There is a high chance that your compressor would have an internal mechanical or electrical problem that needs to be fixed. My A/c Blows Warm Air No Matter What Setting It Is On. RELATED: 5 Signs Your Cars AC is Low on Freon (& What to do). Try checking if the clutch is in good condition by applying these steps: Here is a useful tip: If youre not confident to do the examination yourself, it is best to work with a car expert. Seems that my mechanic does not know what else to try. My Explorer did this in 92/93/94one 60 cent oring and its been good since. Hey everyone! How to Manually Move A Power Seat: A Step-By-Step Guide. If the pulley and the clutch are both spinning it shows that the clutch is engaged with the pulley correctly. There are many reasons why an AC clutch does not engage. 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. I think the puff of smoke coming out of the vents is unrelated. 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. That could explain why it works for a while, then stops working. AutosHub.net participates in the Amazon Affiliate Program, which means the site contains affiliate links within its content that redirect to Amazons website. Turn the AC controls to maximum air conditioning. Now that you have manually given the AC compressor a command to turn on, it should turn on. Related: Symptoms of a Bad Car A/C Condenser. If the AC system is low on the coolant, there is a high chance that it could cause the AC compressor clutch not to engage. the receiver/dryer is running short of liquid. The AC pressure switches control this, and if the pressure is too low or too high, it will not send power to the AC clutch. If it is not freely moving, then its a pretty strong indication that the compressor is locked up and needs replacing. likely to be low on refrigerant. . 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. . (Or Is It Just a Convenience? 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? An A/C compressor clutch can fail to engage for a number of reasons, many of which are electrical in nature. After inspecting the belt, there can only be two things left that could be happening: 1. If the pulley is the only part spinning, it means that the clutch is damaged, and the AC will not work properly. 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. This isnt too expensive to replace and is better than having to fix a new AC compressor. Leighton198 In many cases, an A/C clutch will begin to slip, as the face of its clutch plate begins to wear. The AC compressor clutch is a major part of the automotive air conditioning system. Your AC system may read an abnormally high pressure if a refrigerant has overcharged your compressor. 2. Do not use compressor oils your AC system manufacturer does not approve. It may even be illegal to do it yourself where you live. There are shops that specialize in A/C systems. Clear editor. Fill it up until the pressure indicator on the refill . If so, try the troubleshooting techniques described here. 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. The most noteworthy of these switches include low pressure switches, high pressure switches, and evaporator temperature sensors. (2012 - 2023) Ford Fusion Battery Sizes & Specs (2006 - 2023) Ford Ranger Battery Sizes & Specs (2000 - 2023) No, old AC compressors with a clutch should not spin all the time. This action will cause the fuse to blow. The a/c clutch normally uses a 10A fuse. This car AC element helps blow the air to cool it down. 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. 2. When the heater is on the temperature is above 20 C and the AC can be in defrost mode. That happened last Fall, so we waited until this spring to try again. 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. Started Sunday at 04:53 PM, By 225 PSI / 80 PSI = It is likely that the . 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 . It could be because of a blown fuse, a bad clutch coil, or an open on the wire to the clutch coil. ), P2004 Code: IMRC Issue (Symptoms, Causes, and Fixes). I am, so far I have checked the serpentine belt and tensioner and checked to see if there is voltage to the . But now, while its warmer, its impossible to know which of those is the culprit. If it has blown, your only option is to replace it. 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. After replacing the compressor I took the vehicle to a reputable garage to have them charge the system. Debris in the system will quickly plug the tiny orifices in the system. Thats where you will get the problem resolved. The car is a little young to suffer leaks at the compressor and hose fittings. Ford Escape. Royal Purple vs Mobil 1: Which Engine Oil is Better? Do you have 12V out of the pressure switch on the red/yellow wire? Normally it's just a regas. 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. However, many components make up the air conditioning system, so your problem could be entirely different. 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. The bypass you tried relies on the fuse listed to have power to the relay. Magnus is the owner and main author of Mechanicbase. If the clutch kicks on at first I doubt it is that. He has been working as a car mechanic for over 10 years, and the majority of them specialized in advanced car diagnostics and troubleshooting. Condenser may be blocked. An A/C clutch receives its operational commands through inputs made by a driver, through the systems dash-mounted control head. You will find an AC pressure switch on the low-pressure side of the AC system and you will find one on the high-pressure side. If your AC clutch is not engaging, it's important to find out why and take the necessary steps to fix it. Dan - Did you ever get to the bottom of this? Thanks for the input guys, there are only 2 relays in the engine bay behind the battery - bit concerned about pulling them incase it resets something I shouldn't - do you know what colour the relay was? What have you tried so far? I too am thinking I need to take it someplace else for further diagnostic. I bought a recharge can which indicated that pressure was not the problem, rather something else. Its located next to an electromagnetic coil. Ford Escape AC Compressor Not Engaging: How to Check and Fix. . 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. Notes: A/C install kit, Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit. If an open condition exists on any wires within this circuit, the compressors clutch will not operate. $285.95. Ihave Been Hearing Metalick Clicking Sound From Tensioner Since I Bought My Car When It Was 70000 Mikles. Fix an Air Conditioning Not Working Video. We took it back to the mechanic. However, modern car models use a variable AC compressor and these systems are meant to work all the time when the engine is running. Its important to take this issue seriously because an AC compressor failure is almost always related to the engine. 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. It can be triggered by a relay that is directly energized by conditioned high and low-pressure switches. Get at least 20% off selected Ford parts on eBay View parts on eBay now! You should hear a clunk sound as this magnet is activated (particularly with the engine off). Ensure that your engine is turned off when performing this inspection. . $62.21. We recommend starting with the power wire to the AC clutch. Likewise, an A/C systems high pressure switch is designed to cut power/ground delivery to a compressors clutch, in the event of an over-pressurization event. Upload or insert images from URL. When the engine is on. It could even be missing entirely without you noticing if it is an independent belt. The compressor relies on the oils in the coolant to lubricate and cool down the mechanical parts. The next step is to check the high and low-pressure switches in the AC system. 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. ), 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. With PAG 46. 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 On the firewall is the A/C accumulator with the low pressure cutout switch. 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). If the fuse does not seem to have any problem, then you may put it back to the system. This is called diagnosing and fixing the problem. This gives power to the pump rotor that keeps the compressor running. Unfortunately, A/C related issues of varying severity can, and do, occur on occasion. Start the engine, and then see if the clutch and the pulley are running. See the FAQ in the AC section for the steps to adjust the clutch gap. No leaks. 2. 5 Best Fire Extinguisher For Cars Be Ready For Fire Emergencies. Get back to us with the before and after evacuation/recharge refrigerant weights. If you notice rust on the clutch plate, it is an indicator that the compressor is old and would need to be replaced. 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. Perform these next steps with the engine turned off. AllIcouldAf-ford I attempted to add a little bit anyways (not much) to see if the clutch would kick on but no luck. Mine blows very cold, no matter how hot outside it is. 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 there isn't enough refrigerant, the clutch may not engage. Compressor not included. However, one must also determine the reason behind the fuses failure. There are shops that wont throw their hands up so quickly. [/QUOTE A/C has around 97 psi on high and low with ac max compressor not engaged. When this takes place, cabin temperatures skyrocket, as discomfort takes hold. If you begin to notice that the AC system is not blowing as cold as it used to, then that may be a sign that the switch has failed, or is beginning to fail. My 2011 Ford Escape has been in the auto repair shop 4 times without being able to pinpoint the problem. Add oil if the level is below the normal point. Its meant to engage and disengage the compressor pulley from the drive. No, if the Freon level is too low, it will not engage the AC clutch. Started 15 hours ago, By The A/C stopped blowing cold air . Has it been verified there are no leaks at the service port fittings? 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. To check these, you can often measure them with a multimeter. TYC 3782 Condenser Assembly Compatible with 2009-2012 Ford Escape. 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. Ensure that your engine is turned off when performing this inspection. I checked the relays which are good. Hence, to avoid your clutch not engaging, try checking the following elements as much as possible. Ill also update when I get a resolution to the problem. Next, you should look at the refrigerant hoses, wiring to the compressor and regulatory switches. Is the Fan behind the condenser working? Mechanic's Assistant: What year is your Escape? That is RIDICULOUS, Cheryl. This saves additional load from being placed upon a vehicles engine and prevents excessive internal compressor wear. Plenty enough to get it to engage. 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). sambooka The official Ford website can be found at http://www.ford.co.uk/. The procedure is simple, start the engine, activate the AC system, and remove the AC clutch connector. Check Low and High AC Pressure Switches. This is located inside the car cabin where it would cool air as it blows over it. 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. I have mot. A failed or sticking relay can prevent power from being delivered to the clutchs coil. With no pressure in the system the low pressure switch will not allow the compressor cycle so that's probably the issue. 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So they are saying there is no leak. Providing the clutch coil with alternate hot and ground sources can assist you in pinpointing the root cause of compressor clutch-related issues. If this circuit is traced the fault of a open circuit can be found out. 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. 8 Reasons Your A/C Is Not Blowing Cold Air, Causes of an A/C Compressor Clutch That Wont Engage, How to Manually Engage an A/C Compressor Clutch, Replacing the A/C Compressor Clutch vs A/C Compressor, Common Brake Problems in Cold Weather CarTreatments.com, Lug Nut Sizes (w/ Chart For All Car Manufacturers through 2021), Why is My Steering Wheel Off-Center? Also, it is quite labor-intensive to take out an old compressor and fix a new one. The easiest check is to look at the refrigerant levels. 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