the receiver/dryer is running short of liquid. Also, its important that you replace the fuse with the appropriate amperage. He has been working as a car mechanic for over 10 years, and the majority of them specialized in advanced car diagnostics and troubleshooting. Need the manual, really. Martian. Read Also: Symptoms of a Bad A/C Expansion Valve, Salvage Title vs Rebuilt Title (What's the Difference? FluffyBunnyFlipFlops If the pulley and the clutch are both spinning it shows that the clutch is engaged with the pulley correctly. This troubleshooting guide should help you fix any problem in a matter of minutes. The following are several of the most common causes of an inoperable fan A/C compressor clutch. 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? Make sure that you are loading it with an oil that is matches your compressor. After inspecting the belt, there can only be two things left that could be happening: 1. Ford Escape AC Compressor Not Engaging: How to Check and Fix. Today, aftermarket A/C compressors can be purchased for a reasonable cost, eliminating the monetary advantage associated with clutch replacement. TYC 3782 Condenser Assembly Compatible with 2009-2012 Ford Escape. Mechanic's Assistant: What year is your Escape? It may just be that the belt cant turn the compressor anymore. What, if anything, could I try to diagnose? July 21, 2016 in Ford Fiesta Club. One wire should be attached to the negative battery terminal, while the other touches the positive side. 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. January 2022 Jason, MAZDA6 shuts down while driving fuel pump not monitored, may be no engine light etc. If there is a ground wire, you should also check the ground. Need to fix your car's air conditioner? When the engine is on. ANY good A/C shop will solve this riddle in short orderits all they do. 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. Cooling, Heating, Ventilation & A/C - AC Compressor clutch cycles on & off? Thank you so much for the feedback thus far. Being on this page means that youre having issues with your Ford AC compressor clutch and/or your AC blows warm air instead of a cool breeze. You can use DIY kits to recharge the system, however, you must do so correctly to prevent overfilling the system which could create problems. 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? It may be because the vents are covered with frost. Definitely dye should be added so that any leaks can be found. If you found out that the problem is because of an overcharged compressor, then drain the refrigerant with a discharged valve that is located near the gauge. Using an ammeter, check Gray/White wire for current draw at A/C clutch coil connector. How do I manually engage my AC compressor clutch? You may turn the air conditioning controls to FULL AC, then fire up the engine. Whenever you want to use the air conditioning in your car, all you have to do is to activate the clutch compressor. You can try disconnecting the low pressure switch and bridging the connector , run engine briefly with air con on and see if compressor engages. Started 15 hours ago, By I'm not kidding about this. 1861cp Along the way, youll discover some of the best brands of vehicle repair products that you can count on in the future. Thanks Ken. SEE, I think it's a 15 pin plug and two wires change on the plug fro 95 to. The condenser, expansion valve and . But as was mentioned by someone else, if they are having to add refrigerant, then you have a leak. 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. Above that, it only blows out hot air. 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 a system were to be overcharged with refrigerant, the high pressure switch will naturally disable clutch operation. The AC relay (number 20) reads good voltage to the relay outlet. You can jump-start the clutch to see if it will get moving manually. Options. Just wondering if you ever found a fix??? 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If it is not the refrigerant that is the problem, it may be because the oil level is low and needs to be replaced. Stephen Interior Leave a comment 7,609 Views. that have created this guide for you so you can understand how the system works Do it somewhere quiet. I think you want one of those at this point. Plenty enough to get it to engage. Do not use compressor oils your AC system manufacturer does not approve. Antonsd Royal Purple vs Mobil 1: Which Engine Oil is Better? 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 . 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. (2012 - 2023) Ford Fusion Battery Sizes & Specs (2006 - 2023) Ford Ranger Battery Sizes & Specs (2000 - 2023) That is RIDICULOUS, Cheryl. 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. 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. Wiring is another area that could cause an AC compressor clutch not to engage properly. On a very humid day, especially if the outdoor temps arent that high, I often see this when the air cycles back on. Here is to hoping its a 60 cent o-ring. Once the compressor clutch is engaged, a current flow moves through the electromagnetic coil. Seems to work good when outside temps are below 80 degrees. It can also be due to a failed clutch coil, which will cause the clutch coil to fail to engage at all. When the A/C is activated, the A/C compressor clutch locks to provide power to the compressor. Looking for a good online repair manual? Now that you have manually given the AC compressor a command to turn on, it should turn on. If you have an account, sign in now to post with your account. The AC compressor clutch is a major part of the automotive air conditioning system. When the shop did the evacuation, how many ouces of refrigerant did the machine recover? It is also a simple replacement to do. You may check your ACs user manual for specifications. 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. Powered by Discourse, best viewed with JavaScript enabled, A/C stops working on 2012 Ford Escape 2-3 weeks after recharge/evacuation. These include your Fuse, Coolant or Refrigerant, and Compressor Oil. Thanks for that, yeah I just need to quickly test to see where the system might be having issues - not planning to run it longer than a few seconds really. The compressor relies on the oils in the coolant to lubricate and cool down the mechanical parts. 2012 Ford Escape 3.0 last week my AC went out! This does not in any way affect the price you are to pay for any Amazon product. It could also slip at times, leading to erratic operations. That activity is pre-programmed into the PCM so it's done regardless of the settings of the HVAC system. If so, try the troubleshooting techniques described here. Its located next to an electromagnetic coil. Checking in the engine bay for some fuses I have 2 fuses in total behind the battery - I cannot find any literature as to what they are but I am guessing one is the starter motor and the other might be the headlights etc. 3. 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Unfortunately, A/C related issues of varying severity can, and do, occur on occasion. You will know that something is wrong with the AC system if something in it is not working properly. 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. . You may also work with a car diagnostic tool that scans an issue with a vehicle. Over time, you may notice your A/C not performing as it should. Posted: Oct 21, 2019. If you turn the AC off, the clutch loses its electrical energy. 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. (4 Causes and How to Fix), Does Cruise Control Actually Save Gas? They did the evacuation/recharge and the air is now blowing cold again. Dec 25, 2006. 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. If current draw is 2.5. And most places will roll the diagnostic fee into the cost of repair if they do the work. My 2010 Ford Escape will blow cold air for about 3 seconds when the AC is turned on. To determine if the problem is the AC clutch not engaging, start examining if your compressor clutch is working. What are the reasons why your AC clutch is not engaging, and how can you fix it? This article covers both causes and fixes for this issue. [/QUOTE A/C has around 97 psi on high and low with ac max compressor not engaged. The clutch is not getting a signal to turn on. Jiffy Lube Vs. Valvoline Oil Change: Differences & Which Is Better. Thats where you will get the problem resolved. It could also be of poor ground or a low-pressure lockout. Certified Automotive Diagnostic Technician. When the weather is hot, you want to know that your car AC is going to work the way it should. We only use the commissions thereby generated to maintain the site. Is it possible for it to be leaking but to have the pressure check out OK? Youre probably experiencing difficulties with your air conditioning (AC) compressor clutch because it is not engaging. A/C only blows cold air below 78 degrees or so. When we perform an A/C repair on your 2011 Ford Escape, we'll also do an A/C evacuation and recharge. One comes from the power relay and one from the fuse. These switches directly influence power/ground delivery to an A/C clutch. If it is not freely moving, then its a pretty strong indication that the compressor is locked up and needs replacing. Todays modern A/C systems even feature dual-climate control, allowing each of a vehicles occupants to set the in-cabin temperature as desired. 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. Mark helpful 55,895 Tracy answered 8 years ago Touch the positive terminal to see if the test light is working correctly. There are three reasons why the compressor clutch does not engage, especially if the sensor detects them. Started 2 hours ago, By Heres how to about diagnosing why your AC is not turning on in your Ford Escape: As stated above, your Escapes AC compressor may be turned by the serpentine belt that turns all of the engine accessories. A vehicles air conditioner compressor clutch serves as the make/break point for power distribution to an A/C compressors internal drive components. Without this energy, the armature plate and compressor belt become disengaged, so the clutch will no longer be active. 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. Inspect the belt to see if it is cracked or shiny. The pulley should be turning and then the compressor clutch should engage. 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. 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. It could even be missing entirely without you noticing if it is an independent belt. You may turn the air conditioning controls to FULL AC, then fire up the engine. When the clutch won't engage, CAREFULLY tap the face of the compressor clutch with a hammer handle or similar tool. Ask your Ford dealer. Sounds to me like you have a leak somewhere. We use cookies to ensure that we give you the best experience on our website. This is called diagnosing and fixing the problem. 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. There are shops that specialize in A/C systems. Let it bleed until it reaches the right level of pressure. Inspect the harness to make sure that it doesnt have any opens or shorts. If thats the case, jump to this article: Ford Escape AC Not Blowing Cold. They should put in a UV dye so that when it finally happens again , theyll see the leaking area. Look closely and observe the front part of your clutch. We took it to our mechanic (who I trust). Make sure that the clutch and the pulley is spinning simultaneously. When this coil is engaged, current moves through it to create electromagnetic force. Use special gauges to determine if the system has too little or too much refrigerant. They repeated the same evacuation/recharge process again and the A/C started working again. Compressors are expensive. 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. 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. With time, a compressors clutch assembly can begin to show its age. This action will help your compressor maintain its good workings. When the engine is on and the AC is on high, low pressure readings should be around 30 psi and the high pressure side should be about 250 psi depending on your car. Dan - Did you ever get to the bottom of this? laumk7 Check the ac pressure - To check the ac pressure or psi, start your car and turn the ac to HI. Clear editor. Debris in the system will quickly plug the tiny orifices in the system. 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. It may even be illegal to do it yourself where you live. Many systems also route control head signals through a vehicles ECM/PCM. PRICE: 84.99. I checked the compressor and the clutch will engage for those first couple seconds and then stop completely. 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. Started Tuesday at 12:48 PM, Ford Owners Club If there are two belts, theyll both be attached at the crank pulley. Instead, you might need a new pressure switch, replace a bad fuse or fix an electrical connection. You could hear a hissing sound if it is not working correctly. Check the front of the compressor clutch. 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