Most, but not all, automobile air conditioning systems are switched on and off by using an electromagnetic clutch. That is one of the most common negligence MB owners do. Services . Is it just a ground wire no longer grounded? Replacing the magnetic clutch compressor. . Earlier cars have a series of coil springs at the back of the pressure plate, instead of a diaphragm spring. 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. When current flows through a magnetic coil in the clutch, the clutch engages. When it rises above the preset level, a switch is closed, sending electrical current to the clutch coil. An A/C compressor clutch coil is a simple device made of fine windings of wire wrapped into a coil. 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. An AC clutch compressor is a type of compressor that derives its power from the car engine’s flywheel. AC clutch shim procedure for S60. Pull off the pulley. 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. 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. Method 3: Replacing The Clutch. 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. Changing the compressor clutch could be the only solution in this case. The compressor pulley always turns when the . . 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. Any good AC shop should be able to supply a replacement clutch. A delay can cause serious damage to the air conditioning system and the engine. 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. Exploded view of the AC compressor clutch with individual components labeled. 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. The clutch puller tool I used is part of Kit #65. Okay, moving on. 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. 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 Think of it as a switch that is responsible for engaging and disengaging the AC compressor pulley from its compressor drive. A bad AC compressor clutch needs immediate fixing. To activate the compressor the clutch is activated. The compressor clutch consists of a pulley, pressure plate, an electromagnetic coil. FREE AC CHECK UP Auto A/C Repair LLC. 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! AC Clutch kits are in-stock and available for all makes. If the clutch engages with the push of the broomstick, you know thats the problem. When removing the clutch...Be carefull not to lose the washers between the AC clutch and the compressor, you will need them. Holding the clutch hub with a suitable tool while the bolt or nut is removed. When power energizes the clutch coil, the magnetic field pulls the clutch in to engage the compressor shaft. (This isn't my video but I have the same year, model, and issue) The temperature within the vehicle is thermostatically controlled. The modern air conditioning compressor clutch is an integral part of a completely automated temperature control system. Can i fix the clutch without replacing the compressor? Compressor Clutch The air conditioning compressor has an electromagnetic clutch that can engage or disengage the compressor pulley. “AC” stands for air conditioning, though I hope you already knew that. My AC Compressor makes this sound. Again, this is something that should be checked out by a professional. As soon as the current stops, such as when you turn off your air conditioning, the clutch … I want to know if anyone knows how to fix it. The AC compressor relay is responsible for supplying power to the AC compressor and clutch. 334 E 21 ST MIAMI ,FL 33010 (786) 483-9406. Is it just a bad clutch on the compressor? . Remove the magnet coil. Slacken off the screw for the clutch plate. Use puller 9995597; Keep the shims. The image below shows the tool configured for clutch removal. The a/c compressor clutch coil inside your car is an electromagnet that attracts both the fan belt and air conditioning rotors. When a car is moving under power, the clutch is engaged. 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. It is the equivalent of an electric switch, except that it controls movement (usually rotation) instead of current. 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. The Jaguar cooled as good or better than the other cars I currently own, all of which have original factory 134a AC systems. engine is running, but the compressor only runs when the pulley is engaged to the compressor driving shaft. When current is passed through the coil, it creates a strong magnetic field that pulls a splined hub into contact with the spinning pulley. This engages the clutch by activating a cylindrical electromagnet within the pulley and clutch assembly. This will cause friction that will make the rotors spin. Remove the clutch plate. The AC compressor clutch is the first thing that moves every time you turn on your AC. Removing the clutch plate and hub using a puller. Most cars use a friction clutch operated either by fluid ( hydraulic ) or, more commonly, by a cable. Could prove by pulling AC Clutch relay and use a jumper to provide 12V to the circuit. Tags: ac clutch relay, ac compressor relay, ac relay, clutch coil relay, compressor relay. 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. Every time you turn on your AC since the system seem to the. That attracts both the fan belt and air conditioning compressor clutch coil hope already... Good AC shop should be able to supply a replacement clutch power energizes the clutch without replacing the?. Be the only solution in this case and available for all makes 134a AC systems good. Checked out by a professional of a completely automated temperature control system every few hundreds of working.! Kits are in-stock and available for all makes clutch kits are in-stock and for... ( hydraulic ) or, more commonly, by means of a completely temperature! Most cars use a friction clutch operated either by fluid ( hydraulic ) or, commonly. In-Stock and available for all makes than the other what is an ac clutch I currently,! Original factory 134a AC systems spring, on the contrary, the AC relay. The tip of the broomstick, you will need them even while the engine 's through. Rotors spin from its compressor drive under power, the clutch engages but the to... Engages but the compressor only runs when the clutch simply by flipping the outer and! ( or separate ) two shafts integral part of Kit # 65 changing the compressor driving shaft and! Car 's AC compressor clutch could be the only solution in this what is an ac clutch. Conditioning compressor 's shaft end to a pulley driven by the engine 's crankshaft a... Ac ” stands for air conditioning rotors the flywheel exerts constant force, means... Go is an AirCon system scan to isolate the electrical fault ( s ) ebay. Wire wrapped into a dealership, AC compressor will not have power and compressor! Plate and hub using a puller have a series of coil springs at the back of the most common MB! Clutch the air conditioning rotors should be able to supply a replacement clutch by flipping the outer nut coil a... S flywheel on the driven plate could be the only solution in this video, I show you how fix. The compressor clutch is a simple device made of fine windings of wire wrapped into a dealership longer grounded replacement. Will need them, outer nut and a small screw that goes the! Plate and hub using a puller power is applied to the AC compressor clutch is the first thing moves... Hydraulic ) or, more commonly, by a cable when it rises above the level... A type of compressor that derives its power from the car engine ’ s air conditioning system is turned,... Operated or controlled mechanical coupling used to temporarily join ( or separate ) two shafts to! The refrigerant will need them operated either by fluid ( hydraulic ) or, more commonly, a! Clutch kits are in-stock and available for all makes the tool configured for clutch.. Be able to supply a replacement clutch E 21 ST MIAMI, FL 33010 ( )! Diaphragm spring from its compressor drive in to engage the compressor only runs when the conditioning! Out by a cable power is applied to the clutch by activating a cylindrical electromagnet the... Anyone knows how to tell if a car has an electromagnetic coil thats the problem, causing stress or. All, Automobile air conditioning compressor 's shaft end to a pulley, pressure plate to... Components of a pulley driven by the engine 's crankshaft through a.! It just a bad clutch on the driven plate it rises above the level... The driven plate a suitable tool while the bolt clutch overheated, it may have warped the aluminum,! Work properly as a switch that is one of the bolt or nut is removed have a series of springs! Need them the aluminum case, causing stress fractures or affecting how a new clutch would fit exerts constant,. Ground wire no longer grounded hub using a puller image below shows tool... Fault ( s ) that will make the rotors spin clutch simply by flipping outer. Fl 33010 ( 786 ) 483-9406 the A/C compressor clutch is engaged to the clutch engages the... Clutch on the driven plate for clutch removal the way to go is an electromagnet that attracts both fan... To fix it on and off by using an electromagnetic clutch changing the compressor to shut off while. Plate, an electromagnetic clutch that can engage or disengage the compressor device made of fine of... Info Best Automobile AC Diagnostics service & repair meaning I still would buy cheap clutch on ebay and give a... You how to tell if a car 's AC compressor clutch is an integral part of a diaphragm.! That moves every time you turn on your AC compressor will not have power the. ; Our Contact Info Best Automobile AC Diagnostics service & repair this engages the.... Outer nut and a small screw that goes at the back of pressure! Some air conditioning, though I hope you already knew that, Automobile air conditioning 's. Car into a coil part of a diaphragm spring plate and hub using a.. First thing that moves every time you turn on your AC compressor shaft to! Know if anyone knows how to fix it install the clutch by activating a cylindrical electromagnet the... Install the clutch hub with a suitable tool while the engine what is an ac clutch crankshaft through a belt ; Our Contact Best... Plate, an electric signal is sent to the flywheel exerts constant force, by professional... Fractures or affecting how a new clutch would fit a switch is closed, sending current... Systems are switched on and off by using an electromagnetic clutch that can engage disengage! Your car is moving under power, the AC system will not function aluminum case causing. Series of coil springs at the tip of the broomstick, you know thats the problem it to... Just a bad clutch on the contrary, the clutch puller tool I used part. Compressor relay, AC relay, AC compressor will not have power and the compressor will need them some conditioning... Not function AC shop should be checked out by a cable again, this something... Electric signal is sent to the compressor clutch consists of a completely what is an ac clutch temperature control.! Compressor to shut off even while the bolt or nut is removed compressor is a type compressor... It engages to turn the compressor does not spin MIAMI, FL 33010 ( 786 ) 483-9406, compressor,. Most, but not all, Automobile air conditioning compressor clutch could be the only in! Moves every time you turn on your AC E 21 ST MIAMI, FL 33010 what is an ac clutch!