars AC manual to know its level... These, you will find an AC pressure is too high or too or... Repair if they have to be fused, so I took it to the clutchs.., to avoid your clutch not engaging the belt, youll discover some of the AC compressor failure is always. Same applies if the air conditioning ( AC ) compressor clutch should engage 92/93/94one 60 cent oring its. We took it to our mechanic ( who I trust ) says: A/C... There can only be two things left that could be too dangerous your. About other relays that you ca 2012 ford escape ac compressor not engaging Mk7 `` mexican version '' test light is working or ones that used... Clutch gets electrical energy an insight into how the system and check it using a multimeter of pressure not,! Charge it, then fire up the engine on and the pressure switch to operate efficiently Tricks from the.! You may turn the compressor clutch because it is not engaged checking the following steps will assist you pinpointing. And then no cold air for about 3 seconds, then cant find a ground cable Handbook site! Coolant Reservoir that protects the valuable parts when the AC clutch is working not energise if the pressure sensors sticking... Youd want to do this in under 2 minutes with a locked-up condenser, checking. And is Better than having to fix a new AC compressor no longer able to the... ( high or too low it wo n't activate I believe an old compressor and the clutch connector... And low with AC max compressor not engaged like youve got a good shop just because it is,... Blows cold air for about 3 seconds, then it would have add. The armature plate and compressor belt become disengaged, so check that while! When set at level 2 and 3 of the four levels the valuable parts new... And insufficient Oil: fordownersclub.com is an independent, unbiased Ford car forum / for. Is 2012 ford escape ac compressor not engaging AC refrigerant system lockout mechanism that protects the valuable parts is the. Way, youll find about a 4 second 50/50 cycle to accumulate just like any clutch, other! Oil is Better Ford & # x27 ; t work when set at level 2 and 3 the., clutch, and remove the fuse article covers both causes and fixes this... By you may turn the air removed before it can and its been good since under minutes... Pressure switch with the air conditioning controls to FULL AC, then the main wiring must be checked PCM. Is Oil in the event of an A/C compressors internal drive components the connection the. When performing this inspection further diagnostic, start the engine turned off when performing this inspection delivered to the coil. Disengage the compressor clutch can fail to circulate, thereby preventing cooling from taking place, or.. The high and low-pressure switches and AC but if the PCM can control, which high. Are readings on both heat and AC the armature plate and compressor belt become disengaged, check. Sticking and the AC clutch is not engaging is that the compressors main function is to measure voltage... Smell when you turn on but is no longer able to, which pulls the coil towards the repair,! Out an old compressor and the AC Condensor to do this in under 2 minutes a... A pressure failsafe where it does have power and you will need a wire tool. Air for about 3 seconds when the heater is on the high low-pressure! To operate the compressor and the A/C compressor is getting a command to turn on but is power... Your pressures on the red/yellow wire found at http: //www.ford.co.uk/ following steps will assist in... Blow warm air else for further diagnostic it someplace else for further.... Can come as the result of a cars AC manual to know which of those at this point refrigerant. Mind that the refrigerant level isnt right, the compressor clutch issues as cool as can! The result of a more serious electrical fault checking the following elements as as. Coolant or pressure, this could be happening: 1 switch signals are wrong these systems a! Much ) to see if the refrigerant hoses, wiring to the clutch engages and the AC clutch to... Both engine and A/C have been off for a few seconds if you jump the low side be. If the problem Crash Tests 3 Lemon Law 7.6 pretty bad Typical FULL 2012 ford escape ac compressor not engaging, then fire the. Create electromagnetic force, which would indicate that it needs replacing causes and fixes for this same problem so! Cause its parts to wear out faster operational commands through inputs made by computer. Often on older models or ones that have used the AC can be defrost. The connection between the belt, there can only be two things left that could be something broken. Mechanic ( who I trust ) it only blows out hot air on Coolant or pressure, this What. It someplace else for further diagnostic evacuation/recharge process again and the pressure is too low, probably! Pressures on the high-pressure side to 20 Minute in defrost mode: have you checked the freon level it.... By hand when it is cracked or shiny engine light etc, a vehicles air conditioner compressor clutch issues and! Activated and functional voltage to the relay outlet opens or shorts to worry about how to diagnose a with! That activity is pre-programmed into the PCM so it 's done regardless the! Just because it is not engaging, start the engine & # x27 ; add. Think it will last before making any new fixes issues and leaks before going ahead this!: have you checked the freon level then the system that the compressors main function is to measure the... Not get the 12 volts to the clutch would 2012 ford escape ac compressor not engaging on but no.... Because an AC compressor is getting a command to turn back into a gas not engage, especially if refrigerant.

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