Your compressor will tell you if it needs more refrigerant when the pressure gauge on the high-pressure side of it reads a pressure that is lower than what it requires. Over time, you may notice your A/C not performing as it should. Prices may vary depending on your location. 0 %. 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. You should check this area for bad noises and bad smells. If you're here, chances are you've tried to recharge your AC system and found a compressor clutch not engaging issue. Compressors are expensive. 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. You could get a digital multimeter and check the voltage and then check the ground at the removed connector. Pennzoil vs. Mobil 1 Oil: Differences & Which Is Better? Most vehicles rely upon the use of a relay to control A/C clutch operation. 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. Slipping Belt- A slipping serpentine belt can cause the vehicle's AC compressor to turn slower than it . 1861cp 2012 Ford Escape. When the AC is turned on, the clutch gets electrical energy. However, if the clutch does not connect with the compressor, the compressor will not work and the air conditioning system will fail to cool the car. ), 5 Advantages of Drive-by-Wire Technology in a Car, P0136 Code: O2 Sensor Malfunction (Causes and How to Fix), P0118 Code: Coolant Temp Issue (Symptoms, Causes, and How to Fix), Colorado Springs Auto Repair | Bowers Automotive Colorado Springs CO, Auto Repair Colorado Springs | Bowers Automotive Colorado Springs CO, Brake Repair Colorado Springs | Bowers Automotive Colorado Springs CO, Car Tune up Colorado Springs | Bowers Automotive Colorado Springs CO, Muffler Repair Colorado Springs | Bowers Automotive Colorado Springs. 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. If the PCM is running, it can monitor if the refrigerant pressures are within its limits. Is the AC clutch supposed to spin all the time? Started 12 hours ago, By If you notice that the belt is slipping then you would have to adjust it. 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. Thats why Ive decided to put up my very own website. 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 . When this takes place, cabin temperatures skyrocket, as discomfort takes hold. RELATED: 5 Signs Your Cars AC is Low on Freon (& What to do). The easiest check is to look at the refrigerant levels. In other instances, an A/C clutch assemblys coil can fail in its entirety, thereby preventing clutch engagement. Started February 6, 2020, By 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? Using an ultraviolet (UV) leak detection light, inspect thecondenser near the receiver/dryer cap for the presence of dye. With a visual inspection of the AC compressor clutch, you can determine the reason why it refuses to engage. The leak could be from the compressor itself or anywhere else across the AC . 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). 3. 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. What are the reasons why your AC clutch is not engaging, and how can you fix it? You can use DIY kits to recharge the system, however, you must do so correctly to prevent overfilling the system which could create problems. Obviously, youd want to do this with the vehicle off. This item: A/C Compressor Kit - Compatible with 2008-2012 Ford Escape. If freon is low, it won't engage. There are repair kits available that you can purchase to recharge your refrigerant. They checked for leaks but found none. Blower fan works but hot pig tails assuming it's on it way out. The following are several of the most common causes of an inoperable fan A/C compressor clutch. But, I have no reason to think it will last. This does not in any way affect the price you are to pay for any Amazon product. 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. In some car models, you may also need ground. Spend a few dollars on a good diagnosing - watch them do the work even if you don't understand what hey're doing - and see what they say. There are shops that specialize in A/C systems. I bought a recharge can which indicated that pressure was not the problem, rather something else. My 2011 Ford Escape has been in the auto repair shop 4 times without being able to pinpoint the problem. Free In-Store or Curbside Pick Up. Started 14 hours ago, By Compressor does not run in any AC mode. You may check your ACs user manual for specifications. Key on, engine off, test for 2 powers at the relay cavity. 5 Best Fire Extinguisher For Cars Be Ready For Fire Emergencies. You dont want to turn the pulley where it is attached to the 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. If your AC clutch is not engaging, it's important to find out why and take the necessary steps to fix it. Add oil if the level is below the normal point. 2. (These are the ports where the gauges are connected. But now, while its warmer, its impossible to know which of those is the culprit. Another possibility to check is whether the compressor clutch is not reliably engaging due to wear. They checked for leaks but found none. If the clutch kicks on at first I doubt it is that. Ensure that your engine is turned off when performing this inspection. There is a high chance that your compressor would have an internal mechanical or electrical problem that needs to be fixed. srpocd25 An AC compressor clutch is made up of a friction plate situated next to an electromagnetic coil. Sounds to me like you have a leak somewhere. In some cars, the compressor clutch relay goes on and off and is grounded by a computer in a controller system. If there is no power in the fuse or relay then the main wiring must be checked. Cooling, Heating, Ventilation & A/C - AC Compressor clutch cycles on & off? #2. If you turn the AC off, the clutch loses its electrical energy. However, one must also determine the reason behind the fuses failure. It should be on whenever the a/c is on. This is called diagnosing and fixing the problem. 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? 37 % of the time it's the. To perform this step, you would connect the wire to the clutch directly to the battery. Your last post confused me. We took it back to the mechanic. Thats where you will get the problem resolved. Inspect the compressor and check to see if the belt that goes over the pulley is in good condition. The condenser fan is not coming on and I am unable to get the compressor clutch to engage even after bypassing the compressor clutch relay. 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 has blown, your only option is to replace it. It can also be due to a failed clutch coil, which will cause the clutch coil to fail to engage at all. ANY good A/C shop will solve this riddle in short orderits all they do. 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. Read on and learn how to diagnose and fix AC compressor clutch issues. You could also get warm air instead of cool air. The A/C stopped blowing cold air . And most places will roll the diagnostic fee into the cost of repair if they do the work. Turn the AC to high while looking at the serpentine belt for any issues. I would be curious about the system static pressures. If it is not working properly, consider replacing it with a new one. Mark helpful 55,895 Tracy answered 8 years ago Powered by Discourse, best viewed with JavaScript enabled, A/C stops working on 2012 Ford Escape 2-3 weeks after recharge/evacuation. ), P2004 Code: IMRC Issue (Symptoms, Causes, and Fixes). 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. Unplug the compressor connector and install jumper connectors to the electromagnet. 2-3 weeks later, we saw the same puff and then no cold air. Just like any clutch, its possible that it has simply worn out. Just working out why my AC unit isn't working, I very rarely use the AC but do turn it on every now and then to keep things circulating around, when I bought the car about a year ago the aircon was ice cold. This pressure pushes the refrigerant through the rest of the system. You may also work with a car diagnostic tool that scans an issue with a vehicle. It may just be that the belt cant turn the compressor anymore. I will check through wiring etc but I think that bridging the relay would give a quick answer to where the issue might lie. Mine blows very cold, no matter how hot outside it is. With This 2012 Ford Escape I show you the location of the AC magnetic clutch relay and the AC fuse under the hood. This saves additional load from being placed upon a vehicles engine and prevents excessive internal compressor wear. Debris in the system will quickly plug the tiny orifices in the system. Antonsd This means the high and low side pressures when both engine and A/C have been off for a while. The compressor relies on the oils in the coolant to lubricate and cool down the mechanical parts. $8499. 3. 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. This indicates some form of wiring problem. 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. Thanks Ken. 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 As a result, no rotational force is applied to the A/C compressor's driveshaft. Royal Purple vs Mobil 1: Which Engine Oil is Better? No, if the Freon level is too low, it will not engage the AC clutch. They did an evacuation and recharge of the system. Paste as plain text instead, You should also check the high-pressure switch and evaporator temperature sensors for signs of faulty or loose wires. 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. With no pressure in the system the low pressure switch will not allow the compressor cycle so that's probably the issue. That's the only way to tell what's really going on. During the intense summer heat, few vehicle features are as beloved by the average motorist as air conditioning. Todays modern A/C systems even feature dual-climate control, allowing each of a vehicles occupants to set the in-cabin temperature as desired. 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. Alexdeltaron The procedure is simple, start the engine, activate the AC system, and remove the AC clutch connector. You may turn the air conditioning controls to FULL AC, then fire up the engine. You can have good pressures with only a minimal charge in the system not enough to get pure liquid to the expansion device. Started Tuesday at 12:48 PM, Ford Owners Club thanks for the reply guys, this is what the repair manual says:Check A/C Clutch Coil Current Draw. TomsFocus 97 it's a, I have a 2007 h3 hummer base model. What, if anything, could I try to diagnose? 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. Certified Automotive Diagnostic Technician. Above that, it only blows out hot air. Goodmorning, the ac compressor on my ford escape is not engaging. This may require fixing or replacement. I appreciate the help and sorry for me english it's very rusty. This helps to filter and store the liquid refrigerant when it begins to turn back into a gas. 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. Ask your Ford dealer. A/C Stopped Working 2010 Ford Escape This problem may be covered under warranty. You can jump-start the clutch to see if it will get moving manually. Today, aftermarket A/C compressors can be purchased for a reasonable cost, eliminating the monetary advantage associated with clutch replacement. It could even be missing entirely without you noticing if it is an independent belt. It uses a clutch to grab the pulley and cycle coolant through your Escapes AC system. Use special gauges to determine if the system has too little or too much refrigerant. But this is just a symptom. Thank you so much for the feedback thus far. The easiest way to diagnose a problem with the AC clutch is to measure the voltage sent to the clutch coil. 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. This is a full explanation of how the system works. Route the wires to the car battery. If there is a ground wire, you should also check the ground. During this operation, the compressor drive rotates with the engine of the vehicle. Notes: A/C install kit, Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit. Without much argument, SOA sent me a check for $500 towards the repair. Also, a ground connection to the AC clutch relays control coil side is provided by the PCM. After inspecting the belt, there can only be two things left that could be happening: 1. Any bad connection, frayed wiring, or oily contact points should be noted. My Explorer did this in 92/93/94one 60 cent oring and its been good since. Dave May Look closely and observe the front part of your clutch. With the engine on, you can fully diagnose the problem. 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. There are many ways for AC compressor clutches to receive power. By Heres How to Fix, Ford Escape Back Hatch Not Opening: Causes & Fixes, Ford Escape Cruise Control Not Working: How to Fix, Ford Escape Information Display Not Working: Causes & Fixes, Ford Escape Radio Not Working: Causes & How to Fix, Ford Expedition Wont Start Anti-theft: How to Fix, Ford Focus Wont Start (No Clicking): Common Causes and Fixes, Ford F150 Wont Start: Common Causes and Fixes, Ford Fusion Wont Start Anti-Theft: Causes and Fixes. 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Perhaps someone can help get to bottom of this. Opposite to an overcharged refrigerant is a compressor that has insufficient refrigerant. 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. You should hear a clunk sound as this magnet is activated (particularly with the engine off). The AC relay (number 20) reads good voltage to the relay outlet. It could also slip at times, leading to erratic operations. Bengi 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. 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. Ford Escape AC Compressor Not Engaging: How to Check and Fix. Fv 27, 2023 . Ill need to figure out where to go, but thanks again for all your suggestions. Or, it may be turned by an independent belt. . Turning on the AC automatically turns on the radiator fans, hot or not hot. Started December 2, 2020, By On the other hand, if it is turning freely, we need to determine why its not activating. 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. Inspect the belt to see if it is cracked or shiny. If the refrigerant level isnt right, the modern system uses an AC pressure switch lockout mechanism that protects the valuable parts. The Ford Escape AC system is controlled by the HVAC controller and PCM, along with several temperature sensors. How do I manually engage my AC compressor clutch? Hey everyone! Started 12 hours ago, By I have mot. In turn, the A/C system clutch disengages. 250 PSI / 50 PSI = The system is overcharged and the condenser is not cooling. With this force, the coil is pulled toward the plate, which gives the pump rotor the power it needs to run the compressor. 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. The AC compressor clutch is a major part of the automotive air conditioning system. We only use the commissions thereby generated to maintain the site. 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. July 21, 2016 in Ford Fiesta Club. Theres most likely a leak, bad evaporator, or a bad compressor (that is turning on, but not working). But if the pressure is too low, youre probably looking at a leak in the AC system. Now they are saying they have found new leaks in the condenser and want to charge us more. SKU # 886341. RELATED: 4 Symptoms of a Bad AC Pressure Switch (High or Low). If so, then youve come to the right place. back to AC / heater Complaints 271 Crash Tests 3 Lemon Law 7.6 pretty bad Typical. A vehicle's air conditioner compressor clutch serves as the make/break point for power distribution to an A/C compressor's internal drive components. Unplug any relay terminal wiring with the interior car A/C controls in the "off" position. You should check the following areas before making any new fixes. It should be replaced if not functioning properly. 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. Ihave Been Hearing Metalick Clicking Sound From Tensioner Since I Bought My Car When It Was 70000 Mikles. zain611 With the air conditioner turned off, a vehicles A/C compressor pulley free spools. 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. The Ford Handbook internet site does not seem to have the Mk6 Fiesta handbook, so I can not tell which relay is which. Bypass the 3 wire AC pressure switch through B1 to B4. We use cookies to ensure that we give you the best experience on our website. When a vehicles A/C system is commanded into operation, power is distributed to the A/C compressor clutchs magnetic coil. No problems since then (two years ago). AllIcouldAf-ford If there are readings on both the high and low sides but they are not . 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. Itll often be located by electric fans. 30 Answers 155 citrano2012 answered 8 years ago That is not normal, you may need to get the A/C looked at by an authorized dealer. There are many reasons why an AC clutch does not engage. The AC compressor clutch was intended not to engage so you will know if a problem has occurred in the system. 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. 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. I am tempted to simply bypass the switch and see if I can get the AC clutch to engage correctly by putting 12v across it - there is no tell tell 'click' when you press the AC button. The two wires inside the low pressure cutout switch wiring connector get jumpered together. I Am Seking Problem Stop Safely. . To finish, we'll add new refrigerant to recharge the A/C . the heat will not shut off and airconditioner wont engage when control knob moved from heat to cool. 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. That is why the pressure switch is there. Started August 26, 2012, By Excessive internal compressor wear when a vehicles engine and A/C have been off for a while compressor on my Escape... Belt that goes over the pulley where it is multimeter and check the voltage sent to compressor! Must also determine the reason why it refuses to engage at all clutch! The automotive air conditioning system cent oring and its been good since upon the use of a bad (! Clunk sound as this magnet is activated ( particularly with the engine off.! A/C have been off for a reasonable cost, eliminating the monetary associated. Problem, rather something else for Cars be Ready for Fire Emergencies if there is no power in AC. 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