Should Ac Compressor Clutch Spin Freely

I got a used one for $75. Thanks I ll give it a go. The clutch doesn't seem to fully un-engage, resulting in little to no power at the wheels. If the A/C system does not operate because of low temperature (below 15. Since I am removing the belts off the AC compressor until I can find the time to get into those controls, I do not need the idler wheel to just go from fan to alternator. The A/C compressor pulley spins free when the engine is running until the electromagnet in the clutch is energized. With a York, this is not necessary. Often the term transmission refers simply to the gearbox that uses gears and gear trains to provide speed and torque conversions from a rotating power source to another device. When i got home i looked at the engine with the AC off and everything is spinning fine except the AC of course, all the pulleys are moving fine, no issues what so ever. Gotta be the alternator that's causing the problem. When the clutch begins to spin, the pumping action of the clutch in it's cool state moves the fluid way from the working area until the valve moved it back. Then we come back out to take it for a spin. Due to excessive heat in the engine compartment near the A/C compressor, the bearing may fail over time. In any auto air conditioning system, there are several key parts. Your local store may have to order one. I am new to this car. If voltage is not being received at the clutch run a diagnostic on the vehicle electrical system. Tbh if the compressor was seized I would have said the belt would have been a victim!. (+/- Tools you may or may not have. As you may have guessed, I know next to nothing about the compressor. Ok, then before bypassing the compressor, I'll remove the fan/clutch assembly to see if the noise goes away. tighten all of the loose bolts on compressor and dampener. It should make a click sound then you can see the armature or compressor clutch pulley spinning. I got a used one for $75. to/2L9B6ti Refrigerant Refill kit: http://amzn. Of course, the pulley spins freely when the clutch is disengaged. How to start home AC by manually spinning the fan? - My compressor or something is messed up, can't get it serviced until later this week. When the clutch is powered, it engages, and there will be some drag since the compressor will be pumping, but the compressor should still turn fairly easily. This can be observed by attempting to bend the outer portion of the hub inward by hand (toward where the compressor would be when it's installed) while pressing outward on the splined inner portion. In an air conditioner, capacitors are connected to the three main motors: the compressor motor, the blower motor, and the outdoor fan motor. If it is not coming on then check ac relay, cycling switch, ac control head, wiring, and any. The high is around 200. Non-synchronous transmissions have overrunning clutches that lock and drive the output shaft in the first gear and the release and spin freely when the next gear engages and takes over. The pully itself spins freely on the supercharger input shaft. If the Clutch Pulley is unable to engage or disengage from engine power and spin freely (and you’ve verified the voltage), you may have a seized Compressor. The problem is that many mechanics spin a compressor to check for proper function before installing. A/C compressor not turning. ac compressor whine. Measuring the clearance between the compressor clutch friction surfaces. Car Care and Maintenance Glossary Whether you’re a passionate driveway DIY-er or a recent trip to a mechanic has left you baffled, our car care and maintenance glossary can help you brush up on your knowledge of common car maintenance terms, and diagnose underlying problems. Mine is not a belt chirp with ac clutch engaging first. We let it cool off all the way. Check the belt periodically to make sure it's in good shape. If the fan spins more than three times, you may have a bad fan clutch. Wait for the AC clutch in front of the compressor body to engage and spin. A/C Pulley Seized Could it be a bad bearing? The serpentine belt broke, and the A/C pulley is seized. Brand new bearings do not spin freely. is the fan clutch supposed to spin freely? mine turns with a slight resistance (but not much) and it stops the second I stop pushing it trying to get it to spin. You A/C compressor should turn freely in either direction, if you think that the AC is your problem try turning it off. The clutch does not spin at all, The release bearing is new, as is the pressure plate and clutch disc. one for radiator and one for a/c. If the pulley does not spin free all the time then your compressor bearing could be wearing out. Clutch moves, but they said not freely, needs force. 7 8--Installing Rotor and Bearin g Puller Fig. Best Answer: The a/c compressor normally has a magnetic clutch to engage and disengage it. BMW A/C Belt replacement Procedure The ac belt on your car is a strech belt with no belt tensioner. The compressor spins freely. Both the pulley and the clutch should be spinning. Does the AC compressor spin freely? With the ac clutch turned off? If it is binding, it could cause the belt to start jumping which would be a similar condition/sound. Ohm checking a one wire AC compressor clutch coil, the ground is supplied through the body of the compressor. You should be able to turn over the compressor by hand tools with the belt attached or not, of course with no engine running. My contact info is below in my signature. Credentials confirmed by a Fortune 500 verification firm. I found theses numbers on macktrucksemedia. Show Full Signature ~2005 Frontier 4x4 6-Speed Manual 160k Miles~. Mine does not. It spins easily, but has a sandy feel to it while spinning. As far as the AC compressor. In this position, the dog clutch is prevented from engaging. AC Compressor Removal. With compressor kit installed, and belt tightened, check angle of oil plug on compressor. Supercharger clutch The supercharger clutch works in the same way as an air conditioning compressor clutch. I hope that helps. Answer B is wrong. I hope one of you can help me answer. Learn how to troubleshoot and fix your washing machine. Designed to spin freely when AC off. An AC pulley is disconnected from the compressor when the clutch is deenergized, so it’ll spin freely. Is this normal? Does the compressor spin only when clutch is engaged? The AC is not working and I thought the pulley might be bad. The clutch pulley (the disc with the belt around it) should remain stationary, while the face plate should turn freely and smoothly by hand. second, once belt is off see if compressor spins freely, if so thats' not it. disconnect that lead and tape it off to rule that out. Under the hood, the belt is always spinning the pulley for the A/C compressor. We added the second can and it was running great and blowing cool air. Then the pulley is connected to and rotates the compressor. 00 dollars at the junk yard, pick out a working compressor, remove that from compressor and install on yoursor you can eliminte the compressor by buying a compressor eliminator. You should ALSO pickup a new serpentine belt at this time and be sure to order before you work. Ditto on the above. In this video, I show you how to tell if a car's AC compressor clutch is engaging. If the pulley is stiff you will need a thicker shim. You should hear a "click" when you apply power to the wire. Check contents of cartons against the enclosed packing lists. With car running starts boiling in reservoir after 10 min run time. However during normal AC operation the clutch operates in a continuous on/off/on condition to stabalize the freon pressure. If you aren't using the AC for an extended period you could simply pull the fuse. Then you pour that oil into a measuring cup and measure 6. Even tape is good enough, a there should have been slight residual oil layer on the metal surfaces. basically check every one of the pulleys that look like they should spin free. Both the pulley and the clutch should be spinning. It didn't make any odd noises or feel rough at all. What should I check next?. my dak has a/c it sorta sounds like it might. Cons’ of using pulleys: Getting the correct size vee belt can be difficult,. Attached to motors, capacitors perform the job of stabilizing voltage and providing the necessary jolt to start the motor in the first place. With the engine off. This can prevent the tensioner from spinning freely and can consequently cause greater damage to the engine. Turn the air conditioning controls to MAX AC and start the engine. Clutch replacement involves buying two parts: the clutch assembly and the clutch coil assembly. To test the clutch, ground the compressor, and touch the single wire to a positive battery terminal. Thanks, I should have tried that first. You A/C compressor should turn freely in either direction, if you think that the AC is your problem try turning it off. Ohm checking a one wire AC compressor clutch coil, the ground is supplied through the body of the compressor. second, once belt is off see if compressor spins freely, if so thats' not it. In British English, the term transmission refers to the whole drivetrain, including clutch, gearbox, prop shaft (for rear-wheel drive), differential, and final drive shafts. Replace the tensioner if you discover any binding. That it works better when it's cool outside is simply because cold air cools down condenser radiator faster. Did not want to charge the system if there is refrigerant at the correct level. The compressor spins freely/smoothly but the tighter I went on the tensioner pulley the louder it would screech. Given your comment it only happens when the ac is on leads me to suspect the compressor. The clutch pulley (the disc with the belt around it) should remain stationary, while the face plate should turn freely and smoothly by hand. Clutch suddenly quit engaging. Gotta be the alternator that's causing the problem. If that is the case, you are looking at either an AC clutch assembly or a new compressor. (+/- Tools you may or may not have. Did not want to charge the system if there is refrigerant at the correct level. Not only is the cold start hesitation and surging very much improved, but the overall engine performance is much, much smoother and I can no longer feel it when the AC compressor kicks in--a problem that had made it really hard to just drive smoothly with the stick shift. It doesn't engage only codes shown were B1459 and the sun sensor code which I understand are common fault codes that don't effect the operation. I also used compressed air to get rid of solvent/WD40 after I degreased the gears. If it makes a metal noise,or seems to drag,then this could be your problem. When the belt is worn, stretched or cracked it can slip or break, stopping the compressor and shutting down the A/C. Possible DIY fix for AC compressor clutches that are going bad. Its usually oily and very smooth so its impossible to hold onto tight enough to work. If it does not, shut the engine off and disconnect the negative battery cable with a socket. It may just be internal corrosion if the compressor was not sealed at the ports. It won't spin freely like an AC compressor pulley will, because the pulley is always connected to the pump portion and always moving fluid when turned. Again, most common reason for an A/C compressor not engaging is a lack of refrigerant (check that first). I got a used one for $75. Check the belt periodically to make sure it's in good shape. If you do not have this, the screw/nut/bolt turns freely along with the clutch. When they do spin the same speed, there is no more torque from the cone clutch, and the dog clutch is allowed to fall in to. Any binding, no matter how small is an indication of a serious tensioner problem. In an air conditioner, capacitors are connected to the three main motors: the compressor motor, the blower motor, and the outdoor fan motor. The belt should walk itself onto pulley up to about the last rib. Best Answer: The a/c compressor normally has a magnetic clutch to engage and disengage it. If the fan spins more than three times, you may have a bad fan clutch. 00 dollars at the junk yard, pick out a working compressor, remove that from compressor and install on yoursor you can eliminte the compressor by buying a compressor eliminator. Car Care and Maintenance Glossary Whether you’re a passionate driveway DIY-er or a recent trip to a mechanic has left you baffled, our car care and maintenance glossary can help you brush up on your knowledge of common car maintenance terms, and diagnose underlying problems. Once the clutch part fell apart the resistance stopped and the pulley was running freely again, the way it should when the AC is not turned on. I pulled my A/C belt off and continued home with no A/C. Start the engine and let it warm up. Find information & dealer locations here. The clutch cable works with two clutch levers to make it easy to press the clutch. The Thermal Fan Clutch is engaged at startup because a non-spinning thermal clutch will drain the fluid into the working area of the reservoir. Further: I replaced the water pump myself on Saturday. Should be able to tell real easy with the hood open. Ohm checking a one wire AC compressor clutch coil, the ground is supplied through the body of the compressor. The good thing is, the tensioner (if that's what it is) is only about $30If it's the AC clutch, that's about $150 and a PITA to change. if the clutch is bad, replace the whole AC compressor. That it works better when it's cool outside is simply because cold air cools down condenser radiator faster. I was checking under the hood and noticed the AC clutch isn't kicking in. If your clutch disc is broken you can buy a new one from the AC Compressor Rebuilding Facility referenced at the end of this write-up. Once the power steering pump and belt are out of the way, you can remove AC if it is equipped. We added the second can and it was running great and blowing cool air. My A/C compressor is stuck, can I start my engine? Ive been looking for answers on the internet but nothing matches my question. Spin the fan. Im dealing tghe same problem and it is so hot in CT. 0l turn freely by hand? Yes they freewheel until clutch engaged (air on) Does the pulley on the ac compressor turn freely?. Even with the clutch engaged, you can normaly turn the compressor by hand, it may be hard to turn but it should not be so hard that you cannot turn it even slightly. On older models there was a separate belt driving the A/C compressor. The reason that hot air was blowing out of the AC is because of the WOT AC cut off. The AC Compressor belt is driven off of the engine crank pulley and does not have any other accessories running off this small belt. With clutch disengage the pulley should spin freely with no wobbling or roughness/vibration Edited 19 March by rockabilly. The front disc is connected to the actual input shaft of the supercharger. A/C Compressor Clutch Inoperative, No cooling, A/C Relay Location If the A/C system is not cooling at all, check and see if the A/C compressor clutch is engaged (A/C Compressor shaft is turning). Check tire pressure Page 21 1. Just to be clear the grooved pulley on the compressor should turn freely and smoothly without any play. It's mild but it will bind a bit if you spin it fast. If you can spin the fan freely, it is bad. Here in the UK where I live the weather isn’t that hot in the summer so I am not bothered by the compressor that much, and I think once the compressor is taken out the parts can be put back in. You should be able to turn that by hand with some resistance, but you should not need a tool to do so in my experience. How do I get it started. The clutch won't engage and I can spin it freely by hand while the motor is running. The clutch on my ac compressor doesn't engage, I can spin it freely by hand, checked both fuses and changed ac clutch - Answered by a verified Saturn Mechanic We use cookies to give you the best possible experience on our website. As you may have guessed, I know next to nothing about the compressor. In addition to unplugging that, you need to remove the four mounting bolts that hold it to the block. With compressor kit installed, and belt tightened, check angle of oil plug on compressor. new compressor always equals new receiver/dryer , accumlator unless you want it to fail prematurely. With the engine off, remove the serpentine belt from the AC compressor, pull the fuse, and spin the compressor pulley by hand. The fuse is good, and plug that goes into compressor gets 12. Denso is the original manufacturer, I believe. An AC pulley is disconnected from the compressor when the clutch is deenergized, so it'll spin freely. It should make a click sound then you can see the armature or compressor clutch pulley spinning. This guide will help you diagnose the problem when you start hearing strange noises. In British English, the term transmission refers to the whole drivetrain, including clutch, gearbox, prop shaft (for rear-wheel drive), differential, and final drive shafts. Feel the pully for any looseness, tight spots. I also have an 03 GMC and recently replaced the cycle switch after testing and finding that it was bad. All pulleys really should turn freely with no binding, roughness or wobble. The inner part of the pulley is what actually makes the compressor turn. When the system went bad, you could simply take off the belt and quiet the compressor. That is one of the most common negligence MB owners do. Have an assistant turn on the AC controls to maximum. 0T with 80K. Drain out all the oil into a clean container. The high is around 200. It should turn freely without any catching or dragging. A bad pully will wobble/vibrate all the time, often getting better when the AC compressor is engaged. Seems my AC is not blowing cold air, I have check the obvious things that I can think of but I'm out Ideas now. If you cannot turn the outer part of the compressor clutch then something is wrong with the compressor internally and you'll likely have to replace it to fix the problem. Take the belt off and spin the compressor hub and see if it spins smooth or rough. This air conditioner compressor clutch response should be observed during the MaxxPro mine-resistant ambush-protected (MRAP) vehicle DRY mode check of the life support and heating, ventilation, and air conditioning systems function check?. Answer B is wrong. Not the pulley but the clutch itself. Yes, you CAN replace just the clutch on the AC compressor, however, most people will tell you not to waste your time. If you have an air compressor, I suggest you get rid of some of that clutch dust in the bellhousing. Forum discussion: My dad just had the A/C condenser replaced on his 2000 V6 Grand Vitara. The gerotor compressor of claim 1, wherein said gerotor compressor is an axial-flow gerotor compressor. Again, not good for the compressor. After removing the belly pan, I noticed the clutch pulley of the A/C compressor was spinning freely. When turned off the outside should spin free, but if the internal mechanism is locked / seized you won't be able to turn the center disc part of that clutch. How to start home AC by manually spinning the fan? - My compressor or something is messed up, can't get it serviced until later this week. Pull he belt off. take note of the gap, it may not look like much but trust me, the gap is too big. This can be accomplished by determining what the washer is supposed to be doing based on the cycle that it is on. If you remove the relay and jump the terminals for the contacts, you should see the clutch engage. Start the engine and let it warm up. The auto parts store should be able to quote you a belt for a vehicle with no A\C option. The compressor pulley and clutch both spin pretty freely, but I think the pulley bearing was damaged when the coil melted and spewed melted plastic everywhere. (+/- Tools you may or may not have. It should move freely. it has a clutch on the pully. If you need to replace the AC clutch you are better off paying to have it done professionally, they can be an absolute pain in the bum if you dont have the correct tools. The fan clutch is just what the name says, it is a mechanism that will clutch the fan on and off depending on the need for more or less cooling air to flow thru the radiator. The clutch plate should be spinning when the AC is on, stationary when it isn't. Car question Discussion in 'The If you just leave the wires disconnected for the compressor clutch, it should be impossible to turn on and should just spin freely. She brought it in so I could look at it and it was working fine. Perform "Compressor Clutch R otor and Bearing Assembly Removal". I would like to know what is the solution because I just replaced a used good A/c compressor, my previous wasn't spinning freely like the used one that I bought. I changed out my ac clutch not too long ago and it wasn't so bad. Also the cooling fan should come on with the air conditioner compressor. The clutch not being able to be spun by hand has caught more than one experienced mechanic off guard. The pulley should run on a true axis with the aircon engaged. Not the usual clunky one. pull the belt and see if you can turn the AC compressor by hand(the compressor- not just the pulley- the pulley. So i bought a used one from a member and his spins freely alsois the ac compressor clutch supposed to spin freely. 6° C / 60° F. Our nightmare started a few months ago The AC in the van would start blowing warm, but when we would stop and turn off the engine and the when we restarted the engine, we would have cold air again That lasted a couple of weeks and then it started blowing warm and stayed that way. You should be able to wiggle the belt in and out the belt no more than + or - 1/4" when it is properly tensioned. I could not bring myself to replace a perfectly good part. Then the pulley is connected to and rotates the compressor. now here's a piece of mechanics wire long enough to do the job. To run this clutch compressor, the engine is connected directly to the pump rotor of the compressor using a belt. cause the A/C compressor to cycle, this will normally be above 15. If it makes a metal noise,or seems to drag,then this could be your problem. Engagement can be seen by the center cap of the compressor's pulley moving with the pulley. you need a new orifice tube and a flush at least along with the compressor. When the clutch is on it will be hard to turn the compressor, But it should turn. When i got home i looked at the engine with the AC off and everything is spinning fine except the AC of course, all the pulleys are moving fine, no issues what so ever. Knowing when your AC compressor is running or not is critical to diagnosing the AC system, but also for charging the system. 0l turn freely by hand? Yes they freewheel until clutch engaged (air on) Does the pulley on the ac compressor turn freely?. The gerotor compressor of claim 1, wherein said gerotor compressor is an axial-flow gerotor compressor. It should turn freely with the belt off and have virtually no resistance while you spin it. Maybe I will go out and do the plug wires after dinner. experience as repair shop manager and technician. The Vmac III engine control specs and troubleshooting for AC engine manual should be number 8-348. 0l turn freely by hand? Yes they freewheel until clutch engaged (air on) Does the pulley on the ac compressor turn freely?. Pro’s of using pulleys: Run relatively quietly. , does it move freely?, now apply power to the clutch and try spinning again,if it spins freely the clutch coil is bad, if it is very hard to spin the clutch is working and time to move on to another section. The OEM fan clutch should be coming in on Monday so I will keep yall informed as to whether or not it does disengage or if all of them are just going to be this way now. Either low freon or just flat out going bad. After that you're gonna need a schematic to accurately trace down the break in the circuit. Some automobiles will have two electric fans, one is the air conditioner condenser fan and the other is for the radiator. Answer B is wrong. Your local store may have to order one. They have a breakaway torque specification (I can't recall exact figure--xxft-lbs???), but should not spin freely unless open. The fan clutch is just what the name says, it is a mechanism that will clutch the fan on and off depending on the need for more or less cooling air to flow thru the radiator. I ordered a fan clutch yesterday to be in today. The sprocket teeth should be well defined, not rounded and the valleys between the teeth should be clean. The blower motor resistor is responsible for powering the blower motor directly, so if it fails major issues in the heater and air conditioning system as if the Power is completely cut off to the motor due to overheating or corrosion the motor would simply not work, which would leave the whole heater and air conditioning system useless with no. The inner part of the pulley is what actually makes the compressor turn. I hope that helps. Even with the clutch engaged, you can normaly turn the compressor by hand, it may be hard to turn but it should not be so hard that you cannot turn it even slightly. My compressor has 219K on it, factory unit, likely first time it was ever "opened up". This is how I use mine majority of the time unless hot or foggy, etc. If voltage is not being received at the clutch run a diagnostic on the vehicle electrical system. If you need to replace the AC clutch you are better off paying to have it done professionally, they can be an absolute pain in the bum if you dont have the correct tools. Clutch moves, but they said not freely, needs force. If it is engaged and howls, squeals or other wise make an aweful noise it usually be the compressor getting ready to fail. Remove the serpentine belt. If you can't turn the compressor over by hand pretty easily, most likely it is locking up. If the clutch does not engage, check the power to the clutch. Should spin freely with no resistance if the A/C clutch isn't engaged, which obviously it should never be engaged with the ignition off. This guide will help you diagnose the problem when you start hearing strange noises. It is a simple process and only involves locating the compressor clutch, and then using your eyes to see if it is. The last thing,if you go to a web site called. If the clutch spins freely at all times, and the compressor never comes on, then it may not be engaging and therefore needs to be replaced. The problem is that many mechanics spin a compressor to check for proper function before installing. So clutch hard to move cause pulley if frozen or clutch hard to move cause compressor is shot? I guess there is no really way of knowing unless its pulled. The part of the AC compressor that you can spin with your hand is the compressor clutch. or as my dearly departed grand daddy would say "thiMk". The clutch doesn't seem to fully un-engage, resulting in little to no power at the wheels. AC Compressor Removal. It can take up to 2 minutes for full cooling fan clutch engagement. If the clutch doesn’t engage, the air conditioning compressor can’t pump refrigerant. I have a clamp on amp meter, but I think it only works for AC current. Then I noticed that my horn wasn't working either. I had the same issue. In any auto air conditioning system, there are several key parts. You specify it is frozen. Wait for the AC clutch in front of the compressor body to engage and spin. Remove the fan belt and try spinning the clutch assy. In an air conditioner, capacitors are connected to the three main motors: the compressor motor, the blower motor, and the outdoor fan motor. The synchro ring rotates slightly due to the frictional torque from the cone clutch. When turned off the outside should spin free, but if the internal mechanism is locked / seized you won't be able to turn the center disc part of that clutch. My Air Conditioner just stopped working yesterday. The replacement serpentine accessory belt that I purchased for my "Made In Canada" (A. We added the second can and it was running great and blowing cool air. They have a breakaway torque specification (I can't recall exact figure--xxft-lbs???), but should not spin freely unless open. im in the middle of a bhg job and noticed my a/c compressor clutch was spinning freely and i thought their was supposed to be some resistance. To test the clutch, ground the compressor, and touch the single wire to a positive battery terminal. Often the term transmission refers simply to the gearbox that uses gears and gear trains to provide speed and torque conversions from a rotating power source to another device. You should be able to turn over the compressor by hand tools with the belt attached or not, of course with no engine running. My compressor has 219K on it, factory unit, likely first time it was ever "opened up". Possible DIY fix for AC compressor clutches that are going bad. Two types of high-pressure cutout switches. My A/C compressor is stuck, can I start my engine? Ive been looking for answers on the internet but nothing matches my question. You might try turning it more and see if it loosens up. With the belt off, the outer grooved pulley is locked up, but the inner "clutch?"/compressor shaft spins freely. Most car AC systems use an electromagnetic clutch element that engages the compressor to spin the air conditioning unit. Designed to spin freely when AC off. So clutch hard to move cause pulley if frozen or clutch hard to move cause compressor is shot? I guess there is no really way of knowing unless its pulled. My contact info is below in my signature. The gerotor compressor of claim 4, further comprising: a valve plate positioned adjacent to an end of said outer gerotor; and a stationary center shaft connected to said valve plate. Spray a few squirts of white lithium grease in the hole and continue to spin the drive. Just don't breath it. If it makes strange noises or grinds to a halt, replace the fan. When the clutch is powered, it engages, and there will be some drag since the compressor will be pumping, but the compressor should still turn fairly easily. Not the usual clunky one. I can spin the clutch (center piece) 3/4 of a full rotation with the car off. Replace the tensioner if you discover any binding. 5L the a/c blows but hot air will come out and the a/c clutch clicks on. The pulley should spin freely but the clutch plate end won't spin but you can turn it to feel any binding or roughness. There is a relay that turns on the AC clutch. It should spin easily and make a few rotations after your hand gave it a twist. Remove the fan belt and try spinning the clutch assy.