The Best Torque Wrench Digital or Dial Type? Started 2 hours ago, By There is a high chance that your compressor would have an internal mechanical or electrical problem that needs to be fixed. Many systems also route control head signals through a vehicles ECM/PCM. This article covers both causes and fixes for this issue. Copyright 2023 Mechanic Base. Modern automotive A/C systems rely upon the use of several switches to operate efficiently. 4.5 amps, check clutch air gap. 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. It seems pretty predictable that a recharge/evacuation resolves the problem short term. Upload or insert images from URL. Get a click, we can start troublshooting wires. Started Tuesday at 03:15 PM, By Look closely and observe the front part of your clutch. Aug 19, 2018. Murray Compressor - New - 58035. You may also work with a car diagnostic tool that scans an issue with a vehicle. 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. If it has blown, your only option is to replace it. If an open condition exists on any wires within this circuit, the compressors clutch will not operate. That activity is pre-programmed into the PCM so it's done regardless of the settings of the HVAC system. When problems of this nature arise, an A/C systems gasses fail to circulate, thereby preventing cooling from taking place. The Ford Handbook internet site does not seem to have the Mk6 Fiesta handbook, so I can not tell which relay is which. My 08 Forester was acting like this, except the a/c worked for a period of 2 - 3 months rather than weeks. You could also get warm air instead of cool air. My 2010 Ford Escape will blow cold air for about 3 seconds when the AC is turned on. You should check the following areas before making any new fixes. ), P2004 Code: IMRC Issue (Symptoms, Causes, and Fixes). It may be because the vents are covered with frost. 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 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. Add oil if the level is below the normal point. You could get a digital multimeter and check the voltage and then check the ground at the removed connector. 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. Started 14 hours ago, By Switch needs to be plugged into connector and just because it is new, does not mean it is good. Many modern-day cars are built with AC clutches that turn on and off using high and low-pressure switches and compressor oil levels through the fuse. Is this normal? The A/C compressor is activated by the A/C clutch and driven by the engine's belt. 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. First, turn ON the AC and fan to the maximum. thanks for the reply guys, this is what the repair manual says:Check A/C Clutch Coil Current Draw. This should solve the AC compressor problem, but you should continue the inspection in case, there are other issues that would cause problems later on. After inspecting the belt, there can only be two things left that could be happening: 1. Bypass the 3 wire AC pressure switch through B1 to B4. the receiver/dryer is running short of liquid. 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. (Radiator fan). This is called diagnosing and fixing the problem. We recently bought a 2012 Escape as well and have run into what sounds like the same problem. 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. To perform this step, you would connect the wire to the clutch directly to the battery. The video directly below does a fantastic job of describing this entire process. They did the evacuation/recharge and the air is now blowing cold again. 5 Best Fire Extinguisher For Cars Be Ready For Fire Emergencies. Providing the clutch coil with alternate hot and ground sources can assist you in pinpointing the root cause of compressor clutch-related issues. If the wires arent properly connected, it could cause the compressor not to malfunction. RELATED: 4 Symptoms of a Bad AC Pressure Switch (High or Low). No, if the Freon level is too low, it will not engage the AC clutch. Powered by Invision Community, DISCLAIMER: fordownersclub.com is an independent, unbiased Ford car forum / club for owners of Ford vehicles. Copyright 2023 AutoMobile Remedy, All Rights Reserved. Just driving to nowhere alone, with your friends, or your . If the fuse isnt blown, you need to move on to one of the other possible fixes. 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. Started August 26, 2012, By 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. Click Here for the 5 best options. We took it to our mechanic (who I trust). What have you tried so far? You can also examine this for noise and smell issues. Looking for a good online repair manual? There are three reasons why the compressor clutch does not engage, especially if the sensor detects them. Failure of any type within this unit can prevent a clutchs coil from being energized. Clear editor. The exact cause of such issues also tends to vary slightly from one model of vehicle to the next. The best solution here is to replace the entire unit if you notice that the compressor is bad. Whenever you want to use the air conditioning in your car, all you have to do is to activate the clutch compressor. Started 12 hours ago, By 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. With time, a compressors clutch assembly can begin to show its age. Another reason could be a relay that the PCM can control, which interprets high and low-pressure sensors condition. Started 14 hours ago, By Something else is the problem. The most common reason why your AC clutch is not engaging is that the AC refrigerant level is too low or too high. If your AC clutch is not engaging, it's important to find out why and take the necessary steps to fix it. There are many reasons why an AC clutch does not engage. RECALLS! Its possible one of the pressure sensors is sticking and the evac/recharge nudged it into working again. Get it Jan 26 - Feb 2. In many cases, an A/C clutch will begin to slip, as the face of its clutch plate begins to wear. The Ac Works Ok After A Little While On, But Not Like It Use To. The easiest way to diagnose a problem with the AC clutch is to measure the voltage sent to the clutch coil. TomsFocus A vehicles A/C system stops the summer swelter in its tracks, replacing it instead with a comforting chill. Check Low and High AC Pressure Switches. 37 % of the time it's the. Inspect the compressor and check to see if the belt that goes over the pulley is in good condition. 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. The independent I use for this vehicle doesnt work on air conditioners, so I took it to the dealer. Who doesnt love road trips? 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. Normally it's just a regas. Instead, you might need a new pressure switch, replace a bad fuse or fix an electrical connection. If it engages, the clutch gap is too wide. 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. My 2011 Ford Escape has been in the auto repair shop 4 times without being able to pinpoint the problem. If there are two belts, theyll both be attached at the crank pulley. Im Stephen and Ive been an auto mechanic for over a decade now. Some 2015-2018 F-150 and 2017-2018 F-Super Duty vehicles may exhibit a lack of cooling from the heating ventilation air conditioning (HVAC) system due to a low refrigerant charge. This action will cause the fuse to blow. . To finish, we'll add new refrigerant to recharge the A/C . However, if the clutch is engaging but the AC isnt cold, then there could be a leak in the AC system. Its possible to have too little or too much refrigerant causing the problem. If you noticed that your AC compressor clutch wont engage no matter how hard you try, then youve got mild to serious possible problems on your hands. Started December 2, 2020, By -or-. So, to know the exact operating pressure on the high-pressure side of your AC system, it is best to check the user manual. Fix an Air Conditioning Not Working Video. Even with the key off, treat them like they can still come on. Ill also update when I get a resolution to the problem. Make sure that the clutch and the pulley is spinning simultaneously. If I find something out from my mechanic, Ill give you guys an update. [/QUOTE A/C has around 97 psi on high and low with ac max compressor not engaged. Route the wires to the car battery. With This 2012 Ford Escape I show you the location of the AC magnetic clutch relay and the AC fuse under the hood. And this relay will not energise if the pressure switch signals are wrong. Goodmorning, the ac compressor on my ford escape is not engaging. The compressor compresses refrigerant vapor and by doing so it converts it to liquid refrigerant under pressure. . The A/C stopped blowing cold air shortly after that. This isnt too expensive to replace and is better than having to fix a new AC compressor. Powered by Discourse, best viewed with JavaScript enabled, A/C stops working on 2012 Ford Escape 2-3 weeks after recharge/evacuation. 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. Youll need a jump wire. Read on and learn how to diagnose and fix AC compressor clutch issues. If the pulley and the clutch are both spinning it shows that the clutch is engaged with the pulley correctly. When this takes place, cabin temperatures skyrocket, as discomfort takes hold. During the intense summer heat, few vehicle features are as beloved by the average motorist as air conditioning. Thats why Ive decided to put up my very own website. Turn the AC controls to maximum air conditioning. However, if you notice that is worn, then it would have to be replaced. 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 most important connection is the 12v+ power wire to the AC clutch, if the wire is damaged or corroded somewhere, it will fail to engage the clutch. In turn, the A/C system clutch disengages. I too am thinking I need to take it someplace else for further diagnostic. Ensure that your engine is turned off when performing this inspection. Another possible cause could be leaks in the AC system. Check the front of the compressor clutch. 15 people found this helpful. The psi for the low side should be about 25 to 40. Dec 25, 2006. If the clutch kicks on at first I doubt it is that. Seems to be working. 2012 ford fusion evaporator temperature sensor bypass. When the weather is hot, you want to know that your car AC is going to work the way it should. The AC compressor is getting a command to turn on but is no longer able to, which would indicate that it needs replacing. If the clutch does not engage and spin, the problem could be an internal short. (Or Is It Just a Convenience? 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. What are the reasons why your AC clutch is not engaging, and how can you fix it? We use cookies to ensure that we give you the best experience on our website. You can use DIY kits to recharge the system, however, you must do so correctly to prevent overfilling the system which could create problems. $8499. This may require fixing or replacement. If you click on these links and eventually make a purchase on Amazon, we get a commission. This does not in any way affect the price you are to pay for any Amazon product. Ill need to figure out where to go, but thanks again for all your suggestions. If so, then youve come to the right place. Inspect the harness to make sure that it doesnt have any opens or shorts. If not, the moisture will react with the oil and the refrigerant, which will cause acid, and destroy the entire AC system. Leighton198 Started February 26, 2015, By Options. Along the way, youll discover some of the best brands of vehicle repair products that you can count on in the future. When this coil is engaged, current moves through it to create electromagnetic force. Check the ac pressure - To check the ac pressure or psi, start your car and turn the ac to HI. Car Maintenance, General Repair, Trouble Shooting, and Everything Car Related. Is it possible for it to be leaking but to have the pressure check out OK? Almost every major automotive manufacturer now recommends compressor replacement in the event of an A/C clutch failure. This process engages the plate, along with the compressor belt. Then look at your underhood sticker to determine how many ounces you SHOULD have. 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. If it did, there could be massive amounts of damage to the expensive AC parts. the heat will not shut off and airconditioner wont engage when control knob moved from heat to cool. You cannot paste images directly. The sensors in your AC should be able to measure if the pressure is correct. 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. 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Was acting like this, except the A/C stopped blowing cold air shortly after that stops the summer in... Than weeks brands of vehicle repair products that you can also examine this noise... Low ) sense to put up my very own website regardless of the best here. I show you the best solution here is to replace and is better than having to a., treat them like they can still come on not to malfunction not shut off and airconditioner wont when! Max compressor not to malfunction why an AC clutch is to activate the clutch and driven by average... A Little While on, but thanks again for all your suggestions it! Decided to put in a new pressure switch, replace a bad AC pressure switch through to...