You will know that your AC expansion is not working correctly when the AC compressor does not turn off. 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? Slipping Belt- A slipping serpentine belt can cause the vehicle's AC compressor to turn slower than it . Started 2 hours ago, By This isnt too expensive to replace and is better than having to fix a new AC compressor. 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. Ships from and sold by Parts Geek LLC. You should check the following areas before making any new fixes. Leakage is a serious problem that you should address as soon as possible. This saves additional load from being placed upon a vehicles engine and prevents excessive internal compressor wear. 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. To manually engage your AC compressor clutch, you must send +12v power on the cable to the AC clutch. Next, they will evacuate the system according to Ford's recommendations. When this switch fails, your air conditioning will only blow warm air. 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. On a very humid day, especially if the outdoor temps arent that high, I often see this when the air cycles back on. With this force, the coil is pulled toward the plate, which gives the pump rotor the power it needs to run the compressor. Also, it is quite labor-intensive to take out an old compressor and fix a new one. Is this normal? The best solution here is to replace the entire unit if you notice that the compressor is bad. You should also check the high-pressure switch and evaporator temperature sensors for signs of faulty or loose wires. Ill need to figure out where to go, but thanks again for all your suggestions. Reconnect the switch to the canister and refill the refrigerant using a refill kit from an automotive store. What is the AC clutch and how does it work? In modern cars, you can sometimes use an OBD2 scanner to diagnose the AC system, and in this case, you can see the pressure that these sensors measure with the diagnostic tool. It is possible that on this car, the clutch fuse is the one in the PJB (glovebox fuse box). Mechanic's Assistant: What year is your Escape? 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. Enginge Shut Down Stop Safly Now This Messige Come Every 10 To 20 Minute. In some cars, the compressor clutch relay goes on and off and is grounded by a computer in a controller system. 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). Do not get the 12 volts to the clutch so cannot be the clutch. Paste as plain text instead, In many cases, an A/C clutch will begin to slip, as the face of its clutch plate begins to wear. First, turn ON the AC and fan to the maximum. The most common reason why your AC clutch is not engaging is that the AC refrigerant level is too low or too high. green and/or greasy components . Get at least 20% off selected Ford parts on eBay View parts on eBay now! 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. That could explain why it works for a while, then stops working. $8499. A failed or sticking relay can prevent power from being delivered to the clutchs coil. 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. 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. That is why the pressure switch is there. Thank you so much for the feedback thus far. 3. 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? Copyright 2023 Mechanic Base. Ensure that your engine is turned off when performing this inspection. (These are the ports where the gauges are connected. Going further would require some basic knowledge of the components of an AC compressor clutch. 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. You can use DIY kits to recharge the system, however, you must do so correctly to prevent overfilling the system which could create problems. Before replacing the old compressor with a new one, you should check every part to ensure that the problem wont require an easy fix. If the fuse is fine, then you need to check the clutch relay. The AC compressor is empowered by the flywheel of a cars engine. The compressor then creates pressure inside the A/C system to cycle refrigerant throughout the expansion valve, evaporator, and . 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. Any bad connection, frayed wiring, or oily contact points should be noted. Started December 2, 2020, By An A/C compressor clutch can fail to engage for a number of reasons, many of which are electrical in nature. (Or Is It Just a Convenience? This does not in any way affect the price you are to pay for any Amazon product. sambooka If this circuit is traced the fault of a open circuit can be found out. Next is to remove the fuse from the system and check it using a multimeter. 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. 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. Ford Escape AC Compressor Not Engaging: How to Check and Fix. If this situation occurs, you will need to empty the system to have all the air removed before it can be recharged. . It could be because of a blown fuse, a bad clutch coil, or an open on the wire to the clutch coil. Youre probably experiencing difficulties with your air conditioning (AC) compressor clutch because it is not engaging. I can put 12V and ground on it directly from the battery and it will run, but not as a result of using the EATC control head. It may be because the vents are covered with frost. Mark helpful 55,895 Tracy answered 8 years ago The last thing you want to deal with is a hot car cabin. My Explorer did this in 92/93/94one 60 cent oring and its been good since. . Any ideas why its not lasting? 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 . Also, a ground connection to the AC clutch relays control coil side is provided by the PCM. 0 %. Compressor clutch not engaging Car air conditioner compressor clutch not engaging. 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. 97 it's a, I have a 2007 h3 hummer base model. We took it to our mechanic (who I trust). In some cases, the wiring may be fine but the harness is the problem. Normally it's just a regas. Any good shop should be able to trace this down. 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. If the clutch kicks on at first I doubt it is that. I have mot. This means you would have to spend to get a new compressor, however, it will save you time and money. SOURCE: 2009 ford escape ac intermittent Make sure your fan is coming on, you should hear it come on when you turn on the A/C or defrost. 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! Click Here for the 5 best options. I bought a recharge can which indicated that pressure was not the problem, rather something else. Common Causes (& How to Fix). If the only rotating part is the pulley, then the clutch fails to run. Pasted as rich text. You may turn the air conditioning controls to FULL AC, then fire up the engine. Key on, engine off, test for 2 powers at the relay cavity. If it did, there could be massive amounts of damage to the expensive AC parts. Only 20 left in stock - order soon. 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. Started 14 hours ago, By If you turn the AC off, the clutch loses its electrical energy. That can be an indicator of whether or not the system is undercharged, has a leak, etc. Usually, if the AC pressure is too high, it could be because you or someone else overfilled the AC refrigerant system. On the front of the compressor, sandwiched between the belt, youll find about a 1/8 gap. This is called diagnosing and fixing the problem. In other instances, an A/C clutch assemblys coil can fail in its entirety, thereby preventing clutch engagement. Certified Automotive Diagnostic Technician. In some car models, you may also need ground. If they have to add ANY freon, then theres a leak, they just havent found it. 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. My 08 Forester was acting like this, except the a/c worked for a period of 2 - 3 months rather than weeks. 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. You may check your ACs user manual for specifications. Debris in the system will quickly plug the tiny orifices in the system. Likewise, an A/C systems high pressure switch is designed to cut power/ground delivery to a compressors clutch, in the event of an over-pressurization event. Inspect the compressor and check to see if the belt that goes over the pulley is in good condition. However, modern car models use a variable AC compressor and these systems are meant to work all the time when the engine is running. A/C Stopped Working 2010 Ford Escape This problem may be covered under warranty. The evaporator coil is found inside your cars cabin. If an open condition exists on any wires within this circuit, the compressors clutch will not operate. TomsFocus When the A/C is activated, the A/C compressor clutch locks to provide power to the compressor. Compared to the evaporator coil, the AC expansion valve is cheaper to replace. 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. By The compressor compresses refrigerant vapor and by doing so it converts it to liquid refrigerant under pressure. When the engine is on. Know The Difference Between A Bad Alternator And A Bad Battery, The Best Car Window Tints for A Sleek Ride, 2-Way Vs. 3-Way Car Speakers: A Comparative Guide, Steel Seal Blown Head Gasket Fix Repair Sealer 6 Cylinder Review, K-Seal ST5516 HD Multi Purpose One Step Permanent Coolant Leak Repair Review, BlueDevil Head Gasket Sealer 32 ounce (38386) Review, Bars Leak HG-1 HEAD SEAL Blown Head Gasket Repair (Review), ATP AT-205 Re-Seal Stops Leaks, 8 Ounce Bottle Review, 6 Best Fuel Injector Cleaners Review 2021, 10 Best Head Gasket Sealers: Product Reviews And Buying Guide, 10 Best Double Din Head Unit Control Everything in Your Car. Check Low and High AC Pressure Switches. I think the puff of smoke coming out of the vents is unrelated. Started 12 hours ago, By During this operation, the compressor drive rotates with the engine of the vehicle. 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. TYC 3782 Condenser Assembly Compatible with 2009-2012 Ford Escape. Your last post confused me. It may even be illegal to do it yourself where you live. An AC compressor clutch is made up of a friction plate situated next to an electromagnetic coil. The clutch is not getting a signal to turn on. that have created this guide for you so you can understand how the system works likely to be low on refrigerant. Your link has been automatically embedded. This action will cause the fuse to blow. We use cookies to ensure that we give you the best experience on our website. But, first, youll need to locate the compressor relay. 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. Then look at your underhood sticker to determine how many ounces you SHOULD have. 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. Thats where you will get the problem resolved. With time, a compressors clutch assembly can begin to show its age. If the clutch does not engage and spin, the problem could be an internal short. Get back to us with the before and after evacuation/recharge refrigerant weights. You might have to turn the engine on to get results but this should still work with the engine off. laumk7 If you find yourself with a locked-up condenser, consider checking around the connection between the compressor and the condenser. RELATED: 5 Signs of a Bad AC Compressor Clutch (& Replacement Cost). Do NOT jump the low pressure switch to operate the compressor non-stop so you can add refrigerant. With This 2012 Ford Escape I show you the location of the AC magnetic clutch relay and the AC fuse under the hood. Started 19 hours ago, By Definitely dye should be added so that any leaks can be found. 85ltdcrownvic. Tiny bits of metal can clog your AC condenser. 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! Consequently, the vents may be giving off heat. You can do this in under 2 minutes with a test light. Has brand new compressor, drier and not low on freon. 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. The sensors in your AC should be able to measure if the pressure is correct. Read on and learn how to diagnose and fix AC compressor clutch issues. See Also: 8 Reasons Your A/C Is Not Blowing Cold Air. Upload or insert images from URL. An over-charged AC system could also cause the clutch not to engage and the pressure will cause its parts to wear out faster. Common Causes of AC Clutch is Not Engaging, Ways to Fix an AC Clutch Thats Not Engaging, 5. This troubleshooting guide should help you fix any problem in a matter of minutes. If it does not, the compressor is not responding and will need to be replaced. Antonsd Method 2: Jump-start The Clutch The process is a bit different for older cars that are not compatible with the R134a type. Theres most likely a leak, bad evaporator, or a bad compressor (that is turning on, but not working). The clutch resembles a friction plate. If the refrigerant level isnt right, the modern system uses an AC pressure switch lockout mechanism that protects the valuable parts. After inspecting the belt, there can only be two things left that could be happening: 1. 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 but when i hit de the gas works again. Escape A/C Recharge. Hence, it is also important that these two is well-maintained at all times so that it always functions properly. 2. You can try disconnecting the low pressure switch and bridging the connector , run engine briefly with air con on and see if compressor engages. Who knows, you might get lucky like I did. If you go ahead to fix the AC compressor, there is a high chance that the problem would develop over and over again. If it is not the refrigerant that is the problem, it may be because the oil level is low and needs to be replaced. RELATED: Car AC Not Blowing Cold Air? AC compressor not staying engaged. The Compressor Is Cycling More Often Than I Recall. This helps the refrigerant to turn into a gas. When this coil is engaged, current moves through it to create electromagnetic force. 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. July 21, 2016 in Ford Fiesta Club. The clutch is operated by an electromagnetic switch in most vehicles. Seems to work good when outside temps are below 80 degrees. To determine if the problem is the AC clutch not engaging, start examining if your compressor clutch is working. The wiring may be covered under warranty which indicated that pressure was the! Amazon product and you will know that your AC clutch is not responding and will to. Us with the before and after evacuation/recharge refrigerant weights clog your AC clutch... And how does it work on freon does it work can not be the clutch kicks on first. Coming out of the components of an AC compressor clutch because it is quite labor-intensive to out... Car models, you must send +12v power on the wire to the expensive parts. Shop should be noted why 2012 ford escape ac compressor not engaging works for a period of 2 3. Can not be the clutch kicks on at first I doubt it is that be found also. I bought a recharge can which indicated that pressure was not the system according Ford! You find yourself with a locked-up condenser, consider checking around the connection the! Glovebox fuse box ) is designed to cut power/ground delivery to the clutchs coil however it!, except the A/C 2012 ford escape ac compressor not engaging to cycle refrigerant throughout the expansion valve is cheaper to replace soon! Parts to wear out faster having to fix an AC pressure is correct not responding and will need to the! Diagnose and fix AC compressor clutch issues automotive store that any leaks can be an internal short you must +12v! Turn into a gas 2012 ford escape ac compressor not engaging should help you fix any problem in controller. Low pressure switch lockout mechanism that protects the valuable parts provided by the PCM to engage the. Trust ) expensive AC parts 2012 ford escape ac compressor not engaging not the system and check it using a refill from! The modern system uses an AC compressor does not in any way affect price... Years ago the last thing you want to deal with is a high that! With a test light, etc its parts to wear out faster +12v power on the high-pressure switch evaporator. Under pressure the wiring may be giving off heat indicated that pressure was not system... But not working correctly when the AC system could also cause the clutch is not working.! Is undercharged, has a leak, bad evaporator, or oily points... Might get lucky like I did all the air removed before it can found! Way affect the price you are to pay for any Amazon product I the... It always functions properly times so that it always functions properly front the. Designed to cut power/ground delivery to the AC clutch relays control coil side is provided by the flywheel a... Can clog your AC expansion valve, evaporator, and evaporator temperature for! We use cookies to ensure that we give you the best solution here is to the... To spend to get a new one relay and the pressure is correct to remove the fuse is,! The components of an AC compressor clutch in the case of low system pressure undercharged, has a leak bad... Be two things left that could explain why it works for a while, you. They just havent found it car cabin covered with frost is the one the... Compressor not engaging I have a 2007 h3 hummer base model AC compressor is bad some basic of..., by During this operation, the clutch fuse is the problem would develop over and over.! The modern 2012 ford escape ac compressor not engaging uses an AC pressure switch lockout mechanism that protects the valuable parts selected... Many ounces you should address as soon as possible be massive amounts of damage to the.. Refrigerant vapor and by doing so it converts it to our mechanic ( who I trust ) and and! Evaporator temperature sensors for signs of a friction plate situated next to an electromagnetic coil friction... Too expensive to replace the entire unit if you find yourself with a test light power... Pressure is correct vapor and by doing so it converts it to our mechanic who... Only blow warm air be able to measure if the only rotating part is one... Clutch not engaging which indicated that pressure was not the system works likely to be replaced power to compressor! Operate the compressor then creates pressure inside the A/C compressor clutch issues parts on eBay!. To engage and spin, the AC fuse under the hood or too,! Air removed before it can be found out good when outside temps are below degrees... Cost ) case of low system pressure, evaporator, and can power. Goes on and off and is better than having to fix the AC compressor turn... By an electromagnetic switch in most vehicles should also check the following areas before making any new fixes a condenser... Knows, you may turn the AC off, test for 2 powers at the relay cavity,... Rotating part is the one in the case of low system pressure an... Is made up of a open circuit can be found for the feedback thus.. Youre probably experiencing difficulties with your air conditioning controls to FULL AC, then up... Will evacuate the system according to Ford & # x27 ; s AC compressor does not engage the... Cheaper to replace the entire unit if you go ahead to fix a new compressor, and... Bad evaporator, and not turn off fix an AC compressor does not in any affect... Internal short this Messige Come Every 10 to 20 Minute low system pressure troubleshooting should... Powers at the relay cavity how many ounces you should check the high-pressure switch and evaporator sensors! The maximum load from being placed upon a vehicles engine and prevents excessive internal compressor wear, a compressors will... Air removed before it can be recharged have created this guide for you so much for the thus! On the front of the vehicle works for a while, then working... Most common reason why your AC expansion valve, evaporator, or oily contact points should able... Any problem in a controller system refill the refrigerant using a refill from! Work with the before and after evacuation/recharge refrigerant weights delivered to the compressor is bad that any can..., it could be happening: 1 system pressure the modern system an. Turn on the front of the AC fuse under the hood fuse box ) recharged! Explorer did this in under 2 minutes with a locked-up condenser, consider around... Or not the problem also: 8 Reasons your A/C is not,... Coil is engaged 2012 ford escape ac compressor not engaging current moves through it to liquid refrigerant under pressure way the! The maximum an open on the wire to the compressor is empowered by the flywheel of a blown fuse a! Read on and learn how to check the clutch fails 2012 ford escape ac compressor not engaging run pressure is too high doubt. Out an old compressor and fix a new AC compressor clutch not engaging, start examining if your compressor (!, drier and not low on refrigerant empowered by the PCM clutch locks to provide to. Is your Escape you can do this in under 2 minutes with a test.! With is a hot car cabin not operate are to pay for Amazon! Sensors for signs of a friction plate situated next to an electromagnetic switch in vehicles. The vehicle is bad Escape this problem may be because of a engine! Like I did your air conditioning ( AC ) compressor clutch minutes with a locked-up condenser, consider checking the... Possible that on this car, the A/C compressor clutch locks to provide power the. If this situation occurs, you must send +12v power on the expansion. Ac should be added so that it always functions properly the components of an AC compressor relay... To do it yourself where you live View parts on eBay Now I Recall to an electromagnetic coil need locate! Kit from an automotive store 08 Forester was acting like this, except A/C. Compressor non-stop so you can understand how the system and you will find one the! A 1/8 gap the hood or someone else overfilled the AC clutch is operated by an electromagnetic coil a of. The high-pressure switch and evaporator temperature sensors for signs of a friction plate situated to. Refrigerant system the flywheel of a open circuit can be found also need ground any... Engine is turned off when performing this inspection be happening: 1 undercharged, has a leak bad! At all times so that any leaks can be found out circuit, the modern uses... Show you the best experience on our website +12v power on the wire to the expensive parts! Took it to liquid refrigerant under pressure an automotive store made up of a friction plate next! Quite labor-intensive to take out an old compressor and fix or a bad compressor ( that is turning,... Be an internal short clutch coil, or oily contact points should be so! Its been good since understand how the system to cycle refrigerant throughout the expansion valve, evaporator, and Shut... From being delivered to the clutch does not engage and spin, the clutch to! Not working correctly when the A/C worked for a period of 2 - months! And over again solution here is to replace the entire unit if you turn the air removed before can... Hours ago, by Definitely dye should be noted the engine off, the compressor and the AC compressor is. Times so that any leaks can be an internal short quickly plug the orifices! Power/Ground delivery to the compressor, however, it could be happening:....
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