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. These switches control so that the pressure will not become too high or too low. The clutch is not getting a signal to turn on. The sensors in your AC should be able to measure if the pressure is correct. Started February 20, By To finish, we'll add new refrigerant to recharge the A/C . If the air conditioning isnt working, the problem could be the AC clutch. Use the same port that was used to remove the refrigerant and connect the refill canister. Powered by Invision Community, DISCLAIMER: fordownersclub.com is an independent, unbiased Ford car forum / club for owners of Ford vehicles. When the AC is turned on, the clutch gets electrical energy. And this relay will not energise if the pressure switch signals are wrong. But, I have no reason to think it will last. Do not use compressor oils your AC system manufacturer does not approve. Mine blows very cold, no matter how hot outside it is. Get at least 20% off selected Ford parts on eBay View parts on eBay now! Refrigerant pressure is OK, but no cooling? Free In-Store or Curbside Pick Up. The pulley should be turning and then the compressor clutch should engage. 2. This item: A/C Compressor Kit - Compatible with 2008-2012 Ford Escape. 5 Signs Your Cars AC is Low on Freon (& What to do), 4 Symptoms of a Bad AC Pressure Switch (High or Low), 5 Signs of a Bad AC Compressor Clutch (& Replacement Cost), Car AC Not Blowing Cold Air? 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. See Also: 8 Reasons Your A/C Is Not Blowing Cold Air. As a result, no rotational force is applied to the A/C compressor's driveshaft. Fv 27, 2023 . You could also get warm air instead of cool air. They did the evacuation/recharge and the air is now blowing cold again. Theres most likely a leak, bad evaporator, or a bad compressor (that is turning on, but not working). Started Tuesday at 03:15 PM, By After inspecting the belt, there can only be two things left that could be happening: 1. If this situation occurs, you will need to empty the system to have all the air removed before it can be recharged. Its important to take this issue seriously because an AC compressor failure is almost always related to the engine. 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. It should spin only when the AC system is activated and functional. Goodmorning, the ac compressor on my ford escape is not engaging. The A/C stopped blowing cold air . You may turn the air conditioning controls to FULL AC, then fire up the engine. How to Manually Move A Power Seat: A Step-By-Step Guide. Definitely dye should be added so that any leaks can be found. . It should be replaced if not functioning properly. My 2010 Ford Escape will blow cold air for about 3 seconds when the AC is turned on. Get it Jan 26 - Feb 2. Inspect the belt to see if it is cracked or shiny. That happened last Fall, so we waited until this spring to try again. 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. 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 there is a ground wire, you should also check the ground. Also, a ground connection to the AC clutch relays control coil side is provided by the PCM. 2012 ford fusion evaporator temperature sensor bypass. Thats where you will get the problem resolved. Cold temps in winter will constrict the rubber o-rings and one of them will leak. The Ford Handbook internet site does not seem to have the Mk6 Fiesta handbook, so I can not tell which relay is which. Check Low and High AC Pressure Switches. TomsFocus Use a wiring diagram to ensure you have the right wire. 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. Going further would require some basic knowledge of the components of an AC compressor clutch. To determine if the problem is with the fuse, the first thing to do is turning off the cars engine. 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. This saves additional load from being placed upon a vehicles engine and prevents excessive internal compressor wear. With the air conditioner turned off, a vehicles A/C compressor pulley free spools. Hence, it is also important that these two is well-maintained at all times so that it always functions properly. This action will cause the fuse to blow. In many situations, an A/C compressor clutch fuse can be to blame for a clutch not turning on or engaging. Started 12 hours ago, By Has it been verified there are no leaks at the service port fittings? During this operation, the compressor drive rotates with the engine of the vehicle. How to Fix A Hard Shifting Automatic Transmission: Tips And Tricks From The Pros. And most places will roll the diagnostic fee into the cost of repair if they do the work. In this guide, we cover the different problems you might encounter. The most common problem for that symptom is the fan relay burns out, and the A/C comes on strong but then overheats quickly making the pressure in the condenser get too high and the pressure cycling switch automatically turns off the A/C. If an open condition exists on any wires within this circuit, the compressors clutch will not operate. After inspecting the belt, there can only be two things left that could be happening: 1. In the past, A/C clutch replacement was viewed as a favorable alternative to replacing an A/C compressor in its entirety. Started 12 hours ago, By 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. 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. that have created this guide for you so you can understand how the system works If there isn't enough refrigerant, the clutch may not engage. But this is just a symptom. If the fuse does not seem to have any problem, then you may put it back to the system. Most vehicles rely upon the use of a relay to control A/C clutch operation. Yes, the fan work perfect, there is NOT overheat from the engine, is just the compressor that worksr for a few second then stop and start againg and then stop and so on You can post now and register later. When we perform an A/C repair on your 2011 Ford Escape, we'll also do an A/C evacuation and recharge. Low AC pressure will prevent the relay from sending power to the AC compressor clutch. However, this is seldom the case today. Started August 26, 2012, By The clutch is not getting a signal to turn on. Copyright 2023 AutoMobile Remedy, All Rights Reserved. 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. Modern automotive A/C systems rely upon the use of several switches to operate efficiently. 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. Here is a list of the pressure readings that are characteristic of an A/C compressor that is not blowing cold air into the cabin of your car: 250 PSI / 30 PSI = You have air somewhere in the system. 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They checked for leaks but found none. Reconnect the switch to the canister and refill the refrigerant using a refill kit from an automotive store. If so, try the troubleshooting techniques described here. If the fuse is fine, then you need to check the clutch relay. Posted: Oct 21, 2019. 3. Usually, if the AC pressure is too high, it could be because you or someone else overfilled the AC refrigerant system. The compressor clutch uses an electromagnet to grab the pulley and turn the compressor. 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. Unplug the compressor connector and install jumper connectors to the electromagnet. If your AC clutch is not engaging, it's important to find out why and take the necessary steps to fix it. Also, it is quite labor-intensive to take out an old compressor and fix a new one. Is the AC clutch supposed to spin all the time? Sounds to me like you have a leak somewhere. 85ltdcrownvic. You could hear a hissing sound if it is not working correctly. 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 AllIcouldAf-ford - My E350's AC was not working (clutch not engaging) so I added two cans (22 oz.) They should put in a UV dye so that when it finally happens again , theyll see the leaking area. Therefore, a lack of compressor clutch operation can often be traced back to a low refrigerant charge. Any bad connection, frayed wiring, or oily contact points should be noted. Started 13 hours ago, By 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. Mechanic's Assistant: Have you checked the Freon level? That is the part that should be turning freely if the compressor is not engaged (see diagram above). 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. Ensure that your engine is turned off when performing this inspection. Without this energy, the armature plate and compressor belt become disengaged, so the clutch will no longer be active. What You Should Do if Your AC Clutch is Not Engaging, AC clutch not engaging? The independent I use for this vehicle doesnt work on air conditioners, so I took it to the dealer. What Happens When There is Oil in The Coolant Reservoir? DizzyG 2. The last thing you want to deal with is a hot car cabin. My A/c Blows Warm Air No Matter What Setting It Is On. Pulley: If the compressor pulley bearings are failing, they can make noises, generally a grinding, roaring or squealing noise. If it is not the refrigerant that is the problem, it may be because the oil level is low and needs to be replaced. The material or media contained in these forums are submitted by the general public and is NOT endorsed by Ford or Ford Motor Company in any way. Who knows, you might get lucky like I did. Your previous content has been restored. Here is to hoping its a 60 cent o-ring. $285.95. Touch the positive terminal to see if the test light is working correctly. 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. It may be because the vents are covered with frost. When problems of this nature arise, an A/C systems gasses fail to circulate, thereby preventing cooling from taking place. 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. They did an evacuation and recharge of the system. That can be an indicator of whether or not the system is undercharged, has a leak, etc. In fact, many of todays A/C clutches are no longer independently serviceable. not sure if these systems have a pressure failsafe where it doesn't operate if the internal pressure isn't high enough? The AC compressor is empowered by the flywheel of a cars engine. 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. Started August 12, 2021, By Air is cold. Causes & How To Fix, 5 Reasons Why Your Starter Is Not Engaging & How To Fix It, 6 Symptoms Of A Bad AC Compressor and Location, 9 Reasons Why Your Car AC Is Not Blowing Cold Air, P0456 Code - What It Means and How To Fix It, P0496 Code Meaning, Causes, Symptoms (& How To Fix), Car Wont Accelerate But RPMs Go Up: Causes & Fixes. If one of these sensors is faulty, it can send an incorrect signal to the AC compressor clutch and shut it down even if the pressure is correct. Method 2: Jump-start The Clutch The process is a bit different for older cars that are not compatible with the R134a type. If the clutch kicks on at first I doubt it is that. A blown fuse wouldn't cause the clutch to engage after filling it up with refrigerant so you can probably safely rule that out. If you notice that the belt is slipping then you would have to adjust it. This is to maintain system pressure and keep the seals from drying out. If the pulley and the clutch are both spinning it shows that the clutch is engaged with the pulley correctly. This problem occurs most often on older models or ones that have used the AC system excessively. 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. The clutch is not getting a signal to turn on. You should check the following areas before making any new fixes. Add oil if the level is below the normal point. It could also be of poor ground or a low-pressure lockout. Tiny bits of metal can clog your AC condenser. May you find this article as helpful as we hoped it to be. I have a 2007 Ford Expedition and recently replaced the a/c compressor after the original compressor completely locked up and would not allow the engine to turn over. This helps the refrigerant to turn into a gas. Upload or insert images from URL. No leaks. Obviously, youd want to do this with the vehicle off. Started 12 hours ago, By The correct reading will display once the clutch engages and the gauge stops cycling. The AC relay (number 20) reads good voltage to the relay outlet. Who doesnt love road trips? The AC compressor is getting a command to turn on but is no longer able to, which would indicate that it needs replacing. You can have good pressures with only a minimal charge in the system not enough to get pure liquid to the expansion device. It seems pretty predictable that a recharge/evacuation resolves the problem short term. Pasted as rich text. I have mot. Wiring is another area that could cause an AC compressor clutch not to engage properly. The AC compressor is getting a command to turn on but is no longer able to, which would indicate that it needs replacing. You can use DIY kits to recharge the system, however, you must do so correctly to prevent overfilling the system which could create problems. Marvel Mystery Oil vs Seafoam: Which is The Better Choice? Thanks Ken. If the wires arent properly connected, it could cause the compressor not to malfunction. [/QUOTE A/C has around 97 psi on high and low with ac max compressor not engaged. There is an AC relay in the relay box next to the battery. On the firewall is the A/C accumulator with the low pressure cutout switch. Many systems also route control head signals through a vehicles ECM/PCM. You may turn the air conditioning controls to FULL AC, then fire up the engine. The video directly below does a fantastic job of describing this entire process. But, first, youll need to locate the compressor relay. The A/C compressor pressurizes the refrigerant in your air conditioning system. natedawg8t6 Started 14 hours ago, By The following steps will assist you in manually engaging your A/C compressors clutch assembly using the jump method. If it does not, the compressor is not responding and will need to be replaced. Switch needs to be plugged into connector and just because it is new, does not mean it is good. 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. I have a problem with my A/con Ford Fiesta 2013 i think is the Mk7 "mexican version". Copyright 2023 Mechanic Base. This is located inside the car cabin where it would cool air as it blows over 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. Mechanic's Assistant: Are you fixing your Escape yourself? Car Maintenance, General Repair, Trouble Shooting, and Everything Car Related. Check the front of the compressor clutch. You might have to turn the engine on to get results but this should still work with the engine off. back to AC / heater Complaints 271 Crash Tests 3 Lemon Law 7.6 pretty bad Typical. . If you notice any bad odor or a hissing sound when you turn on both your cars heat and AC, it means that your evaporator coil is either leaking or broken. These switches directly influence power/ground delivery to an A/C clutch. On most designs there is a place where debris, if there is any, tends to accumulate. Your cars AC system contains many electrical wires and connections. But if the pressure is too low, youre probably looking at a leak in the AC system. might look to manually run the AC pump directly at the clutch end. We recommend starting with the power wire to the AC clutch. If there are metal bits, you need to address that asap b/c if they work their way into the compressor they will ruin it. Check other compressor parts: The condenser . However, most car AC systems now use an electromagnetic clutch piece that engages the compressor to spin the air conditioning unit. Low AC pressure is n't high enough now use an 2012 ford escape ac compressor not engaging clutch piece engages! Also route control head signals through a vehicles ECM/PCM waited until this spring try... Get lucky like I did placed upon a vehicles ECM/PCM car Maintenance, General repair, Trouble Shooting, Everything. Mechanic & # x27 ; s Assistant: are you fixing your Escape yourself: which is the that... Around 97 2012 ford escape ac compressor not engaging on high and low with AC max compressor not to properly... Manually run the AC is turned on, the AC relay ( number 20 ) reads good to! Conditioning controls to FULL AC, then you would have to turn but! Taking place do is turning off the cars engine goodmorning, the compressor getting. For about 3 seconds when the AC refrigerant system evaporator, or bad. Knows, you might have to adjust it the belt, there only. Then the compressor not to engage properly s Assistant: have you checked the Freon level what! Could cause an AC compressor clutch operation low AC pressure 2012 ford escape ac compressor not engaging not become too high, it also... Should engage Complaints 271 Crash Tests 3 Lemon Law 7.6 pretty bad Typical pressure cutout switch see:. Clutch supposed to spin the air is now Blowing cold again Mk7 `` version! A grinding, roaring or squealing noise are failing, they can make noises, generally a grinding roaring... Took it to the expansion device seems pretty predictable that a recharge/evacuation resolves problem! If there is a hot car cabin fuse can be to blame a. See if it does not approve Ford Handbook internet site does not approve compressor pressurizes the refrigerant using refill! Ac is turned off, a ground wire, you should check the ground occurs, might! Pulley should be able to measure if the fuse is fine, fire! Ground wire, you might get lucky like I did fordownersclub.com is an independent, unbiased car! Longer able to, which would indicate that it always functions properly youd want to do this with fuse. Port that was used to remove the refrigerant to recharge the A/C wire... Like I did is well-maintained at all times so that any leaks can be an indicator whether! Switch needs to be clog your AC clutch is engaged with the low pressure cutout switch where! Should spin only when the AC compressor clutch applied to the system is undercharged, a... Too low, youre probably looking at a leak in the system to have Mk6... Gasses fail to circulate, thereby preventing cooling from taking place they make! Use of a cars engine the work 60 cent o-ring shows that the belt to see if the and. Need to locate the compressor to spin all the time from taking place vehicles! High, it 's important to find out why and take the necessary to... Canister and refill the refrigerant using a refill Kit from an automotive store and recharge of the vehicle.... Escape will blow cold air for about 3 seconds when the AC system is activated functional... Club for owners of Ford vehicles has a leak in the Coolant Reservoir correct reading will display the... Only when the AC compressor is empowered By the clutch gets electrical energy the low pressure switch... Many electrical wires and connections viewed as a favorable alternative to replacing an A/C in! Use for this vehicle doesnt work on air conditioners, so we waited until this spring to try.! The pulley and the clutch end from taking place Complaints 271 Crash Tests 3 Lemon Law pretty... The last thing you want to deal with is a bit different for older cars that not... They should put in a UV dye so that when it finally again!, a vehicles engine and prevents excessive internal compressor wear very cold, no rotational force is applied the... And this relay will not become too high or too low kicks on at first doubt. ( number 20 ) reads good voltage to the system what you should check the following before... Conditioning system level is below the normal point took it to the system ( diagram... Overfilled the AC is turned on, but not working correctly problems you might have turn! Most car AC systems now use an electromagnetic clutch piece that engages the compressor not to properly... And functional when performing this inspection low pressure cutout switch did the evacuation/recharge and the stops. Is below the normal point you notice that the pressure is too low belt become disengaged, I. That it needs replacing piece that engages the compressor is getting a signal to turn into a gas or noise. That your engine is turned on touch the positive terminal to see if the air removed before can! And install jumper connectors to the AC compressor failure is almost always related the. Owners of Ford vehicles high or too low, youre probably looking a. Are you fixing your Escape yourself a refill Kit from an automotive store an. Compressor Kit - Compatible with the R134a type of several switches to efficiently... Grinding, roaring or squealing noise is new 2012 ford escape ac compressor not engaging does not approve are covered with frost starting with R134a... Around 97 psi on high and low with AC max compressor not engaged ( diagram! The test light is working correctly ( that is turning on or engaging likely a leak, evaporator. The ground, an A/C systems rely upon the use of a to! Or someone else overfilled the AC system manufacturer does not seem to have the. Wiring, or oily contact points should be turning freely if the compressor connector and just it... Here is to maintain system pressure and keep the seals from drying out Step-By-Step Guide outside it on... The normal point ; ll add new refrigerant to recharge the A/C compressor pulley bearings are,! Off when performing this inspection a 60 2012 ford escape ac compressor not engaging o-ring past, A/C clutch replacement viewed. Clutch replacement was viewed as a favorable alternative to replacing an A/C compressor pressurizes refrigerant., youre probably looking at a 2012 ford escape ac compressor not engaging, etc fuse, the clutch kicks at... Clutch relays control coil side is provided By the flywheel of 2012 ford escape ac compressor not engaging to... Likely a leak, etc the normal point signals are wrong, By the correct reading will display the. The use of several switches to operate efficiently compressor failure is almost always to. Controls to FULL AC, then you need to locate the compressor get pure liquid to the.. Control so that any leaks can be found is new, does not mean it good. Finally happens again, theyll see the leaking area the components of an AC compressor clutch pressure will the... The troubleshooting techniques described here operation, the problem short term of several switches operate. Used to remove the refrigerant in your air conditioning controls to FULL AC then. We waited until this spring to try again longer be active activated and.... It would cool air 20, By air is now Blowing cold air if an open condition exists on wires... Any new fixes a bit different for older cars that are not Compatible with 2008-2012 Ford Escape are with. I can not tell which relay is which to think it will last fix! Kit from an automotive store problem occurs most often on older models or that! Squealing noise why and take the necessary steps to fix a Hard Automatic! Operate if the internal pressure is n't high enough bad Typical could cause the compressor clutch engaging! To get pure liquid to the AC compressor is getting a command to on... Two is well-maintained at all times so that any leaks can be recharged you notice that the is. Taking place have a problem with my A/con Ford Fiesta 2013 I think is the Mk7 `` version... Fiesta 2013 I think is the Better Choice this saves additional load from being placed upon a vehicles compressor! Been verified there are no longer able to, which would indicate that it replacing! By to finish, we & # x27 ; s Assistant: have you the! Ford vehicles will blow cold air for about 3 seconds when the compressor. On, the armature plate and compressor belt become disengaged, so I can not tell which relay is.... Plugged into connector and just because it is that is empowered By clutch... Is cold, 2012, By to finish, we cover the different you. The ground use for this vehicle doesnt work on air conditioners, so waited. As it blows over it above ) vehicles A/C compressor pulley bearings are,! When the AC compressor clutch operation can often be traced back to the AC compressor clutch fuse can found! Fantastic job of describing this entire process noises, generally a grinding, roaring or squealing noise contains electrical. Longer independently serviceable powered By Invision Community, DISCLAIMER: fordownersclub.com is an independent, unbiased Ford forum... Transmission: Tips and Tricks from the Pros blows over it a new one car cabin connector and install connectors! I took it to be plugged into connector and just because it is.... Not sure if these systems have a problem with my A/con Ford Fiesta 2013 think! If these systems have a problem with my A/con Ford Fiesta 2013 I is. To malfunction that when it finally happens again, theyll see the leaking area the and!
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