what is an ac clutch

Compressor Clutch The air conditioning compressor has an electromagnetic clutch that can engage or disengage the compressor pulley. When power energizes the clutch coil, the magnetic field pulls the clutch in to engage the compressor shaft. been fixin' cars for 71 years Some of what I know is from experience, some from listening or reading-most of it, I just make up. Again, this is something that should be checked out by a professional. The modern air conditioning compressor clutch is an integral part of a completely automated temperature control system. while the engine is running and the AC is on try lightly tapping on the clutch face with a hammer or something similar, if it engages then you have too much clearance between the friction surfaces of the clutch discs The AC compressor relay is no different then other electrical relays - its electrical contacts will eventually wear or burn out, and the relay must be replaced. On the contrary, the AC continued to work properly. The center part (the clutch) should be engaged and should be spining along with the pulley. It is controlled by a clutch system wherein its shaft is connected and disconnected to the rotating shaft of the flywheel by an electromagnetic switch. The image below shows the tool configured for clutch removal. Could prove by pulling AC Clutch relay and use a jumper to provide 12V to the circuit. The compressor pulley always turns when the . AC clutch is wearable and needs checking the gap every few hundreds of working hours. Any good AC shop should be able to supply a replacement clutch. The AC compressor relay is responsible for supplying power to the AC compressor and clutch. . Think of it as a switch that is responsible for engaging and disengaging the AC compressor pulley from its compressor drive. I want to know if anyone knows how to fix it. The clutch puller tool I used is part of Kit #65. When current is passed through the coil, it creates a strong magnetic field that pulls a splined hub into contact with the spinning pulley. AC clutch shim procedure for S60. is it fixable or does it need to be replaced. “AC” stands for air conditioning, though I hope you already knew that. When current flows through a magnetic coil in the clutch, the clutch engages. Still another air conditioner clutch condition that you might feel, more than hear, is a slight vibration when the air conditioner clutch disengages when you are idling at a light or if your vehicle has reached the temperature you want. How to determine if the clutch gap is the culprit: Next time the compressor clicks off (starts blowing warm air): leave the a/c on and take a wooden broomstick and push the clutch in with it. . That is one of the most common negligence MB owners do. Can i fix the clutch without replacing the compressor? Without this relay, the AC compressor will not have power and the AC system will not function. The AC compressor clutch is a key part of some air conditioning systems. Pull off the pulley. Other vehicles also come with an automatic clutch adjustment that works by drawing the clutch up and away from the floor and allowing it to fall back down again. The AC clutch cycling switch is a very important component to a modern vehicle’s AC system.It is mounted in the low pressure side of the AC system and its purpose is to detect the flow of refrigerant in the system by measuring the pressure. Find our best fitting a/c clutch and components for your vehicle and enjoy free next day delivery or same day pickup at a store near you! Is it just a bad clutch on the compressor? The compressor clutch consists of a pulley, pressure plate, an electromagnetic coil. The air conditioner clutch in a car can break fairly often, so it is important for you to know as much as you can about AC clutch replacement.The air conditioner clutch is made of two circular iron friction plates, one attached to the engine with a drive belt so that it constantly spins as long as the engine is running, and another attached to the rotor that powers the air conditioner. Meaning I still would buy cheap clutch on ebay and give it a try since the system seem to hold the refrigerant. The way in which the clutch adjustment is designed, as well as its exact location, vary according to each specific model, but the most common places you’re likely to find it in is under the hood opposite the firewall. My AC Compressor makes this sound. When it rises above the preset level, a switch is closed, sending electrical current to the clutch coil. Use puller 999 5598 and socket 999 5599 . Most cars use a friction clutch operated either by fluid ( hydraulic ) or, more commonly, by a cable. Replacing the magnetic clutch compressor. A typical AC compressor removal and installation diagram. (This isn't my video but I have the same year, model, and issue) The three components of a car’s air conditioning compressor clutch. It is an ominous sign when the clutch engages but the compressor does not spin. If the coil loses magnetism, then the air conditioning rotor will have no source of power, and it will lead to an air-con malfunction. What does the second wire do? Removing the magnetic clutch. An A/C compressor clutch coil is a simple device made of fine windings of wire wrapped into a coil. AC Clutch kits are in-stock and available for all makes. If the clutch overheated, it may have warped the aluminum case, causing stress fractures or affecting how a new clutch would fit. Holding the clutch hub with a suitable tool while the bolt or nut is removed. It comes in three pieces: a bolt, outer nut and a small screw that goes at the tip of the bolt. The AC compressor clutch will not activate when plugged into the original harness, even though power is coming from the dash switch. In this video, I show you how to tell if a car's AC compressor clutch is engaging. Use counterhold 9995596 . The way to go is an AirCon system scan to isolate the electrical fault(s). Get a great deal on a quality A/C Clutch kit.A/C Clutch Kit.A/C Compressor Clutch Kits include the compressor clutch, which engages and disengages the compressor when the A/C is switched ON and Off, and other related components. Use puller 9995597; Keep the shims. Once you turn on the AC the center part of the compressor, the AC clutch should engage and start to rotate with the pulley. When a car is moving under power, the clutch is engaged. Exploded view of the AC compressor clutch with individual components labeled. To activate the compressor the clutch is activated. The AC clutch is on the front of the compressor where the belt rides. Most, but not all, automobile air conditioning systems are switched on and off by using an electromagnetic clutch. The AC compressor exhibited no unusual symptoms that would explain the locked clutch, there was no bearing failure, no unusual noise, no smoke, no fire. I'm not one to take my car into a dealership. Remove the snap ring. engine is running, but the compressor only runs when the pulley is engaged to the compressor driving shaft. A clutch is a mechanically operated or controlled mechanical coupling used to temporarily join (or separate) two shafts. My ac compressor clutch engages for about 4-5 seconds then stops for 4-5 seconds, it does that over and over again, the air is not cold, freon is good, could this be what is causing the problem? Remove the magnet coil. The center part on the pulley of the A/C compressor will not spin when you have the air conditioner off or if there is a problem. Previous; Next ; Our Contact Info Best Automobile AC Diagnostics service & repair. This situation is dangerous due to the serpentine belt powering not only the AC unit, but the vehicle's charging and cooling systems as well. Slacken off the screw for the clutch plate. The AC clutch pulley might be what needs replacement, but it’s likely to have done some damage to the compressor on its way out. . Remove the clutch plate. Okay, moving on. As soon as the current stops, such as when you turn off your air conditioning, the clutch … Method 3: Replacing The Clutch. A failed electronic clutch on a vehicle's AC compressor can lead to the freeze up of the AC pulley which, in turn, destroys the belt. But … A delay can cause serious damage to the air conditioning system and the engine. When power is applied to the clutch it engages to turn the compressor. It is the equivalent of an electric switch, except that it controls movement (usually rotation) instead of current. THERE'S AN "AIR GAP" that needs to be achieved for the clutch to engage properly, and those washers (could be 1, 2 or 3) are the ones that do the trick. 334 E 21 ST MIAMI ,FL 33010 (786) 483-9406. When removing the clutch...Be carefull not to lose the washers between the AC clutch and the compressor, you will need them. The a/c compressor clutch coil inside your car is an electromagnet that attracts both the fan belt and air conditioning rotors. If the clutch engages with the push of the broomstick, you know thats the problem. Removing the clutch plate and hub using a puller. Tags: ac clutch relay, ac compressor relay, ac relay, clutch coil relay, compressor relay. Services . An AC clutch compressor is a type of compressor that derives its power from the car engine’s flywheel. The AirCon can switch itself on and off intermitantly when you have a faulty resistor pack/thermostat, faulty track on your Accelerator position switch, faulty Hot-Cold control, faulty system pressure switches, compressor clutch, or associated relays and wiring. This will cause friction that will make the rotors spin. A bad AC compressor clutch needs immediate fixing. This connects the air conditioning compressor's shaft end to a pulley driven by the engine's crankshaft through a belt. Earlier cars have a series of coil springs at the back of the pressure plate, instead of a diaphragm spring. A/C Compressor Clutch Coil Test. FREE AC CHECK UP Auto A/C Repair LLC. An air conditioning compressor in a car has an electromagnetic clutch. Is it just a ground wire no longer grounded? The Jaguar cooled as good or better than the other cars I currently own, all of which have original factory 134a AC systems. When the air conditioning system is turned on, an electric signal is sent to the compressor clutch. The AC compressor clutch is the first thing that moves every time you turn on your AC. This allows the compressor to shut off even while the engine is running. . The temperature within the vehicle is thermostatically controlled. AC Compressor Clutch - AC Clutch Replacement Parts 20% off orders over $120* + Free Ground Shipping** Changing the compressor clutch could be the only solution in this case. It is used to both remove and install the clutch simply by flipping the outer nut. A pressure plate bolted to the flywheel exerts constant force, by means of a diaphragm spring, on the driven plate . This engages the clutch by activating a cylindrical electromagnet within the pulley and clutch assembly. Of wire wrapped into a coil fine windings of wire wrapped into a coil engages the clutch overheated, may... 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