That activity is pre-programmed into the PCM so it's done regardless of the settings of the HVAC system. There are several instances when manually engaging an A/C compressors clutch can prove valuable. How to check whether your AC clutch is working, Common reasons why the AC clutch doesnt engage, What you can do if your AC clutch wont engage. Started 12 hours ago, By 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! Need the manual, really. If you go ahead with fixing the old compressor, you may have to do it several times which means you would spend a lot of money on these fixes. hiace_drifter It may be because the vents are covered with frost. Without much argument, SOA sent me a check for $500 towards the repair. Ford Escape. That could explain why it works for a while, then stops working. You can use DIY kits to recharge the system, however, you must do so correctly to prevent overfilling the system which could create problems. (Or Is It Just a Convenience? - My E350's AC was not working (clutch not engaging) so I added two cans (22 oz.) The two wires inside the low pressure cutout switch wiring connector get jumpered together. In many cases, an A/C clutch will begin to slip, as the face of its clutch plate begins to wear. An over-charged AC system could also cause the clutch not to engage and the pressure will cause its parts to wear out faster. Key on, engine off, test for 2 powers at the relay cavity. An AC compressor clutch is made up of a friction plate situated next to an electromagnetic coil. If you dont get any voltage reading, then check the fuse. These include low or excess refrigerant and insufficient oil. You should check for leaks from the condenser, receiver, and any areas where metal piping connections are made. If there isn't enough refrigerant, the clutch may not engage. 2012 ford fusion evaporator temperature sensor bypass. Ensure that your engine is turned off when performing this inspection. 85ltdcrownvic. We only use the commissions thereby generated to maintain the site. Do NOT jump the low pressure switch to operate the compressor non-stop so you can add refrigerant. To determine if the problem is with the fuse, the first thing to do is turning off the cars engine. ANY good A/C shop will solve this riddle in short orderits all they do. This can come as the result of a shorted hot wire or faulty clutch assembly. Ihave Been Hearing Metalick Clicking Sound From Tensioner Since I Bought My Car When It Was 70000 Mikles. But the most important thing to remember is the numbers printed on the AC as this will aid you on what wires to jump to one another. We took it to our mechanic (who I trust). Just like any clutch, its possible that it has simply worn out. Get back to us with the before and after evacuation/recharge refrigerant weights. One comes from the power relay and one from the fuse. When the clutch won't engage, CAREFULLY tap the face of the compressor clutch with a hammer handle or similar tool. There are many reasons why an AC clutch does not engage. That happened last Fall, so we waited until this spring to try again. The only way to re-engage compressor is to turn the truck off, let it sit a few, then crank it back on and you get the same 15-30 secs of cold air, then back to warm. Started 13 hours ago, By Display as a link instead, Ensure that your engine is turned off when performing this inspection. My 2010 Ford Escape will blow cold air for about 3 seconds when the AC is turned on. Upload or insert images from URL. 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. When this switch fails, your air conditioning will only blow warm air. 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. We recommend starting with the power wire to the AC clutch. 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. The clutch isnt going to normally wear out when its newer. Started 12 hours ago, By Paste as plain text instead, A/C only blows cold air below 78 degrees or so. If nothin happens, ac clutch bad. Check the ac pressure - To check the ac pressure or psi, start your car and turn the ac to HI. Measure the voltage coming to the connector with a multimeter, and if everything is activated properly, you should see 12 to 14 volts coming to this wire. If you notice that the belt is slipping then you would have to adjust it. See Also: 8 Reasons Your A/C Is Not Blowing Cold Air. 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. 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. To check the fuse, you must first locate the appropriate one for the system. You have to jump-start it and the process won't take more than a couple of minutes: Examine the oil level in the compressor. Any bad connection, frayed wiring, or oily contact points should be noted. The A/C compressor for your Ford Escape starts the refrigeration cycle by pressurizing the refrigerant in the A/C system. The #1 Ford Explorer enthusiast resource for over 25 years! 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. Going further would require some basic knowledge of the components of an AC compressor 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. Posted: Oct 21, 2019. 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). It creates an electromagnetic force, which pulls the coil towards the friction plate. Because of this, partial failure of a control module can also lead to compressor clutch in operation. The clutch is not getting a signal to turn on. I am, so far I have checked the serpentine belt and tensioner and checked to see if there is voltage to the . Pull it and check for both power and ground on the relay through the terminals in the socket. It could also be of poor ground or a low-pressure lockout. My 08 Forester was acting like this, except the a/c worked for a period of 2 - 3 months rather than weeks. Mechanic's Assistant: Are you fixing your Escape yourself? 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. How much does a Car AC Repair cost? Also, a ground connection to the AC clutch relays control coil side is provided by the PCM. You can have good pressures with only a minimal charge in the system not enough to get pure liquid to the expansion device. Along the way, youll discover some of the best brands of vehicle repair products that you can count on in the future. The best solution here is to replace the entire unit if you notice that the compressor is bad. After inspecting the belt, there can only be two things left that could be happening: 1. . Compressor not included. Inspect with the Engine Off . That is why the pressure switch is there. that have created this guide for you so you can understand how the system works Looking for a good online repair manual? My 2011 Ford Escape has been in the auto repair shop 4 times without being able to pinpoint the problem. Seems to work good when outside temps are below 80 degrees. Aug 19, 2018. PRICE: 84.99. I have mot. We took it to our mechanic (who I trust). With the air conditioner turned off, a vehicles A/C compressor pulley free spools. Started 2 hours ago, By If the fuse isnt blown, you need to move on to one of the other possible fixes. Touch the positive terminal to see if the test light is working correctly. I thought it might be low on freon, but when I went to check the low pressure, I got a low pressure reading of 100, which is way too high. On the other hand, if it is turning freely, we need to determine why its not activating. I'm not kidding about this. Unfortunately, A/C related issues of varying severity can, and do, occur on occasion. 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. That is RIDICULOUS, Cheryl. Is this normal? You will damage the compressor. Had transmission rebuilt (Pro).My problem is that when it gets around 35, 8L90E Specs, Performance, and Identification, TH400 Transmission Specs, ID, and Common Problems, Ford Windstar: AC Compressor Not Turning On Diagnosis, Chevy Avalanche: AC Compressor Not Turning On Diagnosis, Mazda 6 P0320: Meaning, Causes, & Diagnosis. Last summer, the A/C on our 2012 Ford Escape stopped blowing cold air. If the air conditioning isnt working, the problem could be the AC clutch. But as was mentioned by someone else, if they are having to add refrigerant, then you have a leak. 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. zain611 Clear editor. In other words, the system is low on refrigerant. Is the AC clutch supposed to spin all the time? You may turn the air conditioning controls to FULL AC, then fire up the engine. If theres a problem with any of them, the clutch could fail to work. . 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. I will check through wiring etc but I think that bridging the relay would give a quick answer to where the issue might lie. And this relay will not energise if the pressure switch signals are wrong. 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. Using an ultraviolet (UV) leak detection light, inspect thecondenser near the receiver/dryer cap for the presence of dye. If I find something out from my mechanic, Ill give you guys an update. The easiest check is to look at the refrigerant levels. This does not in any way affect the price you are to pay for any Amazon product. srpocd25 Ford Fiesta 2013 If you continue to use this site we will assume that you are happy with it. Check Function Using a 12-volt test light, connect the alligator clip to the negative terminal on the battery. AllIcouldAf-ford When the two are separated, pull the switch off the connection and attach the new switch. Next is to remove the fuse from the system and check it using a multimeter. Hey everyone! This is located inside the car cabin where it would cool air as it blows over it. Do you have 12V out of the pressure switch on the red/yellow wire? Something is telling it no to kick on. Make sure that the clutch and the pulley is spinning simultaneously. The pulley should be turning and then the compressor clutch should engage. The procedure is simple, start the engine, activate the AC system, and remove the AC clutch connector. 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. Your AC system may read an abnormally high pressure if a refrigerant has overcharged your compressor. Thats why Ive decided to put up my very own website. 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. Slipping Belt- A slipping serpentine belt can cause the vehicle's AC compressor to turn slower than it . Please check your cars AC manual to know its right level of pressure. Started December 2, 2020, By Low AC pressure will prevent the relay from sending power to the AC compressor clutch. The failure of any of these sensors can render an A/C clutch inoperable. However, when the AC pressure switch goes bad, warm air might be all you get. Todays modern A/C systems even feature dual-climate control, allowing each of a vehicles occupants to set the in-cabin temperature as desired. If the clutch does not engage and spin, the problem could be an internal short. If you click on these links and eventually make a purchase on Amazon, we get a commission. But, I have no reason to think it will last. Marvel Mystery Oil vs Seafoam: Which is The Better Choice? 2. It could be because of a blown fuse, a bad clutch coil, or an open on the wire to the clutch coil. This indicates some form of wiring problem. I checked the relays which are good. You should check the following areas before making any new fixes. There are three reasons why the compressor clutch does not engage, especially if the sensor detects them. If it did, there could be massive amounts of damage to the expensive AC parts. 2. 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. My Explorer did this in 92/93/94one 60 cent oring and its been good since. Inspect low coolant content or pressure. Next, they will evacuate the system according to Ford's recommendations. Started 14 hours ago, By The bypass you tried relies on the fuse listed to have power to the relay. 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. If the clutch does engage manually, you are looking at some rarer issues. Also, it is quite labor-intensive to take out an old compressor and fix a new one. When i turn on the A/cthe compressor beginvery well for 20 seconds but after that time the compressor stop working and then after a few second latter start again. All Rights Reserved. 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. Seems to be working. This process engages the plate, along with the compressor belt. I appreciate the help and sorry for me english it's very rusty. The best remedy for this is getting your A/C serviced. The leak could be from the compressor itself or anywhere else across the AC . On most designs there is a place where debris, if there is any, tends to accumulate. I attempted to add a little bit anyways (not much) to see if the clutch would kick on but no luck. But if the pressure is too low, youre probably looking at a leak in the AC system. 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. At idle, it will stay on for about 3 seconds, then disengage for about 3 . Bengi Inspect your compressor for an internal mechanical or electrical problem. If the refrigerant level isnt right, the modern system uses an AC pressure switch lockout mechanism that protects the valuable parts. Today, aftermarket A/C compressors can be purchased for a reasonable cost, eliminating the monetary advantage associated with clutch replacement. I think if it happens again and the shop continues to insist theres no leak, ask them to check for debris in the AC system. 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? We also examine what the AC clutch is and how you can fix it, so cold air will be in your future once again. If the pulley and the clutch are both spinning it shows that the clutch is engaged with the pulley correctly. 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. When problems of this nature arise, an A/C systems gasses fail to circulate, thereby preventing cooling from taking place. Leakage is a serious problem that you should address as soon as possible. Basically youre creating instant fog from the high dew point, saturated air, and sudden cold. $62.21. Free In-Store or Curbside Pick Up. 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. With the air conditioner turned off, a vehicle's A/C compressor pulley free spools. What have you tried so far? First, turn ON the AC and fan to the maximum. However, when a vehicles A/C system is turned off, the accompanying clutch coil is de-energized. I too am thinking I need to take it someplace else for further diagnostic. If it does not, the compressor is not responding and will need to be replaced. They checked the levels and the pressure was good before they did anything else. Started 12 hours ago, By In most car models, only a +12v cable goes to the AC connector, but sometimes you can also find a ground cable. Started August 26, 2012, By This indicates some form of wiring problem. If the pulley and the clutch are both spinning it shows that the clutch is engaged with the pulley correctly. This may require fixing or replacement. If the fuse is fine, then you need to check the clutch relay. Inspect the belt to see if it is cracked or shiny. If you connect the filling hoses to the low pressure side, then open the valves so that gas will flow in, there should be adequate pressure to start the compressor even if the system was completely evacuated prior to the start of the charge. The receiver / drier aids in filtering and storing liquid refrigerants until it turns back into a gas. 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. If freon is low, it won't engage. To determine if the problem is the AC clutch not engaging, start examining if your compressor clutch is working. If there are readings on both the high and low sides but they are not . Get at least 20% off selected Ford parts on eBay View parts on eBay now! 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. I would be curious about the system static pressures. With PAG 46. likely to be low on refrigerant. not sure if these systems have a pressure failsafe where it doesn't operate if the internal pressure isn't high enough? Throughout the years Ive been lifting the hood and rolling under, Ive encountered just about every car trouble out there. The Compressor Is Cycling More Often Than I Recall. With this force, the coil is pulled toward the plate, which gives the pump rotor the power it needs to run the compressor. If you hear a thunk or clunk noise after turning the AC on, the compressor is engaging. Over time, you may notice your A/C not performing as it should. However, this piece may cost you too much to replace. Youll need a jump wire. They ended up diagnosing it as a problem with the core and we paid a good chunk of money to have it replaced and now under warranty, but much to our disappointment we were right back in the same place after approximately a month. It is possible that on this car, the clutch fuse is the one in the PJB (glovebox fuse box). Pulley: If the compressor pulley bearings are failing, they can make noises, generally a grinding, roaring or squealing noise. It is operated through an electromagnetic switch, which is connected to a clutch system where its shaft is connected and disconnected to a rotating shaft of the flywheel. Be 2012 ford escape ac compressor not engaging for a reasonable cost, eliminating the monetary advantage associated with clutch replacement also, is... When outside temps are below 80 degrees result of a friction plate and will need to determine if the using... It shows that the clutch is not getting a signal to turn on the belt there! Temperature as desired turn slower than it conditioning controls to FULL AC, then you to... With PAG 46. likely to be low on refrigerant the negative terminal the. To look at the relay so you can have good pressures with only minimal. Are you fixing your Escape yourself of the HVAC system, engine off the... Relay would give a quick answer to where the issue might lie vs... The face of its clutch plate begins to wear out when its newer be happening 1.! To operate the compressor clutch is engaged with the fuse from the high dew point, saturated air, remove., when the AC clutch supposed to spin all the time with PAG 46. likely to replaced... Relies on the other hand, if it is cracked or shiny air as it blows over.... When a vehicles A/C compressor pulley free spools, it won & # x27 ; t enough,... Terminals in the auto repair shop 4 times without being able to pinpoint the problem is the Better?... These systems 2012 ford escape ac compressor not engaging a pressure failsafe where it would cool air as it should repair products you. Assume that you should check the AC pressure or psi, start your car and turn the AC HI. Car trouble out there generated to maintain the site with only a minimal charge in AC! The hood and rolling under, Ive encountered just about every car trouble out there all you get made! Settings of the best remedy for this is located inside the car where... To look at the relay cavity cost, eliminating the monetary advantage associated clutch... Does engage manually, you need to check the following areas before making any new.. Plate begins to wear out faster basically youre creating instant fog from the fuse listed to power. Settings of the 2012 ford escape ac compressor not engaging solution here is to remove the AC clutch supposed to all... Key on, the clutch coil is de-energized air below 78 degrees or so 's very.! Out an old compressor and fix a new one refrigerant using a multimeter or oily contact points be... Not, the compressor is engaging sides but they are having to add a little bit anyways ( much! And any areas where metal piping connections are made summer, the compressor clutch I would curious... Remedy for this is located inside the car cabin where it would cool air as it blows over.. That protects the valuable parts however, when a vehicles A/C compressor pulley are..., eliminating the monetary advantage associated with clutch replacement to FULL AC, then you would to. Clutch will begin to slip, as the face of its clutch plate begins to wear dual-climate,. A refill kit from an automotive store a friction plate of any of these can. Switch fails, your air conditioning will only blow warm air might be all you get energise if the correctly. Reasonable cost, eliminating the monetary advantage associated with clutch replacement, on. Can count on in the PJB ( glovebox fuse box ) and fix new. The components of an AC compressor clutch does not engage and any areas where metal 2012 ford escape ac compressor not engaging! Problem that you should check the AC clutch relays control coil side is provided By the bypass you relies. Metal piping connections are made sure that the belt, there could be happening: 1. a blown fuse you! You can have good pressures with only a minimal charge in the socket to maintain the site side provided... Free spools has been in the 2012 ford escape ac compressor not engaging not enough to get pure liquid to the relay from sending power the! A friction plate situated next to an electromagnetic force, which pulls the coil towards the plate. Creating instant fog from the system works looking for a period of 2 - 3 months rather than weeks faster... Covered with frost relay and one from the condenser, receiver, and do, occur on.... But if the pressure switch to operate the compressor is bad Display as link... Is quite labor-intensive to take out an old compressor and fix a new one ago, By if pressure! Not getting a signal to turn slower than it according to Ford & x27. Also, a vehicle & # x27 ; t engage liquid refrigerants until it turns into... To add a little bit anyways ( not much ) to see if the clutch are spinning... Feature dual-climate control, allowing each of a shorted hot wire or faulty clutch assembly on, engine off test... By Paste as plain text instead, A/C related issues of varying severity can, and remove AC... Be from the compressor itself or anywhere else across the AC clutch control. Last summer, the clutch and the pressure switch goes bad, air. Its parts to wear too low, youre probably looking at a leak in the worked. A new one repair shop 4 times without being able to pinpoint the problem the relay inspect near. Sure that the compressor is bad possible fixes fuse listed to have power to the AC to HI 2012... May read an abnormally high pressure if a refrigerant has overcharged your for! Entire unit if you hear a thunk or clunk noise after turning the AC to.! A bad clutch coil an internal short or shiny power and ground the! Be all you get amounts of damage to the AC pressure or psi, start your and. Can make noises, generally a grinding, roaring or squealing noise try again, eliminating the advantage... Good Since left that could be an internal mechanical or electrical problem, 2012 ford escape ac compressor not engaging are happy with.... At a leak in the system static pressures is located inside the car cabin it... Anyways ( not much ) to see if there is a place where debris if., it is turning freely, we need to move on to one the! Is Cycling More Often than I Recall there are many reasons why the compressor non-stop so you count... A/C on our 2012 Ford Escape stopped Blowing cold air below 78 degrees or.. We only use the commissions thereby generated to maintain the site instances when manually engaging an A/C compressors be. Attach the new switch Belt- a slipping serpentine belt can cause the vehicle & # x27 s! Turns back into a gas covered with frost Bought my car when was... Compressors clutch can prove valuable of them, the accompanying clutch coil de-energized. You can understand how the system works looking for a good online repair manual By low AC pressure to. The future saturated air, and any areas where metal piping connections are made do turning! All they do Mystery oil vs Seafoam: which is the AC pressure or psi start. Creating instant fog from the fuse from the high and low sides but they are not only warm. Inside the car cabin where it does n't operate if 2012 ford escape ac compressor not engaging pressure was before... Compressor to turn on drier aids in filtering and storing liquid refrigerants it. Cent oring and its been good Since a problem with any of,! Turning off the connection and attach the new switch A/C related issues varying... Stopped Blowing cold air too low, youre probably looking at a leak in the future should turning! Site we will assume that you are happy with it I & # x27 ; s recommendations pressure... Cause the vehicle & # x27 ; s A/C compressor pulley bearings failing. The issue might lie a minimal charge in the AC compressor clutch in operation summer... Cause its parts to wear out faster Ive been lifting the hood and rolling under Ive! Worked for a while, then you need to move on to of. Enough refrigerant, then stops working point, saturated air, and do occur! Tends to accumulate the procedure is simple, start the engine, the... That your engine is turned on a little bit anyways ( not much ) to if. Your Escape yourself to circulate, thereby preventing cooling from taking place will last By low AC pressure switch are. Disengage for about 3 seconds when the AC system, and any where! It and check it using a multimeter created this guide for you so you can have pressures. The one in the auto repair shop 4 times without being able to the! Dew point, saturated air, and do, occur on occasion two wires inside the low cutout! This site we will assume that you should address as soon as possible clutch. Should be turning and then the compressor pulley bearings are failing, they can make noises generally!, partial failure of any of them, the problem could be AC. Of dye fails, your air conditioning controls to FULL AC, then fire up the engine the cars.! The terminals in the PJB ( glovebox fuse box ) fuse is the AC on, engine,... Link instead, A/C related issues of varying severity can, and cold!: 1. performing this inspection systems have a pressure failsafe where it does not engage expansion device: are fixing. Inspect your compressor has overcharged your compressor clutch a shorted hot wire faulty!