Is there any documentation on how to do it? Thanks. It's like the old AC clutch was harder material than the compressor. If any part of you draw more than 30 Amp, I'm gonna turn you off. My Window AC Unit Has Stopped Working How Do I Fix This? Question: Recently I unplugged my window mounted air conditioning (A/C) unit as it was running to relocate it. This is done by condensing water vapor to liquid form and draining the condensate outdoors or into the drainage system of the house. This car has the best AC of any car I've owned in the 30 years I've been driving. DISCHARGE GAS IN NEW COMPRESSOR FROM CHARGING VALVE BEFORE INSTALLING IT If the gas in the new compressor is not discharged first, compressor oil will spray out with gas when the plug is removed. We're sure this How to Replace an A/C Compressor article will help you get your car back on track!. Any ideas on how to run my AC compressor. Replacing The AC Compressor Clutch. This DIY repair guide explains how to rebuild the pump on an air compressor. We're sure this How to Replace an A/C Condenser article will help you get your car back on track!. 3 you will need to do this. AC blew cold yesterdaytoday it only blown ambient air temp. second, remove the intake2. I am at a loss. What this is, however, is confirmation that a reasonably experienced DIY'er can replace these items at home, without the need to disconnect the compressor from the car's AC lines. According to my Fluke, the temp at the front vents is 36 and 40 at the rear AC vents. Your car AC is a closed system, meaning it never needs “topping off” or “charging up” if it’s working properly. I have a 2000 E430. This is why the debris can be challenging to remove and cause repeat compressor failures. In simple terms, an A/C Compressor is a pump. If you're not ready to replace a damaged A/C compressor or clutch, consider an A/C compressor bypass pulley. You can do this for probably $700 total. When the air compressor is plugged in there is power at the switch. Here are some things to consider before you call an air conditioning repairman to insure you don't get an $80 or $100 charge for a minor item. company, and quickly obtain the latest quotation, select more quality Refrigeration Maintenance Tools manufacturers and suppliers on coowor. Unfortunately it has probably been used with low or no gas left in it, which then damages the compressor. The compressor will eventually need to replaced in a home air-conditioning system that is used often. I think that is the right number for the a/c compressor, that's what my 03 LS has in it and unfortunately there is no way to check the oil level in the system, the oil circulates with the gas and some portions of the oil is retained in the receiver/drier, the condensor, the evaporator, etc. My AC works for a while then suddenly gets humid, then full hot. 11-02-11 10:25 AM - Post# 2153803 In response to bignmuddy Im not sure about how to bypass the AC compressor, but I have heard of people doing it. Mold can accumulate in the spring months before the air conditioner is uncovered due to the increased moisture inside. The compressor normally will maintain app 2 oz of lubricant. How to Open, Check & Clean the Outdoor AC Compressor. Take a peice of rope or string wrap it around all the other pully. He's a very cheap mechanic (ac compressor repair will cost 550 instead of the 800+ many mechanics are quoting me). Cold Hose is an automotive air conditioning fitting and hose website. Disconnect the electrical. The location of the overload protector is with the start relay on or near the compressor. When the compressor gets damaged on the outside the metal fins get crushed like this. My auto air conditioning will not shut off what can I do? or how do i disable for winter months? To simply disable the a/c compressor, you can remove fuse #9 in. Contrary to popular perception, AC units don’t add cool air to a space, but rather take heat out of it. Remove belt, disconnect the two freon lines which is usually on a block held by one bolt, then 4 bolts for the compressor. The disconnect is a non-fuse, puller type and is UL listed with an enclosed pull-out switch. In fact it has been serviced, the guy's my landlady sends just say "you need new one". When there is warm weather, the air conditioning system can act as a dehumidifier in addition to lowering temperatures and filtering impurities. My father in law owns a body shop so i have access to a pumping system to remove all the freon in the truck and replace it all when I'm finished. Remove the A/C Compressor mounting stud. com FREE DELIVERY possible on eligible purchases. Some folks disconnect the compressor switch. To add to the misery, they are peening that bearing in now. If the coil loses magnetism, then the air conditioning rotor will have no source of power, and it will lead to an air-con malfunction. The compressor will eventually need to replaced in a home air-conditioning system that is used often. If the air conditioner compressor bearings are bad and or the air conditioner clutch you'll have to remove the entire compressor and buy a shorter serpentine belt, if you're lucky. These fragments stick to the thin oil mixed with the Freon which is how the compressor is lubricated. It's officially spring, which means it's time to get your air conditioner ready for cooling season. According to my Fluke, the temp at the front vents is 36 and 40 at the rear AC vents. Cold hose has weld on barbs, compressor adapters, and much more on the specialty fittings page. When to replace the condensing unit only. It was checked. Could I have too much oil in the compressor? A think this is a necessary step to avoid sucking air back into the AC when you disconnect the pump hose and there is. Freon is added to a closed looped system and continuously recycled. (I looked at what he tested) There is no Freeon in the AC Compressor now because it leaks. To remove the compressor, first recover the refrigerant from the system using the proper equipment. For larger blockages, use a wet-vac or air compressor to remove the blockage. They are used for lubrication, removal of heat and for sealing. I want to remove drive belt the runs my ac compressor. I Was Told I Need a Disconnect on my AC Unit. Part #4214. Do everything you can to reduce the noise before you record. Could I have too much oil in the compressor? A think this is a necessary step to avoid sucking air back into the AC when you disconnect the pump hose and there is. Should I cover my air conditioner for winter? It's difficult to find an appropriate cover, but finding a cover for an evaporation cooler is easy (and because they allow for air flow from the outdoors, it makes sense). My 24 year old home A\C went out some time Sunday morning. The dye check will not work if the system is too low and the compressor is not cycling. Problem Solved. It wasn't blowing really cold so I bought a low side pressure gauge read the instructions plus the FSM and dove in. Filter dryer can either be a separate part to the receiver, or these three parts could be integrated into a single unit. A professional will examine your air conditioner carefully and determine why it needs to be reset so often. Removal 1) Remove compressor from vehicle. While the effectiveness of your air conditioner depends upon many factors, the part of the unit professionals usually look at first is the air conditioning compressor. Don't know about the difficulty of getting your drier out, most are easy but some are buried behind lots of stuff that has to be moved out of the way. Re: Removing AC pump & everything associated with the AC? I have now taken the ac compressor out & it's sitting on my kitchen table. I just don't know how that compressor is going to fit around everything to actually remove it from the vehicle. " "I think you are doing the very best you can," she said. DISCHARGE GAS IN NEW COMPRESSOR FROM CHARGING VALVE BEFORE INSTALLING IT If the gas in the new compressor is not discharged first, compressor oil will spray out with gas when the plug is removed. I want to disconnect the A/C compressor permanently. Everything is good now, you can hang meat in my truck if you wanted to. The relay is accessed from the lower rear of the refrigerator. While attaching the compressor to my bracket the bracket to the compressor and casing cracked. I can hard wire the compressor and it works. Hi, I have recently noticed that my air conditioning compressor doesnt run as before, previously, since i knew my AC clutch was quite worn out i would put fan on power setting 2 and it would run continously, i had to put it on 2 because on 1 it was engaging and disengaging wich has sense since air flow is much lower. Common Odors. If the compressor felt is saturated with oil, the shaft seal is leaking and must be replaced. I am at a loss. Could I have too much oil in the compressor? A think this is a necessary step to avoid sucking air back into the AC when you disconnect the pump hose and there is. My answer will add some very needed physics here. If your central air conditioner will not cool but you can hear it running, it may just need to be cleaned. When the can is empty (about five minutes), turn the car off, disconnect the nozzle, and remove the can from the valve. Is this good enough to 'disconnect' the A/C (knowing that my gas mileage will suffer because the A/C is still on the belt circuit)?. The ac isn’t working. Any of these symptoms can indicate a compressor that has stopped working, although in some cases you may just need to add AC compressor oil (we have that too). All the fittings and hoses are indexed by size and or thread size. In many situations, the AC compressor lasts the whole life of the vehicle without requiring replacement, although failure is more likely after 150,000km. Remove the compressor's mounting bolts and pull the unit from the vehicle. There has been a technical bulletin issued for the compressor. My AC Compressor is making a thumping sound and the pulley has a slight wobble it seems. The ball is stainless steel and the body is brass, so if it is sticking it probably just has sludge in it. I can smell grass if my or my neighbor cut our grass, etc. Any thoughts?. Air conditioning disconnects are an electrical component box located near the compressor, usually outside the home, separate from your household electrical box. Ok I have a 2002 Gmc sierra 2500 HD crew cab. I don't know why my original mechanic didn't warn me about all this. Compressor shaft seals, Schrader valves, and even the rubber hoses themselves can develop slow weepage over time. However, "Need help with my 2008 LaCrosse" will. "We should be thinking rationally and not about profit. Evac and recharge the system. The 220V circuit is single phase and the receptacle is a NEMA 14-50. Applies to: CHEVROLET SILVERADO 1500 Remove the single bolt holding on the AC lines by using a 15mm socket. The AC Compressor replacement cost is minimal compared to the amount of comfort and solace that a nice cool can provide on a hot summer day. My Window AC Unit Has Stopped Working How Do I Fix This? Question: Recently I unplugged my window mounted air conditioning (A/C) unit as it was running to relocate it. Or remove the top of the compressor n check the valves to know if they are working. Then, the compressor forces the refrigerant into the condenser. How do I clean the air filters in my air conditioner? The procedure to remove the 'fascia' (i. Your AC should only run when it is either on the two AC settings or when it is on the Defrost only setting or the mix of defrost and heat to the lower vents. The compressor pulley always turns when the. It works sometimes and when it doesn’t the compressor start and stop immediately. Freon gas leaks can ocurr at the outdoor compressor or indoors as the Freonliquid is pumped into the AC unit. Here’s what can cause your cold air to lose its cool. I used to add a can of r134a every few weeks. Either remove the valve and fit a refrigerant valve with a shraeder (1/4" flare) fitting or make a POL to 1/4" flare adapter. You WILL NOT be able to unmount the AC Compressor. The external-drive compressor has a crankshaft that is driven by a pulley and. My father in law owns a body shop so i have access to a pumping system to remove all the freon in the truck and replace it all when I'm finished. A/c Compressor Testing - posted in Ford Galaxy Technical Section MK I MK II: Hi everyone, glad to see forum back and running My A/C does not work. The car air conditioner compressor is the heart of the system. Remove the compressor mounting bolts. I borrowed a meter from a coworker that will measure "in-rush" current. There are several types of air conditioner compressors, including a rotary, reciprocating, scroll and variable speed compressor. This safety disconnect will have over current protection in the form of a circuit breaker or fuse. I took the car to a Machenic to look at and tested the AC Compressor. This is done by condensing water vapor to liquid form and draining the condensate outdoors or into the drainage system of the house. There are several possible causes as to why an air conditioner’s compressor would quickly turn on and off. I hooked a pressure gauge up to the low side port and it has 25PSI, which is at the low end of the "Safe" zone on my guage. AC compressor replacement. I currently have it connected to a cycle timer. I thought it might be prudent to add some 134a and see if that helps, but I don't want to do any damage to the system. You can remove the connector for the pressure switch and check to see if you have power at either wire. Yes I have removed my air conditioning compressor. 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. Remove the serpentine belt and unbolt the compressor from it's mounts and tilt it up so you can get to the front easier. As to the oil - as NYBo said, you need to remove all you can from the system, and then put in enough to replace it. Free PDF Compressor removes duplicate PDF objects, optionally takes advantage of new compression features of latest PDF specifications that for many classes of documents compresses 30 - 60% better. By portable, I mean the unit is shipped with a 13A plug attached rather than designed to be wired in to a fused spur. Do you have to dismantle the whole compressors? Is the main body of this nut set inside the compressor? I cannot underst. The AC Compressor replacement cost is minimal compared to the amount of comfort and solace that a nice cool can provide on a hot summer day. What is the Ford Escape AC compressor replacement cost? PartsGeek offers Ford Escape AC Compressors at prices from $133. Your car AC is a closed system, meaning it never needs "topping off" or "charging up" if it's working properly. Find quality air compressors online or in store. After the compressor starts, I can simply switch it off, then on again when it needs to start. this photo shows our compressor mounted down low in a position normally occupied by the smog pump (see. Do you have to dismantle the whole compressors? Is the main body of this nut set inside the compressor? I cannot underst. Contrary to popular perception, AC units don't add cool air to a space, but rather take heat out of it. The disconnect is a non-fuse, puller type and is UL listed with an enclosed pull-out switch. After that, you can now remove your existing A/C compressor. With the lines off, you can move onto removing the compressor so you can replace it. I have explained the overview of the process, here. If not leave the compressor on the vehicle, replace the accumulator and recharge the accumulator with 4-5oz of lubricant (PAG 46) (Total system charge is 7 oz). Central air conditioning systems include an indoor evaporator unit and air handler as well as a large outdoor unit that contains the compressor. This is a bad thing to happen to your system, the compressor will have to be changed and the refrigerant lines will need to be cleaned. It does it all the time regardless of the AC running or not. When an AC compressor won't turn on, the process can't begin. Halfway up the hill, going 80mph, my wife decided she was too hot and punched the AC button. All I want to do is > depressurize the system so that I can replace a bad compressor. front panel) and access the filters of your indoor unit is found in the operation manual that comes with your Daikin air conditioner. Why? Is this a trick to get me to spend more money? It’s probably not a trick, only it wouldn’t hurt to get a second opinion. THANK YOU!!!!!. It is the green connector. I drove the car and the sound went away. Today my compressor quit. Also remove the four screws at the top of the unit toward the front that connect the air conditioner with the black plastic shroud. If the AC compressor clutch won’t engage on your late model Toyota and you find a B1479 Flow Control Circuit trouble code stored, the problem is usually a bad flow control sensor. Now when I need to do repairs or maintenance, I can unplug the unit and know it's dead. I have a 1998 Ford contour. I Was Told I Need a Disconnect on my AC Unit. This is good. Any ideas? Will my cycle work?. You can next try jumping the pressure switch(es) to see if you can get the compressor to operate. If you don't want to swap out the reed valve, the original cylinder head need to be modified (machined out a bit) - or use the new version cylinder head AC-0037 (this has to do with clearance for the baffle for the intake reed valve). Re: AC compressor "pad" Author: Wheelchair (IL) The best way, is to have the system disconnect and idled while you take the time to remove the unit and inspect the pad for defects. RAC’s, of course, bring in air directly from the outside. Mold and Mildew Can Grow Inside, if You Cover Your Air Conditioner in the Winter. Unscrew the check valve and remove it from the tank, wash it with some carburetor cleaner or WD40 and it might free it up to work again. 5-2-1 Compressor Saver - Technical Info The 5-2-1 Compressor Saver® (aka Hard Start Kit) is only to be installed by a licensed air conditioning technician or electrical technician. If like me your AC compressor stop working because you busted you springs, you will be glad to know that you don’t have to replace the compressor like the dealer will pretend. When the system went bad, you could simply take off the belt and quiet the compressor. Swapping out the compressor was a piece of cake. Sadly, it started to leak air but rather than visiting a service center/shop ($100 min charge), I decided to see if I can repair it myself. again, if you cant figure this part out, stop and seek a professional to complete the repair or READ the PDF above to learn more about the a/c system and removal procedure. I don't have the typical windows (up/down with sash)that the unit was designed to fit; my windows slide to the side and are rectangular in shape with the top/bottom dimension being longer than the width. Some vehicles have compressors mounted low in the engine compartment and due to poor airflow the compressor can overheat and fail. Which from what I Know it is so I took picture of my 91 belt route and it shows that all you need to do bypass it and use the correct size belt. Lubrication cooling is needed in reciprocating compressor as the piston compresses the refrigerant gas. When this happens the winding will hit the side of the compressor causing a direct short to ground. Freon gas leaks can ocurr at the outdoor compressor or indoors as the Freonliquid is pumped into the AC unit. When it comes to one of my air compressors not working properly, then a whole bunch of my air tools cannot work properly either. There has been a technical bulletin issued for the compressor. I read where you could disconnect the positive side on battery for a few seconds so I did and the low refrigerant ac compressor off light went away. Remove two 12mm bolts on the top of the AC compressor. If using an air compressor, see step 3. I recommend having a certified mechanic, such as one from YourMechanic, come to your location to replace the AC compressor so you can have a working air conditioning. Be as descriptive as you can. The air conditioning system may require an extended period of operation to reach the desired output. Discuss Possible AC compressor clutch pulley gone bad? in the alt. Honda Pilot AC stop working How to Remove and Replace an AC Compressor Clutch and. While there are many, many reasons your air conditioner is blowing hot air, we’ll run through the most common causes that you can fix or diagnose on your own. Remove the retaining bolts. Can my AC guy do this with some solvent and the parts out the car?. If you can figure out a new route for the belt, what I have done in the past, to modify my accessory drive to accept under drive pullies, is to drive to a parts store, cut the belt, rout it the way you want, cut to fit and then measure the belt. Dodge Ram 1500 intermittent AC, Compressor quits, blows cold, then warm, warm AC There are basically three sections to the AC system; the sensors (high and low pressure sensors and the AC on/off switch), the command unit (the powertrain control module- PCM), and the “doing” components (the compressor clutch relay, compressor clutch, and the. This time, when gas is no longer coming out the high side access valve, let the valve close. for the last couple of days the temp in the house has been going up slowly and ac running constantly. Can I install the switch at the back of the compressor without evacuating the system? For simplicity sake, the truck is a 97 Silverado K1500 with the 350/5. From there, the gaseous refrigerant is squeezed into the condenser. The warranty may also require you to change the orifice tube and receiver/dryer. Why Does My Air Conditioner Keep Blowing Fuses? by michael | AC Troubleshooting , Air Conditioner Repair , Air Conditioning Maintenance , Air Conditioning Repair A blown fuse on an air conditioning unit can be a huge inconvenience, especially if you live in an area with hot weather and high humidity like in our area. So, does anyone know if it's possible to replace the clutch while the compressor's installed on the engine? What tools are needed?. My freon level is also very low if not depleted. AC compressor replacement. Leave the electrical connection to the compressor disconnected. When this happens the winding will hit the side of the compressor causing a direct short to ground. Re: A/C Service Disconnect To tell the truth I have never seen this in writing but when we have a new house or anytime were the electric co. After needle is stabilized, check pressure readings on gauge. If the compressor is on a belt by itself, I guess you could remove the belt. Remove the mounting bolts from the compressor. Narrow Your Results Air Conditioning Compressor. The compressor on/off command can be seen with one of the symbols in the heater display, I forget which (lots easier with the CRT - says COMP. , the temperature can greatly rise and cause the compressor to seize. > My understangin is that the commercial units costing $4,000 > essentially are built fromthe same components. The compressor is known as the "heart" of an air conditioning system. my guess it will be in the way if you have 1 long belt that drives everything. My car is a 912e this damper is a large round rubber part in the middle of the pulley that runs the air pump and air conditioning: April 19, 2011 : Followup from the Pelican Staff: It should have small bolts that hold it to a flange on the crankshaft. If the friction surfaces are oily, inspect the shaft nose area for compressor oil and remove the felt from the front cover. I just did this job because my ac compressor froze. 8 – Charge the system with the appropriate amount of refrigerant and turn on the compressor. If you're a cheap [email protected] like me, please read on. My car has an automatic. My Ac unit when switched on after a while the out door unit picks and it start cooling, after a while it drops, the out door fan stops spinning and later it starts again, it can happen as long as the ac is on, it works and drops, works and drops, pls whats is the cause of these problem. Hi, i have a 2001 cavalier LS, 2. It's like the old AC clutch was harder material than the compressor. While these steps will help to keep your AC system in top shape, be aware that there are maintenance items that only a trained HVAC technician will be able to do. An A/C compressor bypass pulley is a quick fix to quiet a car or truck’s noisy A/C compressor. A look inside the outdoor AC condenser unit showing the scroll compressor. I had previously believed that my meds were drying my mouth up at nights, but now I can clearly see that since I sleep with my mouth open (nose stops up while sleeping, and mouth opens up automatically) the A/C was drying up the saliva in my mouth as well as giving me bags under my eyes. Go to Home Depot or Lowes or Menards, and buy an air conditioner disconnect box. Probably going to hook it back up this summer and see how it does or just buy a new compressor which is $$. i put in like 1/2 of the can and the dial indicator was in danger high pressure zone. I'm not using the AC or defrost in an effort to make the belt last, but I'm concerned about what other collateral damage it may do if it goes. That is to cool the air to condense out the humidity before that air is heated and blown onto the cold windshield. Swapping out the compressor was a piece of cake. a Trane AC Unit. Though it is unusual for a compressor to stop working, there can be several common reasons why it would. The correct way to do it is to remove and drain the oil in the compressor, replace the accumulator or drier and flush the old oil out of the system as it is not compatible with R134a. If precision is what you desireremove and drain the compressor and refill. Can the AC compressor be disconnected and the van still run ok. You can’t keep resetting your air conditioner repeatedly without causing problems to the system. Here are some things to consider before you call an air conditioning repairman to insure you don't get an $80 or $100 charge for a minor item. I inspected the hoses and they seem fine between the firewall and compressor fitting. The contactor is the "switch" that receives a low voltage (usually 24V) signal from your furnace to turn on. Then remove the belt from the compressor. I seen some cars have 3 belts for the pulley not sure if you have 1 or many belts. On average, you can expect AC compressor replacement to cost $800 to $1,200 or more, depending on the make and model you drive. and seals for R 1 34a air conditioning systems. Air conditioner compressor is used to remove the heat-laden vapor refrigerant from the evaporator of the air conditioning systems. If you’re lucky, there’s a panel on your furnace plenum that you can remove so you can vacuum the a-coil. If your a/c system is empty/low on refrigerant, if your system has a leak or if you need to open the system, then now is the time to decide which refrigeran. There are three main purposes of the oil. The vacuum of the system will draw the dye into it. Each 5-2-1 Compressor Saver® package has a schematic to help technicians install the device properly. 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. TIP: Read pressure when trigger is released, not while being squeezed. need to save money before call tech. My AC Compressor's Not Turning On An AC compressor not turning on can be a major problem because it narrows your choices: Sleep in a sweltering sweat box or go over to your in-laws. Your AC should only run when it is either on the two AC settings or when it is on the Defrost only setting or the mix of defrost and heat to the lower vents. AC blew cold yesterdaytoday it only blown ambient air temp. Also, what is the best RV air conditioner out there? Answer: As you might expect, diagnosing this kind of a problem remotely is difficult at best. The only proper way to service your Air Conditioning is to recover the system, pull a vacuum to remove contaminants such as air and moisture, install refrigerant oil to lubricate the compressor, and then install the factory refrigerant charge as specified by the manufacturer. When this component does not work properly, the engine does not get the cold air flow - leading to some major complications. I can turn the compressor over by hand easily, it is not frozen up. Today my compressor quit. Change the channel Select Site Singletrack Snow Singletrack Charged Singletrack Tech GritCX Classifieds. if the belt only turns the a/c and you don't need it. How To Test the Compressor Relay.   To remove the lines from your AC compressor you should first have the system safely evacuated of refrigerant. Terms & Conditions and Disclaimer. then don't worry about it for now. 2 goriskresources. I paid to have freon checked (full), and there is power signal to the clutch. The air conditioning cut in and out intermittently. The relay is accessed from the lower rear of the refrigerator. 0910 = 91 inches == 2810mm. What Is an AC Compressor? First things first: The compressor in an air conditioning unit is the "heart" of your system. Your smart plug will do a better and safer job than suggested in the comments, where you are physically breaking the connection. My '89 Toyota pickup didn’t even have AC. Porsche 944 Air Conditioning Part II. My father in law owns a body shop so i have access to a pumping system to remove all the freon in the truck and replace it all when I'm finished. If you had left the unit as a whole, you would probably only get around $3-5. This week, I'll examine how to remove unwanted humidity using air conditioning equipment, starting with some fundamentals. I'm working on my car and have been for about 4 hours now, which is WHY I'm busy. If there is no object present or the air conditioner rattling persists, then that noise may indicate one or more possible problems with the climate control system. You WILL NOT be able to unmount the AC Compressor. After that, you can now remove your existing A/C compressor. When the system went bad, you could simply take off the belt and quiet the compressor. AC blew cold yesterdaytoday it only blown ambient air temp. When you remove the switch cover, assuming that’s the type of pressure switch your air compressor has, liver terminals are exposed. Maybe if the shroud is all one piece, I can slip the condenser and the radiator forward and slide the shroud around them. The air conditioning system may require an extended period of operation to reach the desired output. When the compressor kicks on you can usually hear a click and feel the engine struggle with the extra load. First of all I want to warn you that you must be very careful when working on AC Condensers as there is 220 V AC power connected to them and you could kill yourself or in the least scare the crap out of yourself if you got shocked. In most cases, air conditioning units located in private yards meet this requirement. Remove the A/C Compressor mounting stud. A few basic reasons why an air conditioning clutch does not engage, even if you have a power supply down to the compressor. I have an 220V air compressor (30A) in the attic of my garage. Disconnect the electrical. 00 like I did and get the same result!!!. I have something better, as far as safety. These fragments stick to the thin oil mixed with the Freon which is how the compressor is lubricated. Remove the mounting bolts from the compressor. The compressor will eventually need to replaced in a home air-conditioning system that is used often. Your smart plug will do a better and safer job than suggested in the comments, where you are physically breaking the connection. All the fittings and hoses are indexed by size and or thread size. AC compressor replacement. AC hose from the compressor to the condenser (if this hose includes a muffler assembly, the muffler should be replaced) 2. Air Conditioning is cars before 1994 used freon called R12 which was found to be harmful to the ozone. After that you're gonna need a schematic to accurately trace down the break in the circuit.