Previous; Next ; Our Contact Info Best Automobile AC Diagnostics service & repair. 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. My AC Compressor makes this sound. 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. The way to go is an AirCon system scan to isolate the electrical fault(s). 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. “AC” stands for air conditioning, though I hope you already knew that. As soon as the current stops, such as when you turn off your air conditioning, the clutch … Holding the clutch hub with a suitable tool while the bolt or nut is removed. The modern air conditioning compressor clutch is an integral part of a completely automated temperature control system. AC clutch shim procedure for S60. . The Jaguar cooled as good or better than the other cars I currently own, all of which have original factory 134a AC systems. 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. The compressor pulley always turns when the . Again, this is something that should be checked out by a professional. That is one of the most common negligence MB owners do. I want to know if anyone knows how to fix it. To activate the compressor the clutch is activated. The a/c compressor clutch coil inside your car is an electromagnet that attracts both the fan belt and air conditioning rotors. Changing the compressor clutch could be the only solution in this case. On the contrary, the AC continued to work properly. AC Compressor Clutch - AC Clutch Replacement Parts 20% off orders over $120* + Free Ground Shipping** The center part (the clutch) should be engaged and should be spining along with the pulley. Tags: ac clutch relay, ac compressor relay, ac relay, clutch coil relay, compressor relay. Most, but not all, automobile air conditioning systems are switched on and off by using an electromagnetic clutch. A delay can cause serious damage to the air conditioning system and the engine. The compressor clutch consists of a pulley, pressure plate, an electromagnetic 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. If the clutch overheated, it may have warped the aluminum case, causing stress fractures or affecting how a new clutch would fit. When power is applied to the clutch it engages to turn the compressor. 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. is it fixable or does it need to be replaced. This engages the clutch by activating a cylindrical electromagnet within the pulley and clutch assembly. It is an ominous sign when the clutch engages but the compressor does not spin. . If the clutch engages with the push of the broomstick, you know thats the problem. A bad AC compressor clutch needs immediate fixing. The temperature within the vehicle is thermostatically controlled. When power energizes the clutch coil, the magnetic field pulls the clutch in to engage the compressor shaft. Method 3: Replacing The Clutch. Can i fix the clutch without replacing the compressor? Use puller 9995597; Keep the shims. The AC clutch is on the front of the compressor where the belt rides. A/C Compressor Clutch Coil Test. Any good AC shop should be able to supply a replacement clutch. Remove the snap ring. Services . It is the equivalent of an electric switch, except that it controls movement (usually rotation) instead of current. . The clutch puller tool I used is part of Kit #65. 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. Removing the magnetic clutch. 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? AC Clutch kits are in-stock and available for all makes. Use counterhold 9995596 . engine is running, but the compressor only runs when the pulley is engaged to the compressor driving shaft. This will cause friction that will make the rotors spin. 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. Slacken off the screw for the clutch plate. A pressure plate bolted to the flywheel exerts constant force, by means of a diaphragm spring, on the driven plate . Removing the clutch plate and hub using a puller. Pull off the pulley. When it rises above the preset level, a switch is closed, sending electrical current to the clutch coil. The AC compressor relay is responsible for supplying power to the AC compressor and clutch. 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. Is it just a bad clutch on the compressor? When current is passed through the coil, it creates a strong magnetic field that pulls a splined hub into contact with the spinning pulley. When removing the clutch...Be carefull not to lose the washers between the AC clutch and the compressor, you will need them. The AC compressor clutch is the first thing that moves every time you turn on your AC. Okay, moving on. Remove the clutch plate. (This isn't my video but I have the same year, model, and issue) The image below shows the tool configured for clutch removal. Compressor Clutch The air conditioning compressor has an electromagnetic clutch that can engage or disengage the compressor pulley. In this video, I show you how to tell if a car's AC compressor clutch is engaging. Remove the magnet coil. Most cars use a friction clutch operated either by fluid ( hydraulic ) or, more commonly, by a cable. 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. Meaning I still would buy cheap clutch on ebay and give it a try since the system seem to hold the refrigerant. 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. 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 But … 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. What does the second wire do? 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 ground wire no longer grounded? 334 E 21 ST MIAMI ,FL 33010 (786) 483-9406. The AC compressor clutch will not activate when plugged into the original harness, even though power is coming from the dash switch. It comes in three pieces: a bolt, outer nut and a small screw that goes at the tip of the bolt. Use puller 999 5598 and socket 999 5599 . 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. When current flows through a magnetic coil in the clutch, the clutch engages. Replacing the magnetic clutch compressor. A typical AC compressor removal and installation diagram. 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. An A/C compressor clutch coil is a simple device made of fine windings of wire wrapped into a coil. Earlier cars have a series of coil springs at the back of the pressure plate, instead of a diaphragm spring. The AC compressor clutch is a key part of some air conditioning systems. This allows the compressor to shut off even while the engine is running. It is used to both remove and install the clutch simply by flipping the outer nut. The three components of a car’s air conditioning compressor clutch. Could prove by pulling AC Clutch relay and use a jumper to provide 12V to the circuit. 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. 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. 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. AC clutch is wearable and needs checking the gap every few hundreds of working hours. 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. Exploded view of the AC compressor clutch with individual components labeled. 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. Without this relay, the AC compressor will not have power and the AC system will not function. A clutch is a mechanically operated or controlled mechanical coupling used to temporarily join (or separate) two shafts. . When the air conditioning system is turned on, an electric signal is sent to the compressor clutch. I'm not one to take my car into a dealership. Think of it as a switch that is responsible for engaging and disengaging the AC compressor pulley from its compressor drive. This connects the air conditioning compressor's shaft end to a pulley driven by the engine's crankshaft through a belt. An AC clutch compressor is a type of compressor that derives its power from the car engine’s flywheel. An air conditioning compressor in a car has an electromagnetic clutch. FREE AC CHECK UP Auto A/C Repair LLC. System scan to isolate the electrical fault ( s ) can engage or disengage the compressor (... Key part of a pulley, pressure plate, instead of a spring! 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