I think the puff of smoke coming out of the vents is unrelated. However, one must also determine the reason behind the fuses failure. What Happens When There is Oil in The Coolant Reservoir? 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. AllIcouldAf-ford With no pressure in the system the low pressure switch will not allow the compressor cycle so that's probably the issue. There are shops that wont throw their hands up so quickly. Stephen Interior Leave a comment 7,609 Views. Any ideas why its not lasting? Who doesnt love road trips? Hey everyone! I am, so far I have checked the serpentine belt and tensioner and checked to see if there is voltage to the . Itll often be located by electric fans. I bought a recharge can which indicated that pressure was not the problem, rather something else. Its meant to engage and disengage the compressor pulley from the drive. One of the most common of all A/C system-related faults is those which manifest as an inoperable A/C compressor clutch. 37 % of the time it's the. Ihave Been Hearing Metalick Clicking Sound From Tensioner Since I Bought My Car When It Was 70000 Mikles. What have you tried so far? Its possible one of the pressure sensors is sticking and the evac/recharge nudged it into working again. You should check this area for bad noises and bad smells. 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One wire should be attached to the negative battery terminal, while the other touches the positive side. If I find something out from my mechanic, Ill give you guys an update. No, old AC compressors with a clutch should not spin all the time. sambooka By The AC compressor is getting a command to turn on but is no longer able to, which would indicate that it needs replacing. Route the wires to the car battery. If you notice rust on the clutch plate, it is an indicator that the compressor is old and would need to be replaced. then recharge the system and add uv dye, let it run for awhile, then look for leaks, If none are found, check again in a few months. 2012 Ford Escape. What, if anything, could I try to diagnose? On the other hand, if it is turning freely, we need to determine why its not activating. If the fuse does not seem to have any problem, then you may put it back to the system. Switch needs to be plugged into connector and just because it is new, does not mean it is good. 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? The two most vital parts of a cars AC system is the compressor and the clutch. It should be replaced if not functioning properly. Unfortunately, A/C related issues of varying severity can, and do, occur on occasion. . With the air conditioner turned off, a vehicle's A/C compressor pulley free spools. Fill it up until the pressure indicator on the refill . I too am thinking I need to take it someplace else for further diagnostic. If it has blown, your only option is to replace it. 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). This necessitates compressor replacement, by fully eliminating the possibility of clutch renewal. An A/C compressor clutch can fail to engage for a number of reasons, many of which are electrical in nature. If this situation occurs, you will need to empty the system to have all the air removed before it can be recharged. 3. 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 there are air and moisture in the system, it probably leaks. . 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. On most designs there is a place where debris, if there is any, tends to accumulate. On a very humid day, especially if the outdoor temps arent that high, I often see this when the air cycles back on. Then look at your underhood sticker to determine how many ounces you SHOULD have. Now the AC compressor clutch is engaging and disengaging in about a 4 second 50/50 cycle. If you dont get any voltage reading, then check the fuse. 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. 4.5 amps, check clutch air gap. Martian. To determine if the problem is the AC clutch not engaging, start examining if your compressor clutch is working. . 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. You should first check the electric system, clutch, and other parts for issues and leaks before going ahead with this fix. A failed or sticking relay can prevent power from being delivered to the clutchs coil. Has it been verified there are no leaks at the service port fittings? The failure of any of these sensors can render an A/C clutch inoperable. This is to maintain system pressure and keep the seals from drying out. Make sure that the clutch and the pulley is spinning simultaneously. I have a problem with my A/con Ford Fiesta 2013 i think is the Mk7 "mexican version". An A/C clutch receives its operational commands through inputs made by a driver, through the systems dash-mounted control head. 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. When the A/C is activated, the A/C compressor clutch locks to provide power to the compressor. The AC compressor is getting a command to turn on but is no longer able to, which would indicate that it needs replacing. It should be on whenever the a/c is on. There are many reasons why an AC clutch does not engage. Compressor does not run in any AC mode. These include your Fuse, Coolant or Refrigerant, and Compressor Oil. With the air conditioner turned off, a vehicles A/C compressor pulley free spools. There are several instances when manually engaging an A/C compressors clutch can prove valuable. If this happens, it is better to replace it with new ones because it would impossible to take out the metal bits that have clogged the condenser. Find a repair shop that can put a set of refrigerant gauges on the system. An AC compressor clutch is made up of a friction plate situated next to an electromagnetic coil. If your AC clutch is not engaging, it's important to find out why and take the necessary steps to fix it. Paste as plain text instead, It is possible that on this car, the clutch fuse is the one in the PJB (glovebox fuse box). Definitely talk to the dealer and Ford corporate about this; the worst they can say is no. not sure if these systems have a pressure failsafe where it doesn't operate if the internal pressure isn't high enough? But, first, youll need to locate the compressor relay. If the clutch kicks on at first I doubt it is that. If you notice that the belt is slipping then you would have to adjust it. The AC relay (number 20) reads good voltage to the relay outlet. Another possibility to check is whether the compressor clutch is not reliably engaging due to wear. How much does a Car AC Repair cost? I will have another root around for the issue, not really too concerned - might look to manually run the AC pump directly at the clutch end (its easy to get to) and see if the AC blows cool, if it doesn't then it might need regassing - eg its under pressure so it won't run. 2. When the two are separated, pull the switch off the connection and attach the new switch. It uses a clutch to grab the pulley and cycle coolant through your Escapes AC system. 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. How to Manually Move A Power Seat: A Step-By-Step Guide. If you have no power then it will not engage the compressor. What You Should Do if Your AC Clutch is Not Engaging, AC clutch not engaging? I'm not kidding about this. No, if the Freon level is too low, it will not engage the AC clutch. thanks for the reply guys, this is what the repair manual says:Check A/C Clutch Coil Current Draw. With a DIY repair kit, you can recharge the system to the right levels. Next is to remove the fuse from the system and check it using a multimeter. RELATED: Car AC Not Blowing Cold Air? Ford Fiesta 2013 . The Compressor Is Cycling More Often Than I Recall. It should spin only when the AC system is activated and functional. By This is located inside the car cabin where it would cool air as it blows over it. 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. laumk7 Check the front of the compressor clutch. Copyright 2023 Mechanic Base. 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. 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. There are many ways for AC compressor clutches to receive power. Pasted as rich text. After inspecting the belt, there can only be two things left that could be happening: 1. 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. Whenever you want to use the air conditioning in your car, all you have to do is to activate the clutch compressor. This gives power to the pump rotor that keeps the compressor running. The clutch is operated by an electromagnetic switch in most vehicles. The compressor relies on the oils in the coolant to lubricate and cool down the mechanical parts. Ill also update when I get a resolution to the problem. 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 AC compressor cannot pump the refrigerant if the clutch does not engage. Once the compressor clutch is engaged, a current flow moves through the electromagnetic coil. Only 20 left in stock - order soon. Is the Fan behind the condenser working? 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. 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