How To Fix Ac Compressor Clutch

For any Compressor W Clutch For questions, here is how to reach us for Compressor W Clutch For from Ebay. Electronic Blend Door Actuator is not functioning which would only allow warm air to pass through vents. Everything works great again. This will cause friction that will make the rotors spin. The electrical panel mounts to the side of the condensing unit where the wires enter the unit. When diagnosing an air conditioning issue, it's easiest to begin at the compressor: With the engine running turn the A/C on max cool, set fans high, and make sure that the clutch is engaging on the compressor. Finding and repairing the short or open in the air conditioning circuit will be necessary. BECOME A MEMBER. For any Oem Compressor questions, here is how to reach us for Oem Compressor from Ebay. A faulty compressor clutch can be replaced but it is generally recommended to replace the whole compressor to save time and additional cost. Re: A/C compressor clutch swap Post by hogdoctor » Mon Jun 03, 2019 2:50 pm there is a low system pressure cutout switch between the relay and the compressor clutch, so if you're getting power through the relay, but not to the compressor clutch, you could be low on refrigerant. I find the part to replace it and order it. In this video I go over how you can test your a/c compressor stator or coil, clutch and bearing and also how you can go about removing and replacing each one yourself. Air conditioner or heat pump compressor burn-out diagnosis & repair: This air conditioning repair article discusses the how to diagnose and replace a burned out air conditioner compressor, including evaluation of air conditioner compressor noises, hard starting, lost cooling capacity, and detection of a burned out compressor or A/C compressors at or near end of their life. The electric part of the clutch goes on the outside of the tube first then the pulley which has a bearing in it so it can freewheel on the tube. Parts - AC Compressor New, belt driven AC compressor, with O-rings and seals and connection hardware. Replace thermostat 5. With one lead on the connector pin and the other placed anywhere on the metal body, you should read 3-6 ohms on a good coil,. This guide will help you diagnose the problem when you start hearing strange noises. Bad clutch coil 6. Its just designed to shut down when there is a change in pressure most likely yes its low on feon but if its low there has to be a reason why I would get the system pressure checked. actions taken while AC was turned on full blast. Always verify that the cir-clip is in the groove by rotating it in the groove. can the compressor for the air ride suspension be oiled if its noisy? - can the air compressor for the air ride suspension be oiled if its noisy? × We use cookies to help our site to work, to help us understand how it is used, and to tailor advertising on this and other sites. It is then moved to the evaporator. For example, the mixer handles about 800 lbs + of drywall mud. Some vehicles may show a check engine light, or a service air conditioning warning lamp as well. Normally, when the air conditioner is active, the compressor users power from a fan belt to convert refrigerant (R12 or R134a, often referred to as Freon™) from a gas to a liquid. Air conditioner compressor clutch not engaging. The refrigerant Compressor is the heart of the A/C System. replaced relay with a relay I know works. Air Conditioning Clutch Electromagnetic coil fix. The typical complaint for an AC problem is the AC blows warm air. Automotive Air Conditioning Information Forum (Archives) My car AC compressor clutch does not engage? 2002 Tahoe Slugging Compressor fix. It is then moved to the evaporator. We proceeded to take it out and noticed corrosion between the clutch plate and the A/C compressor pulley. 5L 2003 2004 2005 送料無料! ドラムクック(drumcook)新料理スタイル!. AC compressor replacement DIY? VW MKIV-A4 TDIs (VE and PD) That is good news to hear- thank you gentlemen. The overload might be internally located in the compressor. If the spring portion of the clutch plate (the outer section) is worn or damaged by heat, the clutch may stay engaged, which results in the compressor pumping all the time while the car is running. It's a loud, deep, rubber on metal squeal. An AC compressor contains a motor with start and run windings. In this situation, you may need to replace both the clutch and the compressor to resolve the problem. Automotive Air Conditioning Information Forum (Archives) My car AC compressor clutch does not engage? 2002 Tahoe Slugging Compressor fix. Air Conditioning (A/C) Compressor. If not how do I do this. Usually this happens because the glue seperating the windings of the electromagnet gets old and brittle and cracks. Repair wire or check for power 3. Use the clutch removal tool to pull off the clutch. You may have to register before you can post: click the register link above to proceed. If the compressor clutch gets damaged, it will keep the air conditioning system permanently on or off. This article describes how to replace the air conditioner clutch found in late 80s and early 90s Chrysler mini-vans. Soa new compressor clutch is $135. actions taken while AC was turned on full blast. For an AC compressor to function properly you need an electrical connector, clutch, and bearing that’s in good working condition. There is coil cleaner available to make this job easier. Saturn air conditioner systems don't last forever, so you'll have to do this sooner or later. Remember that the ac compressor is a pump designed to compressor gas rather than liquid. The clutch failing is like the sound of the largest serpentine belt you've ever seen slipping. Need your BMW AC Compressor parts faster, try our expedited shipping options. 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. You should have 12 volts going in and out of the low-side pressure switch (if there is sufficient pressure). So I got in there to change the clutch and well, its definitely not the clutch. He said to go buy a used compressor and he would take off clutch and put in on mine. Replace thermostat 5. Bad thermostat 5. I believe low voltage at the clutch is what prompted our Voyager air conditioner’s demise. Took it to independent shop. I have a 2010 Honda Civic, It was running smoothly up till now, but the AC Compressor just destroyed itself this past Friday. The following images are from Volvo and describe replacing the magnetic clutch compressor. The a/c compressor clutch coil inside your car is an electromagnet that attracts both the fan belt and air conditioning rotors. This is especially true during the summer when the weather is hot, which can affect quality and performance. Operationally, here is what happens when you. Car will be ready tomorrow. Liter, air, lines. How to Fix Intermittent A/C in a Volvo (P1/All) As we approach the summer months, air conditioner use becomes a daily ritual; discovering that the AC functions intermittently could be devastating. for such an AC repair. When you turn your air conditioning on, the A/C compressor clutch is the first part to move. Air conditioner compressor clutch not engaging. Replace belt 2. The way that an air conditioner compressor works is as follows: “The working fluid arrives at the compressor as a cool, low-pressure gas. First you will want to check your coil resistance by using a multimeter. Two parts that make the air conditioner function are the AC compressor and the clutch. 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. Here are the most common causes of an AC compressor clutch not engaging: • AC system is low on refrigerant • AC system pressure is too high. By far the most common failure found when a car AC clutch won't engage is low refrigerant. How much to replace an ac compressor clutch for 2010 Honda Civic? 2 Answers. Here are the damaged ac clutch parts which show major wear. How does an AC compressor work?. Most of the time it is cheaper to replace the compressor than to repair it. You need to have your AirCon system checked over and possibly re-charged by a service quality machine. For example, the mixer handles about 800 lbs + of drywall mud. The AC compressor is the heart of the AC system. The AC in my wife's GM SUV stopped working in the past day or so. If it's blown. Is that a reasonable assumption? Is there a way to fix the clutch without replacing the entire compressor/clutch assembly? Thanks. If A/C flushing equipment is available, carry out flushing of the air conditioning system prior to installing a new air conditioning compressor. Failure of the air conditioning compressor is common because moisture or clogs in the system will place stress on the compressor. We feature Kit For Toyota Sienna in stock online. S, now, when I finish my work today, I will try to find service to check the right amount of the gas. AIR CONDITIONING COMPRESSOR CLUTCH. The clutch, bearing and electrical connector are essential for the AC compressor to work properly. PWM signal continuously varies between zero and 12 volts. The compressor clutch regulates when the AC compressor should turn on and off. A professional might be necessary to find the. The compressor clutch will NOT engage if the refrigerant charge is low. There are no shims to remove and it's 12 years old I was looking on ebay and a new compressor clutch is about $120 for a motorcraft A new AC compressor with new clutch and everything else evap canister is roughly around $210 is it better to just replace the entire thing or replace just the clutch. Low Refrigerant - low pressure switch has cut off clutch power Repair 1. If the engine is running with the clutch engaged and the transmission in neutral, the engine spins the input shaft of the transmission but power is not transmitted to the wheels. Broken compressor piston 4. If I had the whole compressor replaced It would have cost at least 1,000. the AC toggle switch I get the compressor clutch to. AC Compressor clutch will not engage. Faulty compressor clutches could be the result of an overcharged system. 99 AC Compressor 2002-2012 For Cavalier Cobalt Malibu For Pontiac G5 G6 CO 20741C. It is then moved to the evaporator. For example, the mixer handles about 800 lbs + of drywall mud. Price for 16 oz. 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. Electronic Blend Door Actuator is not functioning which would only allow warm air to pass through vents. The clutch system handles way more than an AC compressor and look to be about same size. Not only can ac compressor bearings go bad but AC seals can go bad to. Diagnose AC compressor clutch not engaging Diagnose AC compressor clutch not engaging If you have an AC compressor clutch not engaging condition, here are the diagnostic steps to take. List price for the compressor, if it was still available, was about $710, for the compressor clutch assembly was about $337, and for the receiver drier assembly was about $98. Today my air just turned hot so I am wondering if the AC clutch is the reason or if that 300 would be wasted because it more than just the clutch. Here are the new parts including the new cir-clip held in my hand. If voltage is around 12 volts or more, then clutch should be engaged when plugged in. Not wanting to spend that kind of money I Began to do some Research and found out how to fix the clutch for 23 bucks. Examining Air Conditioning Clutch Failures in the Field This guide can be used as a reference to diagnose clutch failures, and is specifically designed to help you differentiate between unwarrantable clutch failures and those that would normally fall under possible warranty consideration. The only hard part about this was replacing the expansion va. Hello Guys, I haven't had time yet to attempt a fix but I got a quote for around $300 for the AC clutch (part only) and around $500-600 for whole compressor (incl. AC Compressor not engaging. Air Conditioner blows warm air. The cost is $1100 (would have been $1900 if we want to replace AC compressor too). In the video he's actually replacing the pulley bearing on the AC for an Acrura 3. The A/C compressor clutch may wear out and break before the compressor itself does. I personally ended up only needing the bearing but used the whole new kit since I had it anyways. So I got in there to change the clutch and well, its definitely not the clutch. The temporary circuit to control the AC compressor clutch coil is NOT a fix that I would want to use for an extended period of time. This page explains how the air conditioning compressor works and why it could fail. Other problems result in a mechanical or electrical problem with the systems that need to be resolved. Automobile air conditioning repair, auto air a/c parts, a/c kits, installation and information on a/c compressors, condensers, and most other auto a/c parts. Get automotive switches, AC compressors, AC clutches, filters and more! Buy online, pick up in-store in 30 minutes. In this video you'll learn how you can fix a broken air conditioning control system on your car with a $30 bypass switch that will be much more reliable than your computer was. The ac/heater fuse is not blown. I pulled the electrical connector from the compressor, and it read 13 V when the AC was on, and 0 V when it was off. After that, I only needed to read the compressor replacement procedure, to convince my self that I don't really want to deal. Ac Compressor Not Working Troubleshooting Concord MA 01742 5. Diagnostics. What can cause the clutch to stop engaging?. Took it to independent shop. He was dead on and saved me hundreds of dollars on this repair. The a/c compressor clutch coil inside your car is an electromagnet that attracts both the fan belt and air conditioning rotors. Installation is in the reverse order of removal. If voltage is around 12 volts or more, then clutch should be engaged when plugged in. Add refrigerant Evaporator Not Cooling 1. Auto Zone, O'Rily or some auto store and they don't charge you at all it's free. Automobile air conditioning repair, auto air a/c parts, a/c kits, installation and information on a/c compressors, condensers, and most other auto a/c parts. 0 LITER, GAS. In those cases, you would require an immediate change service of the same. Nevertheless, if this does not help, it might be because you are using a bad AC compressor clutch. 2)Make sure you have the anti-theft code for the radio, then write down the frequencies for the radio preset buttons. Spending $2,200 - $2,800 for a new compressor into an ac unit is pretty close to just lighting money on fire in my opinion. and will continue to save you money as you learn how to diagnose fix problems. How to fix a squealing AC compressor clutch pulley was created by spelunkerd Recently I completed a compressor clutch pulley repair as a fix for a squealing serpentine belt on a '98 Dodge Ram. AC Compressor Clutch and Noise Repair was created by EricTheCarGuy I know I end up replacing the compressor clutch on this one but I also cover some other items that might make noise and how to fix them. I vacuum the system and filled with freon. As long as the nose of the compressor has not been damaged (like by a spun bearing) the clutch assembly can be changed to fix this problem. It still blows cold but when the compressor cycles on it makes a fairly loud rattling noise and when the clutch disengages it goes away. Next the field coil assembly will need to be removed then the new field coil will need to be installed and the rotor assembly after that. Buy 1999 Mazda B4000 A/C Compressor. The specific problem is the failure of a relay inside a small electronic module that is mounted in the engine compartment under the air filter housing. Two types of high-pressure cutout switches. fix to this (after you pay to repair it) is to turn. checked all fuses, and they look good. Hi all, I found that in my -2000 WJ V8 AC compressor clutch is occasionally not engaging. BMW E30 3 Series Air Conditioning Recharging and Repair terms how air conditioning works. Purchase online fast shipping, high quality, Made in USA AC compressor clutches & parts including bearings, hubs, electromagnetic coils, repair kits. AIR CONDITIONING COMPRESSOR CLUTCH. The compressor clutch will NOT engage if the refrigerant charge is low. Basic Clutch Information. Air Conditioning Compressor - Repair or Replace If your A/C compressor is leaking, noisy, or just doesn’t work, our technicians can repair your using genuine parts and factory approved repair methods. If it isn't, you need to find out why not. Continued from page 2. We opened the compressor and the oil, gaskets, o-rings were in pristine condition. The 2000 Xterra's Air Conditioning is sometimes cool but may not work other times. Run the engine. With engine running, fan and ac switch on, I was able to detect good voltage at the terminal. Find many great new & used options and get the best deals for AC Compressor Clutch Repair KIT Fits; KIA Optima 2001 - 2006 at the best online prices at eBay! Free shipping for many products!. Time-tested Advice About Fixing Your Car Problems. The shims that affect the magnetic plate clearance are located between the center bolt on the magnetic plate and the clutch pulley. AIR CONDITIONING COMPRESSOR CLUTCH. Car makers use an electro-magnetic clutch to. I searched all over the forums and was unable to find A solution for fixing a messed up A/C compressor clutch without either replacing the entire compressor for 460 bucks or buying the whole clutch assembly from Mazda for 260 bucks. Calculate your Repair "How much will it cost me?" Ultimately, all trips to the mechanic end with this question. The serpentine belt rides the A/C compressor pulley every time the engine runs, but the A/C compressor is working only when the A/C clutch engages it. Parts - AC Compressor New, belt driven AC compressor, with O-rings and seals and connection hardware. Repair the AC Clutch - An AC clutch engages and disengages the compressor when your car's air conditioning is turned on and off. How to fix a squealing AC compressor clutch pulley was created by spelunkerd Recently I completed a compressor clutch pulley repair as a fix for a squealing serpentine belt on a '98 Dodge Ram. Its been working wonderfully for the past month, but two days ago the a/c clutch fuse blew. In any auto air conditioning system, there are several key parts. My 94 GT just began having an issue with its ac. He was dead on and saved me hundreds of dollars on this repair. If I had the whole compressor replaced It would have cost at least 1,000. In the video he's actually replacing the pulley bearing on the AC for an Acrura 3. When you’re ready to make your A/C system repair, visit O’Reilly Auto Parts. The estimation was $3500. Note: this is not the pulley, but the center piece that engages the pulley to the compressor shaft. If it's blown. Check your fuse. 2) Open the vehicle's hood. We are specializing in the production of various brands of air conditioning accessories, main products are: compressor, condenser, evaporator, clutch, electronic fan. The general cause of the no/intermittent AC operation is the failure of the circuit that engages the AC compressor clutch. If it isn't, you need to find out why not. How to Add Freon to a Car and Manually Engage AC. AC compressor clutch assembly. To determine if the clutch is operational or not, try these techniques: Switch on the AC controls to MAX AC. Failure of the air conditioning compressor is common because moisture or clogs in the system will place stress on the compressor. I applied 12 volts at the compressor clutch and it came on. Remove the serpentine belt and unbolt the compressor from it's mounts and tilt it up so you can get to the front easier. You wouldn't want to replace the clutch, only to have the compressor itself fail catastrophically a few weeks later, shooting metal debris into the system. Repair the AC Clutch - An AC clutch engages and disengages the compressor when your car's air conditioning is turned on and off. A compressor failure, which is the pump that circulates the refrigerant through the system, transferring the heat from the inside to the outside,. Find Air Conditioning Compressor Pulley Removal Tools and get Free Shipping on Orders Over $99 at Summit Racing!. 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. The compressor squeezes the fluid. Repair wire or check for power 3. This page explains how the air conditioning compressor works and why it could fail. The air conditioner (A/C) cutout relay is designed to shut off the air conditioner compressor, by disengaging the A/C compressor clutch. On my 1993 toyota corolla (1. This Corrosion was not allowing the electromagnetic field to start the compressor (rust is a poor conductor of electrons). My ac just stopped blowing cold air one day, once I got home the compressor stopped engaging. Again, most common reason for an A/C compressor not engaging is a lack of refrigerant (check that first). I assume it's the clutch bearing because it's noisy even when the compressor is disengaged, and the character of the noise changes often gets quieter when the compressor cycles on. It was the compressor clutch so I took the plug off of the compressor. He was dead on and saved me hundreds of dollars on this repair. S, now, when I finish my work today, I will try to find service to check the right amount of the gas. 5L 2003 2004 2005 送料無料! ドラムクック(drumcook)新料理スタイル!. Its compression capacity is controlled by a PWM (pulse-wave modulated) signal from the ECU. The rest of the clutch bolts/presses onto the input shaft. I ordered an AC clutch, around $80 to $90, pulled the old clutch, not TOO difficult. I screw the big nut into the center hole of the clutch and then the bolt (or arbor) goes through the nut. Refilling the system required. If you don’t particularly want to replace your A/C clutch, you should read and follow the directions in the reference mentioned above. The compressor's clutch also may not engage and will just stay cycled off all the time. Bad clutch coil 6. When you turn your air conditioning on, the A/C compressor clutch is the first part to move. Saturn air conditioner systems don't last forever, so you'll have to do this sooner or later. Complete Catalog of Oem Compressor - Selection of Oem Compressor for sale online, including major Oem Compressor brands. Automotive Air Conditioning Information Forum (Archives) My car AC compressor clutch does not engage? 2002 Tahoe Slugging Compressor fix. AC compressor clutch fix?? HVAC. My AC compressor is making a noise - I've been told I need a new compressor : This page was written either before or soon after the millennium and applied to the AC of most cars at that point. When i got ready to install the new clutch, i noticed the shaft on the AC compressor had basically worn a groove on half of the outside tapered part, about 1/16th of an inch. If the compressor still does not come on, verify there is battery voltage to terminal #3 of the relay from fuse #25. Diagnose repair & replace Automotive Air Conditioning Clutch Products, systems on passenger cars, trucks and other automobile models. The motor turns a piston that compresses the system's refrigerant. Sometimes the clutch itself can be replaced, but usually replacing the entire compressor turns out to be the most efficient repair. Check your fuse. Pictured to the right are the three main components of a serpentine belt driven electronic compressor clutch assembly. The way that an air conditioner compressor works is as follows: “The working fluid arrives at the compressor as a cool, low-pressure gas. 4) Measuring the clearance between the compressor clutch friction surfaces. If it isn't, you need to find out why not. 3) Inspect the compressor's clutch. Now how do I tell if this is the clutch or the compressor that is the problem ?. Working on the 944 A/C system is no different than working on any other automotive A/C system. The electrical panel mounts to the side of the condensing unit where the wires enter the unit. Once I got to work and got some time to look at it I tracked it down to the ac it stop when ac is turned off Im guessing it is the ac clutch bearing. Locate the connector to the main wiring loom and disconnect it. Add refrigerant Evaporator Not Cooling 1. Faulty compressor clutch: If the clutch is not engaging with your compressor, than your compressor can't maintain the correct pressure. Diagnosing, removing and rebuilding the clutch is a simple matter of disassembling and replacing the bearing. Inspect the Compressor Clutch. Kit Toyota Camry 2007 Sale. As far as the AC compressor. Air Conditioner blows warm air. We offer a broad selection of AC clutches to service air-conditioning systems for passenger cars, SUV, vans and trucks. The serpentine belt rides the A/C compressor pulley every time the engine runs, but the A/C compressor is working only when the A/C clutch engages it. swap the a/c relay for testing no luck. If there is no cool air coming from the air conditioning system, an electrical malfunction could be the cause. Typical A/C compressor shown in illustrations. Luckily, Repair Clinic can help you figure out the problem so that you can fix an ac unit that runs constantly and does not shut off. On my 1993 toyota corolla (1. My clutch is failing. The ac/heater fuse is not blown. Repair wire or check for power 3. 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. No a/c compressor clutch engagement,no power at the a/c compressor wire. The ac/heater fuse is not blown. Try it only when the engine is stopped to avoid injury. I read somewhere that Honda was "unofficially" extending the warranty on this as there had been problems. If it's the compressor making the noise and not the pulley/clutch, that should work. The AC clutch failure can cause another problem with entire systems of your car. Pictured to the right are the three main components of a serpentine belt driven electronic compressor clutch assembly. The bearings in the AC compressor pulley often wear out. (Skip to step 10) There is an electrical problem in the air conditioning circuit. Faulty Compressor Clutch. once the AC button is deactive, the noise comes back. There are no shims to remove and it's 12 years old I was looking on ebay and a new compressor clutch is about $120 for a motorcraft A new AC compressor with new clutch and everything else evap canister is roughly around $210 is it better to just replace the entire thing or replace just the clutch. Broken belt 2. If you have a situation where your car's air conditioner compressor clutch doesn't engage, try the troubleshooting techniques described here. It's like the old AC clutch was harder material than the compressor. Loosen the mounting bolts with the box-end wrenches, and remove the bolts from the compressor clutch mounting bracket and lift the clutch out of the vehicle. Right now, the engine is apart and I'm going thru all the parts cleaning and sand/bead blasting away. for such an AC repair. Ac Compressor Not Working Troubleshooting Concord MA 01742 5. Air Conditioner Compressor Troubleshooting – Compressor Basics The Compressor Electrical Basics Compressor Start & Run Windings Whether it is a scroll compressor or a reciprocating compressor (of which scrolls and reciprocating compressors make up the bulk of residential air conditioner or heat pump compressors in use today) there are two. I believe the fan clutch needs replaced because air conditioning has started getting warmer at idle but am trying to diagnose the squealing sound that sometimes happens when the air conditioning is turned on. Is that a reasonable assumption? Is there a way to fix the clutch without replacing the entire compressor/clutch assembly? Thanks. The temporary circuit to control the AC compressor clutch coil is NOT a fix that I would want to use for an extended period of time. The ac compressor clutch is mounted on the front of the compressor and is a replaceable part. The clutch is what gives the pulley the ability to disengage and engage it from the power of the engine. 0 LITER, GAS. The AC in my wife's GM SUV stopped working in the past day or so. 2, but he talks about coil issues and how to replace it too. We proceeded to take it out and noticed corrosion between the clutch plate and the A/C compressor 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 general cause of the no/intermittent AC operation is the failure of the circuit that engages the AC compressor clutch. How To: AC Compressor Pulley Bearing Repair BEARING USED WAS LISTED FOR A P11 - GLOBAL AIR CB - 2502 Ok so new/reman AC compressors are more than I'd like to spend on trying to fix my AC since I'm in PA and its not an absolute necessity. Ships from Arnie Bauer Cadillac Buick GMC, Matteson IL. Another part that's prone to wear is the compressor clutch. In those cases, you would require an immediate change service of the same. It will free spin allowing engine to run when belt is in place. relay works fine; checked if power was going to the ac compressor. No a/c compressor clutch engagement,no power at the a/c compressor wire. What are common symptoms of a failing AC compressor?It's usually pretty easy to tell if your AC compressor is going bad, mainly by the interior temperature in your vehicle. If the clutch now works, replace the faulty relay. Subaru itself recommended replacement of the entire compressor if the clutch didn’t work properly or even if the clutch air gap was too large. On the other hand, if you're not an HVAC technician and need to hire one to do the job for you, a compressor fully installed can cost between $1,500 and $2,000. 03 Dental Air Compressor Silent Noiseless Oil Free 32L Air Kompressor Öl Gratis EU!. This set usually contains a brand-new compressor with clutch and essential sealing components. Advice for measuring amps or current draw to check for a seized or tight or failing A/C or heat pump compressor motor. The RPM your engine is turning, and the amount of cooling load on your air conditioning system will determine how often the compressor is engaged or disengaged. Signs of a Bad or Failing AC Compressor Relay.