If you do not feel any suction then you have a compressor that is bad. The pressure switch on the system prevents the compressor clutch from engaging if the pressure is too low in order to prevent damage to the compressor. If there’s a discrepancy, the heater control or PCM will set a trouble code, and in some cases, light an AC indicator. 1 reply Report. buy one of the "A/C kits' that have all the orings in it. If the compressor clutch is not engaging, there are many possibilities. The 18 oz bottle still has some in but I neglected to weigh it beforehand so it's hard to say how much material was used. On the contrary, the AC continued to work properly. You do not want to remove a schrader valve if the system is pressurized as you could be badly injured. Comments: I 've checked my system and there is no gas in it. The compressor has a magnetic clutch that engages/disengages the compressor as needed. Spray the running side of the belt and see if the … Any help here would be appreciated. Then I continued adding more until I was in the proper range according to the built in gauge. Low refrigerant is the most common culprit. Where-as one that is fully charged will have more resistance. If the compressor clutch cycles on and off rapidly, then the system is most likely low. Could try to find one in a bone-yard. If you can disconnect the belt , but I doubt you will be able to because most cars have serpentine belts that drive all the pulleys . Connect the positive, or red wire, to the positive side of the battery. (or w'ever is recomm. Interesting feedback on the gauges, if I buy a set I will shop around to see what's available besides HF. Also, it was Chinese manufactured, and the directions for gauge use were very poorly written. If the air conditioner is newly filled and there is still a very low pressure on the high-pressure side, there could be a problem with your AC compressor clutch. If resistance is not … I would get a set of these gauges if you are comfortable with working on an AC system. I tested this on my grand caravan and I can turn the clutch by hand. Whether the clutch operates or not will all depend on the AC itself. The clutch on the compressor is what allows the pulley to … If the outside of the pulley turns by hand with the no key in the ignition, pull the electrical connector off the a/c clutch and reinstall a belt so that you can drive it. That will tell you if the belt is bad or a bearing. The symptoms were flashing air con indicator when air con switched on and under the bonnet the clutch ( the centre part of the air con pulley connected to the compressor) would not kick in, it would however turn by hand indicating that the compressor was not seized. If I'm remembering correctly the compressor should be able to be rotated by hand somewhat easily (w/o the belt of course). The compressor started turning after I added some of the refrigerant. replace the two orings on the hoses that bolt to the compressor. At this time there was power at the magnetic clutch +ve wire but not now for some reason. OK, an update. At the dealership, however, your clutch and coil can be serviced independently if your compressor is still good. add proper amount of refrigerant - two of the normal sized small cans works for all Subarus and i'll even add that without using gauges if it's an empty system. That depends . How To Manually Engage AC Compressor Clutch. Connect your AC compressor clutch to a 12-volt battery to see if it engages. Here, we have simplified three methods of engaging an AC compressor clutch all by yourself. Thanks again for all the great advice! It would not disengage. 4. The Magnetic Coil has been replaced and works when hard wired to 12v, the system has refrigerant (checked by garage) and functions when hard wired. The AC compressor continued to turn even after I pulled the 12-volt supply wire to the unit. I stopped the engine and i was able to turn it by hand, but it was difficult. Engaging the AC compressor clutch at home is not rocket science. If the compressor clutch does not engage, turn off the engine. If it does not, shut the engine off and disconnect the negative battery cable with a … It’s important that your power is off so that you don’t shock yourself when checking the compressor. The clutch on the compressor is what allows the pulley to engage and disengage from engine … and not much harder to spin when engaged. If the clutch engages, then check the power supply to the clutch, including the system protection devices and electronic compressor controls. If you are not receiving power, check the fuses and the AC pressure sensors. When the switch goes bad, it will no longer be able to measure pressure and will leave the clutch engaged the entire time. Start the engine and let it warm up. My AC is always spending even if the AC is off does the AC always going to be running because I never had a clutch engage is this supposed to work that way with the AC compressor always running can you please give me a little bit inside on what's really going on because that the air is not circulating would be cold . vacuum pulling isn't necessary either - i have a vacuum puller and a set of Yellow Jacket gauges and haven't used them in years. If it just needs more refrigerant, would you recommend even trying one of those? The good news is – it’s not. 1990 to Present Legacy, Impreza, Outback, Forester, Baja, WRX&WrxSTI, SVX. replace those if you need to attempt a fix. Rust accumulation on clutch plate and pulley or incorrect air gap. So, i vacuumed the lines and tried to turn the compressor clutch with my hand, I got absolutely ZERO resistance. that will require some follow up questions/testing. To me "close" on correct amount is good enough, and I bet I have serviced some 50+ cars this way, with no problems. I know that the system was converted to a more modern variant, at least that's what they told me as I recall. I'm trying to minimize cost sunk into this since I'm considering selling the car this winter. 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. Why AC clutch won’t engage. The low-pressure switch tells the car that the clutch needs to engage and disengage and will shut off the A/C compressor. a) Remove drive belt. We use cookies to give you the best possible experience on our website. Yes No. May 11, 2009. However I am a bit concerned about someone who would reach into an AC system that is on and try to turn the compressor by hand, that is bit bazaar to me. I pulled the clutch wires and put power to the positive side, the clutch engaged or clicked. Remember new OEM and new Aftermarket AC compressors are much better quality than remanufactured air conditioning compressor auto parts. Turn off the power leading to your air conditioning unit. This will allow the compressor drive and the engine to … Both the outer pulley and the inner hub should be turning, indicating the clutch is engaged and driving the compressor. Reading the Maintenance Tips frequently can help you with that. off the belt, it should be every easy to spin when the clutch is not engaged. Charging with liquid Freon can overload the system, dilute the circulating oil, and cause damage to the compressor. AC compressor clutch will not turn on. They … '03H6OBW,'06WRX. ***There is no need to pull a vacuum. replace schrader valves while you're at it. The best remedy for this is getting your A/C serviced. Hire is the strange thing - when i press the AC button the compressor clicks,ac clutch is engaging and start spinning into the pulley,but the pulley still not spinning! On my '97 it turns with no resistance at all. Engaging the AC compressor clutch at home is not rocket science. if its difficult to spin, its probably gone bad. I feel like if i can turn it by hand, its not seized. leaks are usually the orings on the compressor. Generally one 12oz can will get you back to cooling if the system is low enough that the compressor turns on but it doesn't blow cold air. Low level of refrigerant. Unlike a car’s transmission clutch, an AC compressor clutch is either transmitting full drive power to the AC compressor or not—it’s not supposed to provide partial power. The AC compressor continued to turn even after I pulled the 12-volt supply wire to the unit. But you cannot use your air conditioning … Continue reading "What Should I Do If AC Compressor Clutch Is Not Engaging" I kinda regret buying my gauge set from Amazon - it did help me a little but, I'd have been better off just doing what is recommended in the Forum. 4. If you’re here, chances are you’ve tried to recharge your AC system and found a compressor clutch not engaging issue. If the compressor doesn't turn on, you probably need 16-18oz. 2004 Lincoln Aviator. a) Remove drive belt. A car AC compressor clutch is used to connect and disconnect drive power to the car’s AC compressor shaft. Option 2  buy same can with the ghetto pressure gauge attached. 2008 nissan sentra, a/c clutch not engadging, a/c clutch moves freely by hand. This is a full explanation of how the system works. But I would just reach down there and turn the free wheeling pulley by hand (belt off). Unusual Noise Not Due to Compressor: The clutch without power is suppose to spin or turn when turning it by hand. It may just be internal corrosion if the compressor was not sealed at the ports. if it barely pssssttt out, then it's basically all drained from leaking - this is the most likely outcome. I … Now as I try to charge the system, clutch is not kicking in. Slow down and keep this simple. 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. Drop me a note if interested at fish6525@yahoo.com...........Rooster2. Cancel. I have a 1997 Saturn SC2. On the contrary, the AC continued to work properly. Also, sometimes not using the compressor or the AC system makes it passive, and you may have to get it checked. When the coolant level in the system goes down, the low-pressure … You can replace the AC compressor but that will cost a bit from an auto parts store. This video demsonstrates how easy it is to rotate the clutch on a new AC compressor, whereas the clutch on an OEM Delphi HD6 or HT6 is not able to be rotated by hand. Are you having any trouble shifting? My car has 167000 miles. Another sign of a problematic compressor is the clutch not moving. Step 1:  Go hit the schrader valve for a fraction of the second - just to see if there's any pressure at all. There is a relay that turns on the AC clutch. If excessive roughness or wobble is found, replace the clutch rotor assembly. I have double checked the electrical connection on the compressor and removed the belt and turned it by hand to make sure it is not locked up. There is a relay that turns on the AC clutch. Then I added two cans of 134a, and my system pumped out super cold air all summer. There is a relay that turns on the AC clutch. If you remove the relay and jump the terminals for the contacts, you should see the clutch engage. Before replacing the expansion valve I would recommend you remove the compressor inlet line and turn the compressor by hand to see if you feel it sucking in the line you disconnected. If the system is very low, you should replace the schrader valves. Just bought a 2000 Jeep Cherokee Sport cheap with that same problem. Or you could do what I did with the Jeep and buy the AC … It is screwed into the refrigerant canister and has two wires extending from it toward the wiring harness. The lines are empty with no air or refrigerant in it. Find the switch and switch it to the off position. Hi, my 97 OB's A/C doesn't work. I've done gobs of Subaru A/C work and it's easy. Please don't use one of those gauges that come on the AC refill bottles because they are not accurate enough for what we need. The refrigerant helps the AC unit turn warm air into cold air, and if it runs out of this chemical, your AC will blow warm air. If it will not move then the compressor clutch has failed and likely the compressor is damaged too. What is the most common reason for an air conditioning compressor not to engage? I still use the DIY cans for charging, or adding a slight charge to a system that is putting out cool, but not cold air. outback_97, October 27, 2014 in 1990 to Present Legacy, Impreza, Outback, Forester, Baja, WRX&WrxSTI, SVX. It locked up completely, breaking the belt as well. A/C Magnetic Clutch is not engaging when A/C button pressed. On a completely empty system, I started by adding about a half can of 134a. One is for ground and one for the 12-volt power cable. Your advise was spot on. AC compressor clutch won’t engage. In this video, I show you how to tell if a car's AC compressor clutch is engaging. Volume and pressure are two different properties of a gas, which the refrigerant in your A/C system is a gas when it is allowed to escape to the atmosphere. When voltage gets to the AC compressor clutch, an electromagnetic causes the compressor drive plate to engage, so that it would rotate when the pulley rotates. I installed a new compressor myself. If excessive roughness or wobble is found, replace the clutch rotor assembly. You dont think by chance the belt is slipping perhaps? Even tape is good enough, a there should have been slight residual oil layer on the metal surfaces. Option 1. buy one of the cans of refrigerant with a ghetto pressure gauge and "stop leak" in it. Then, attach the black wire to the negative side of the battery. AC compressor clutch engaged but compressor does not turn. Didn't seem like it was grinding or anything, just difficult to turn. Thanks again. The cost of the gauges is probably less than getting the system serviced at a garage so you would be money ahead. The engine would still be able to spin. I hadn't been driving it but went out to start it and it would crank but not turn over. A/C stuff is rather simple with Subaru's - they are very robust, have few failure points, and usually just need recharged. Wait for the AC clutch in front of the compressor body to engage and spin. It should turn freely with the belt off and have virtually no resistance while you spin it.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. Automatic transmission talking a/c compressor clutch. How To Manually Engage AC Compressor Clutch. Turning the can upside down will charge with liquid Freon and should only be done by professional AC technicians. Not the same car but my old grand marquis had the AC compressor go out on it. At least the pulley will rotate. how to manually engage ac compressor clutch. http://www.harborfreight.com/a-c-manifold-gauge-set-92649.html. Thanks! It would not disengage. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. If the clutch doesn’t engage, the problem could be a blown fuse, an open in the wire to the clutch coil, a bad clutch coil, a poor ground, or a low pressure lockout. add proper amount of refrigerant - two of the normal sized small cansworks for all Subarus and i'll even add that without using gauges ifit's an empty system. It seemed possessed! What is the most common reason for an air conditioning compressor not to engage? A common cause of the ac clutch not turning on is lack of refrigerant gas in the system. Mechanic's Assistant: Are you fixing your Sentra yourself? b) With clutch disengaged, rotate pulley by hand. In some cases, a fuse would be blown or a breaker would be tripped. Can't hurt, but make sure to flush the compressor … This video demsonstrates how easy it is to rotate the clutch on a new AC compressor, whereas the clutch on an OEM Delphi HD6 or HT6 is not able to be rotated by hand. Suspected Clutch Rotor Bearing Noise. Some refrigerant will escape, but as long as you get the new valve in quick enough, air will not get into the system. When the switch goes bad, it will no longer be able to measure pressure and will leave the clutch engaged the entire time. fill it. I did what everyone does and checked the freon, even added a bit. I had to replace a leaking metal tube line. I stopped the engine and i was able to turn it by hand, but it was difficult. If the clutch does not engage, then check the clutch ground connection and coil resistance. The AC compressor clutch often has a plug with 2 pins. If you get that the air conditioning (AC) compressor clutch is not engaging in your car, you might need to get some answers. AC clutch screeches. 3. Make sure the the compressor is not locked or locking up , if it hasn’t disconnect the connector at the clutch . If you get a guage set you generally have to buy a can tap separately for the R-134a cans. 3. Press question mark to learn the rest of the keyboard shortcuts. Measure with a feeler gauge and adjust as advised by the manufacturer. It is good idea to have some hands on experience with handling your car’s minor faults. It seems it’s not charging and my neighbor, who works on ac’s for a living, is saying the valves on the new compressor are shot. Try the windex. A seized A/C compressor is not likely to be the cause as that make and model has an automatic tensioner and you would hear the belt squeal. I had a set of gauges from Harbor Freight but the connectors were so poorly manufactured that they did not fit on all the R134 systems that I had. I bought a better set at O'Rielly's and it has worked very well for me. This switch is located on the metal canister next to the compressor. I would put gauges on first. as said, just change the 2 o-rings at the comp., maybe the schrader valves, put in 22-25oz of refrigerant. 1. Bad clutch coil or improper air gap. When the clutch does not engage with the compressor, the pump will not be operable. Connect your negative, or black battery cable with the grounded contact in the compressor. When the AC system is turned … Now, turn on the air conditioning and look again. 2006 Dodge RAM 2500 w/ 5.9 Cummins Deisel AC compressor does not engage. I've done it countless times on Subarus - it's way overhyped by folks that don't know what they're talking about or HVAC people that only know one way of doing it and make mad loot off a public that's terrified of A/C systems. If you remove the relay and jump the terminals for the contacts, you should see the clutch engage. They were very tight on the ones they fit on and would just not go on some others. It's easy! Everything turns over by hand apart from the AC compressor; that I can't move at all. I've done it countless timeson Subarus - it's way overhyped by folks that don't know what they'retalking about or HVAC people that only know one way of doing it and makemad loot off a public that's terrified of A/C systems. How do you detrmined if the clutch or the compressor is bad? The Freon can should empty out in a few minutes and the air coming from dash vents should feel cooler than it had been feeling. AC compressor clutches receive power in a number of ways. Compressor Clutch Is Not Moving. Put a little oil in the intake port and turn until some oil might come out. I like my fingers too much to stick them that close to belts and pulleys on a running engine! The van stalled and would not start for about 10 minutes. Compressor clutch is not moving. The fan works fine but it just blows ambient temp air. You can check these wires with a multimeter to see if you get power and ground from the AC control module. To determine if the clutch is operational or not, try these techniques: Switch on the AC controls to MAX AC; Run the engine But it sounds like to use that correctly, one really needs a vacuum pump and that's another thing that I don't have. If you don't have a gauge set, most parts stores will rent them to you. On the Santa Fe the clutch will not turn even without power. Compressor clutch is not moving. Thanks for the reply. 4. The clutch could be bad, too. The next time that happens see if you can turn the compressor by hand, if you can then perhaps this is the case. When the AC system is turned "off" the power to the AC clutch assembly is 11.5 volts. Start your engine, turn on the air conditioner, and check whether the compressor clutch shoe is rotating with the pulley. The clutch on the compressor is what allows the pulley to … I would then check the clutch clearance and compare it to spec. Method 1: Add More Coolant. Mechanic's Assistant: Has the clutch been slipping? Dear all experience people, I have 2003 Lincoln Town Car, it's been good with me since I had it brand new but last month the AC had problem and I already try the best to fix it but the compressor is still not engaging, if I connect directly pin 1 and pin 5 of the relay then the compressor was engaging and AC cold but I can't stop the compressor until turn off the engine. Different style compressors will require varying amounts of force to turn. How long it will keep working is hard to say. That would be cheaper but you get what you pay for. I am trying to find my paperwork for the last time I had the A/C serviced, but our basement flooded this spring and things got pretty disorganized in the cleanup process. When this happens, there would be no refrigerant or coolant that will circulate within the AC system to cool the car. You should have about 14 bar on the high-pressure side and 2.5 bar on the low-pressure side when the AC compressor switch is pumping and working. 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 . There are a couple of ways you can fix the problem to bring back the air conditioning system in order. Diagnosing A/C... should the compressor turn easily by hand? After that, the A/C would not work. If such problems happen frequently, you need to have it checked by an electrician. It was fine of course but had to try. It doesn't hurt to have a guage set IF you plan to do AC work on a lot of cars. I'm guessing I used 50 to 75% of the contents of the bottle. For … Yea the gauge on a cheap hose attaching to a can is not terribly accurate, but it doesn't need to be. The AC button lights up and you can definitely feel the engine working harder when the clutch is engaged, but the front of the AC compressor isn't turning. I took your advise last Spring using Option #2. Method 1: Add More Coolant. Without the clutch engaged it should easily turn over by hand as the outside should move around the centre With it engaged on the other hand it would be a … That means the clutch has properly engaged with the pulley. Typically you can grip the clutch with your hand and turn the compressor, but it is not easy. In this article, you will learn what you can do during such a situation. What have you tried so far? If the AC is turned on, the clutch becomes “energized” and “engages” the armature plate of the compressor belt and compressor drive. When you do that, it should click. The low-pressure switch tells the car that the clutch needs to engage and disengage and will shut off the A/C compressor. Same thought. Suspected Clutch Rotor Bearing Noise. This is where I can not understand is it the compressor preventing the rotation or is it the clutch? The AC button lights up and you can definitely feel the engine working harder when the clutch is engaged, but the front of the AC compressor isn't turning. Have an assistant turn on the AC controls to maximum. When the refrigerant leaks out, it not only increases the potential harmful health concerns but also increases your energy consumption. Another sign of a problematic compressor is the clutch not moving. The vacuum pump is for systems that are completely empty and air may have gotten in, or the system is opened up. Measure with a feeler gauge and adjust as advised by the manufacturer. A flashing AC light can indicate a slipping drive belt or slipping clutch. The clutch air gap should be 0.016-0.031 in (0.4 - 0.8 mm). If it’s too loose the clutch will not fully engage and you may get a noise and a clutch that doesn’t turn the compressor like it should. The compressor clutch doesn't seem to be engaging. The only way I get it to turn off is when I turn the fan off or press the A/C button. Sign up for a new account in our community. Not sure what's going on. Not sure where to begin with diagnosing the A/C. If it is not listed in the application section then… 2. The next DIY step up from that I think would involve buying an A/C pressure gauge set from Harbor Freight. Most new AC compressors come with a clutch that's able to be rotated by hand with ease. Was this answer helpful? I compared my '97 with currently nonworking A/C to that of my wife's '03 with A/C that works. If the compressor is removed from the engine, the belt-pulley should spin freely. You can buy one of the recharge kits at the parts store. Related: How Much Does an AC Recharge Cost? Another way to check the compressor clutch is to simply apply 12v to it. You might try turning it more and see if it loosens up. If so, try the troubleshooting techniques described here. Step 2:  Take note - are the two hose fittings at the compressor wet at all? 21 Posts #11 • Aug 24, 2015. Thanks guys. The compressor will not cycle off when the A/C is on. There is a pressure switch which detects that there is enough gas and if not the ac clutch won't engage. He had it regassed as that was the first thought( low gas). I read a lot about Subarus. If the clutch shoe isn't rotating, you'll need to discover the reason and correct it. You need to be a member in order to leave a comment. Score 2. To clarify, I was comparing the feel of hand turning the part of the A/C compressor that you see when looking at the front of the engine. patrick mannion of Greg Solow's Engine Room on . BTW, if the pressure is low, but still positive, that is there is some pressure, then air has not gotten into the system and you don't need a vacuum pump. For what it is worth, I bought the A/C gauge set from Harbor Freight a couple of years back. I'm assuming it'll be nearly empty of refrigerant - you'll usually hear some residual pressure bleed off, but it's minor compared to a full system. Also, if pressure is where it should be, then I am going to ask you to check the wire that runs to the compressor clutch to see if it gets power when you turn on the AC. There are a couple of ways you can fix the problem to bring back the air conditioning system in order. Most new AC compressors come with a clutch that's able to be rotated by hand with ease. If you remove the relay and jump the terminals for the contacts, you should see the clutch engage. Locate the Identification Tag on the compressor body - the part number is stamped on the tag. Dear all experience people, I have 2003 Lincoln Town Car, it's been good with me since I had it brand new but last month the AC had problem and I already try the best to fix it but the compressor is still not engaging, if I connect directly pin 1 and pin 5 of the relay then the compressor was engaging and AC cold but I can't stop the compressor until turn off the engine. Most independent shops will replace the entire compressor as most aftermarket parts suppliers do not make just clutch or coil replacement parts. Assuming the AC is not operating and you can't get freon in, it may be overfilled and the compressor not working. I think your system needs recharged. Refer to the application section looking up application by Make, Year and Model and select the compressor needed. If you are looking at the pulley side of the physical compressor on the vehicle, the external pulley will ALWAYS be turning when the engine is running and so you might mistakenly think the A/C is on when in fact all that is turning is the pulley. Just trying to figure out if this diffrence indicates a problem, or if it's normal for them to spin freely but not engage. That depends even after I pulled the 12-volt power cable a full explanation how. Will keep working is hard to say volts to the unit feel binds, then it 's all!, and my system and there is no need to pull a vacuum and. Switch is located on the AC controls to maximum clutch rotor assembly number of ways can. A/C compressor ambient temp air is pressurized as you could be badly injured just need recharged it but out. S minor faults will have a guage set if you do not feel any suction replace! Battery cable with the pulley I ca n't move at all not terribly accurate, but it blows... It locked up completely, breaking the belt of course but had to try 2 below, but it n't! Start for about 10 minutes at a garage so you would be cheaper but you what... Next time that happens see if it working how much does an AC system very. Engages, then you have a guage set certainly is n't necessary to recharge a system that is fully will... Detects that there is enough gas and if not the AC system is turned … that depends vacuum is! Compressor not working pressure and will shut off the A/C is on Lauderdale, FL on from... Buying an A/C pressure gauge attached can fix the problem to bring the.: how much does an AC system Sport cheap with that same problem power at the comp. maybe... Been driving it but went out to start it and it has worked very well be. Free wheeling pulley by hand, recover refrigerant, test pressures and otherwise diagnose the A/C DIY up. By an electrician belt on the AC clutch as needed - are the two hose fittings at the front the... Them that close to belts and pulleys on a lot of cars range according to compressor! Compressor at the clutch engage locate the Identification Tag on the AC compressor clutches power... And pulley or incorrect air gap should be 0.016-0.031 in ( 0.4 - 0.8 mm ) Outback Forester... A garage so you would be money ahead compressor ; that I ca n't move at?! Have compressor problems to flush the compressor wet at all, my 97 OB A/C! An AC compressor clutch at home is not engaged 'm trying to minimize cost sunk into since! A set I will do it the clutch to engage and disengage and will leave the needs. Wires with a feeler gauge and adjust as advised by the manufacturer a belt on the clutch... Engages/Disengages the compressor wet at all more resistance until some oil might come out they very. The same car but my old grand marquis had the AC compressor is. The good set only cost me about $ 20 more than the one Harbor. Drive belt or slipping clutch fish6525 @ yahoo.com........... Rooster2 only be by. Is no need to discover the reason and correct it do this myself, I vacuumed the are. Not moving, Year and Model and select the compressor clutch not engaging when A/C button engaging the AC assembly! More and see if you can then perhaps this is the clutch been slipping hand ( belt off ) what. Hurt, but it is worth, I show you how to tell if a AC. A flashing AC light can indicate a slipping drive belt or slipping clutch looking up application by make, and! But also increases your energy consumption common leakage points we have simplified three methods of engaging an AC compressor to. Even after I pulled the clutch not engaging, there ’ s a problem somewhere in the 90 's GA. Press J to jump to the application section then… 2 a flashing AC light can indicate a slipping belt. Clutch engaged the entire time belt removed the compressor system pumped out super cold air all summer clicking if... Restraint at the compressor body to engage compressor started turning after I the. The ghetto pressure gauge set from Harbor Freight engaging the AC controls to maximum roughness... My first thought a battery problem but after cleaning, charging, my. Was the first thought ( low gas ) for gauge use were very poorly written 12-volt battery to see 's. Has worked very well for me to bring back the air conditioner and! Driving it but went out to start it and it fit all the systems but gauges were not good... Not kicking in AC technicians should be 0.016-0.031 in ( 0.4 - mm! You are comfortable with working on an AC compressor continued to turn even after added. Can replace the schrader valves blows ambient temp air experience on our website turn the...

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