Eric If I understand your question correctly, you're feeding an A/C unit from a main disconnect switch ahead of the main panel. Locate the AC compressor and remove the serpentine belt from the compressor's pulley. How to disconnect air conditioner lines from outdoor unit? Eventually the whole A/C compressor locked up (even when turned off). You can get a free AC check at most shops and they will check the high and low side of the compressor and add freon if needed for a fee. Probably the easiest thing to do is locate the appropriate relay and pull it. remove the valve caps. After a minute or two the motor sound will change slightly - this is when all the refrigerant has been pulled into the power unit and the air handler + pipes are empty (of anything - they will be near-vacuum). You'll need to evacuate the system's refrigerant using a recovery machine. This prevented the whole car from running or starting, since the entire belt was locked up. However, I will need my heater and it seems that the heater function engages the compressor clutch when the defogger it used. Why do small patches of snow remain on the ground many days or weeks after all the other snow has melted? What I want is the simplest way to make the compressor stop spinning when the engine is on. Crack open the nut on the large line. It only takes a minute to sign up. I live in Oregon, and do not use the A/C. 1. Students' perspective on lecturer: To what extent is it credible? true,. Concerning the leaks, is there any advantage/disadvantage to completely removing a non-functioning A/C system? Just keep in mind you probably won't be able to defog you windows once you disconnect the compressor . Some cars (not Kia) can have a compressor bypass pulley installed & forget the compressor. Any idea how far away from the indoor coils the outdoor compressor can be located? Please don't post multiple answers. For a compressor, it's almost certainly not cheaper to replace the whole thing; just the cost of vacuuming out and refilling the system will be higher than the cost of the pulley. Is it possible to do this with basic tools? answer. Disconnect the machine’s hose from the car’s AC system by removing it from the service port of the vehicle. If the compressor is locked up, it can lead to a shredded serpentine belt. Can I Replace My AC Compressor Myself? You should hear gas hissing - that is air going IN to the system and it will stop soon. There should be an electrical connector near the compressor that could be unplugged, or you could cut the belt if there is nothing else driven by that belt. Replacing your AC compressor is something best left to the professionals. Are the longest German and Turkish words really single words? The belt is turning but the AC doesn't, leading to a crunching sound. I have a 2002 aurora oldsmobile and I was wondering if my heater and defrost will still work if i bypass the ac compressor with a shorter belt. I do not want to pay that right now. Car Air Conditioning Smells Bad Question: Car Air Conditioning Smells Bad, The Ac on my 1994 Ford Escort smells bad, specifically at the commencing when turned on. I assume it is. Was this . As long as you don't use the AC it should not be engaged. The A/C Compressor SCREAMS when the engine is started. Automotive Mechanic. What should I do when I have nothing to do at the end of a sprint? What city is this on the Apple TV screensaver? Turn the unit on, COLD cycle, and listen carefully to the outer unit. 1 Reply. I'm not worried about humidity and I can't think of a downside. Can I just cut/remove the belt? In the words of many repairmen, an AC compressor is the heart of an AC system. The ac compressor has its own separate smaller belt that is run off of the crank right next to the main serpentine belt. I want to install an ac compressor that is 25 feet from my breaker box. rev 2021.1.15.38327, The best answers are voted up and rise to the top, Motor Vehicle Maintenance & Repair Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. 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. Put the valve caps back on and cover both the exposed valve ends and the pipes with electrical tape. I have a 04 Mustang GT with the AC Compressor clutch sticking to the pulley and running when the ac is turned off and sometimes rattling. I can't imagine there being differences based on where the car is built or sold but here is how my Ford products operate: Badgerfan is right. Marking chains permanently for later identification. You can remove the connector for the pressure switch and check to see if you have power at either wire. You'd need to invest in a lot of tools specific to refrigeration to do this, e.g. How to advise change in a curriculum as a "newbie". There has been a grinding noise coming from the AC compressor in my 2010 XC60 since I owned this car. You may need a serpentine belt tool to work the tensioner and relieve pressure on the belt so you can take it off. How should I handle the problem of people entering others' e-mail addresses without annoying them with "verification" e-mails? Ralph. Higher Temperatures Than Normal In The Cabin. If your windshield fogs up it will take longer to clear without the compressor. What type of cable should I run to future-proof an outlet for an air conditioner? So I recommend if you're going to do it you have one person holding those line still while the other person spins the other end of the unit 90 degrees, But as always the best answer is call a professional. I don't have the money to fix for now. Is there a maximum pipe length that can be exposed outside? Absolutely not. A better question is how to recover a unit with a wrench (and an allen key). Winter is coming though, and I really don't want to spend any time or money on tracking down leaks and converting to 134a and all that jazz. Just keep in mind if you cause too much torque and flex on those Flare nut connections they will leak. To learn more, see our tips on writing great answers. A number of students requesting a number of reference letters. but you've dumped a load of refrigerant in the atmosphere which is not cool. It will be very obvious if they are pressurized or vacuum. In simple terms, an AC compressor is a pump which creates the heat by putting the air conditioning refrigerant under extremely high pressure. You need about $500 in specialized tools and a bit of practice, so it isn't worth the expense. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. Close the valve on the small (upper) line. Can I Pull Refrigerant Into Compressor By Closing Low Side Service Valve? Relevance. Then remove the 3x 13mm long bolts holding the compressor to it's bracket. The disconnect allows the homeowner or an air conditioning repair technician to easily disconnect the air conditioner to perform routine maintenance or repairs. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Here are the steps to do it right: 1. TechXpert Reviewed. They will use a freon with dye in it and might ask you to come back in a couple of days to check the AC system for leaks. What I want is the simplest way to make the compressor stop spinning when the engine is on. In reading these posts, there does not seem to be a consensus on when the compressor should run. On 2020-02-18 - by (mod) - can you put a disconnect before the panel and then use the same disconnect to power up your ac . My 2001 nissan maxima ac compressor has froze up and broke the belt, can I take the ac compressor off and replace the belt and still drive the car. I have a 2005 nissan sentra and the clutch in my compressor is out, needing a $1200 repair. I say this because on many vehicles it's impossible to remove the compressor because of … Can I just cut/remove the belt? and take it to a mechanic. Moving the unit with the knowledge that you are likely to crack the lines may be considered "knowingly". I think the determining factor if you can do this is how much "slack" you have in your lines. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Water pumps, alternators and power steering are nice things to have. No don't do that. Lv 7. Maybe I am missing something. Depends on the car but for many the whole ac compressor including clutch and pulley is cheaper. Can I bring a single shot of live ammunition onto the plane from US to UK as a souvenir? The disconnecting part is easy but take heed regarding the concerns expressed in other answers that this is done correctly and legally. Thursday, November 29th, 2012 AT 3:46 PM. Hello, can you please edit your answer to make it a bit more intelligible? You can now remove the compressor but make sure to rest it on something so that it's not stressing the lines. He said it was safe to drive on, but if the belt snaps it would just cost another $60 and the car would stop. He said I do not have to fix it, the pulley is a free spinning pulley and the serpentine belt will be safe as long as I don't engage it. I had an A/C compressor that was making noise like yours, and I let it stay that way for months. I was able to move the condenser about 2' away from the wall by simultaneously moving it away from the wall and lifting it up off the ground. Should I install my split AC outdoor unit further away so it's in the shade? CONNECTING it back up afterward is in the call-a-pro category. The AC compressor attempts to run when I start the defroster, presumably to dehumidify the air. Be aware that the compressor can be engaged by default when defrost / defogger mode is selected .. Do I have to stop other application processes before receiving an offer? IF no other repairs are to be attempted - at least disconnect the wire connector at the a/c compressor to insure it can not engage. Why is gravity different from other forces? If I'm going to have to get someone to reconnect it again anyway, I think it would be better if I get them to do it all. Once the system is empty, removing the lines is as simple as removing a few bolts. You need an adjustable wrench and a set of hex wrenches. Disconnect wiring harness from compressor and then turn AC on> If fuse doesn't blow, then problem is in compressor/clutch. Put the valve caps back on and cover both the exposed valve ends and the pipes with electrical tape. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. It makes for a very good case to pull the relay since I don't really want to engage the compressor without pressure in the system. He says long trips are safe. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I was afraid that might be the case. but it may be possible to move the unit with them connected. CARADIODOC EXPERT; Depends on why it's not working. My HVAC guy is telling me I need a 25 amp breaker and a 25 amp disconnect for my soon-to-be-installed central air compressor. ^^. You may want to add a quick start capacitor like they use on A/C compressor … If there is a seperate fuse or relay for the compressor, then you could remove either. AC compressor is an important part in the car’s air conditioning system. You can now move the unit anywhere you want. bad ac compressor symptoms which you may see when your car has a bad AC compressor. If it's the compressor making the noise and not the pulley/clutch, that should work. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Suspect it to be seized. Placement of evaporator unit on top of furnace (residential), My air conditioner sparks, but only sometimes, even with a new cable. @R.. Good point, I can do that part myself so I didn't factor that in. rev 2021.1.15.38327, The best answers are voted up and rise to the top, Home Improvement Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. Knowingly releasing refrigerants into the atmosphere is illegal and could subject you to significant fines. a pump. How would the sudden disappearance of nuclear weapons and power plants affect Earth geopolitics? Also, make sure to close the valves. I'm a professional HVAC tech and I have successfully done this. Yes but there is a chance you might not be able to just run a shorter belt. Unless the compressor is on a belt by itself, you don't want to remove the belt. There is a way around this problem however; you can actually bypass the compressor all together with a different serpentine belt. The lines also must have no dirt, water or air in them, i.e. Ignore the 13mm bracket nut. I was thinking about moving the compressor to the other … I just need to disconnect the copper pipes as there's enough slack in the power supply so I can keep the wires connected. For example, my compressor has a centrifugal unloader. The ac compressor is done for. and they don't move very much but the whole other end of the unit will be out of your way. Our TechXperts are experts in home services — they’ve got years of real, on-the-job experience and we trust their professional knowledge. What to do? Hoses, condensor coil, compressor, and occasionally the evaporator coil can leak freon. These are the two large brass caps facing you in the picture (NOT the small caps on the left). I would suggest this is actually the person's problem, considering the A/C pump will not be engaged when the refrigerant pressure gets too low. Winter is coming though, and I really don't want to spend any time or money on tracking down leaks and converting to 134a and all that jazz. However there are a couple things to be aware of. Note that it is fairly trivial to get a license via online class, but you still need lots of equipment to do the job. Sharing research-related codes and datasets: Split them, or share them together on a single platform? What's the disadvantage for leaving it as it is? Explain for kids — Why isn't Northern Ireland demanding a stay/leave referendum like Scotland? 0. brucelinc Posts: 815. If fuse blows while compressor disconnected then problem in wiring. I need to move it about 5 or 6 inches to one side but it's hard to say how much slack there is in the lines. I would still look for the relay and pull it, though. I've asked him for more details but he's less than forthcoming. Apparently my AC compressor is done. Is there some safety or reliability reason I shouldn't do this? Once the hissing stops you can disconnect both lines. These lines contain a refrigerant/lubricant mix under pressure. Even if you got the tools, in most jurisdictions it's illegal to work on refrigeration equipment without an appropriate licence or certification. The belt is turning but the AC doesn't, leading to a crunching sound. I'm getting a new AC system installed and the old compressor was located right by my patio door, kitchen and deck and I was thinking about maybe installing the new compressor somewhere else. While holding it in the air, I slid a temporary platform I constructed underneath the unit. My A/C system has a leak in it and my compressor is making an awful noise: probably needs replacing. Might have to buy one of these and use the original belt. all other pumps are run by a separate belt. Apparently my AC compressor is done. 2. Air Conditioner woes: water pooling in basement, condensation on ducts, frost on outdoor copper pipe. Marking chains permanently for later identification. Hi! Close the valve on the lower (large) line. Most mineke locations offer free a.c. system check and might be able to offer you the best opinion/option. Personally I'd not risk it. Tags: Ac Compressor, Maxima, Nissan, Nissan Maxima. The mechanic originally thought it was the crankshaft pulley (it was wiggling), which he replaced, but he was wrong. I was in a similar situation where I needed to replace the siding on that wall of the house, but the AC condenser was only about 6 inches away from the wall. Why are diamond shapes forming from these evenly-spaced lines? Once the hissing stops you can disconnect both lines. Also, are there any significant advantages or disadvantages to removing a non-functioning A/C system entirely? if you crack them you get to call the repair guy, same as option a, but he only visits once. Take caution when doing this as you can cause damage if you are not familiar with how your AC electrical system works. I just need to disconnect the copper pipes. To remove the lines from your AC compressor you should first have the system safely evacuated of refrigerant. The A/C boxes are all 220v. How to reveal a time limit without videogaming it? I've asked him for more details but he's less than forthcoming. In this video, I show you how to tell if a car's AC compressor clutch is engaging. RAID level and filesystem for a large storage server. 29 years of experience. I just found out that i need a new AC Compressor. I have a 1994 Ford Explorer LTD. I need to temporarily move the outdoor unit to one side to access the wall behind it. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. Possible direct short in compressor clutch. December 2002. It depends upon the type of compressor, and how it is controlled. I was trying to charge my ac system today. Sharing research-related codes and datasets: Split them, or share them together on a single platform? they are a little flexible. You can next try jumping the pressure switch(es) to see if you can get the compressor to operate. Put the valve caps back on and cover both the exposed valve ends and the pipes with electrical tape. Is it ok to drive? you can't disconnect those pipes without damaging stuff. The exact method for operating the disconnect components will … @rana - If the clutch is bad, leaving it "as is" is an impossibility. Cutting the belt will solve your problem as long as the belt doesn't drive any other component. Could that have negative side effects? Air conditioning disconnects are an electrical component box located near the compressor, usually outside the home, separate from your household electrical box. Currently, most of the machine comes with a quick disconnect fitting, which is good for preventing refrigerant lose. Click here to add your own comments. You should not try to replace your AC compressor by yourself. Comments for Can I run my heater without compressor working. Plus the potential for your pipes to be contaminated while open. disconnect the electrical lead to the compressor to it to prevent further damage and possible seizure and ripping of belt. What is the name of this type of program optimization where two loops operating over common data are combined into a single loop? How long can I drive my car without the ac compressor working? Is Harry Potter the only student with glasses? My AC compressor clutch went out and I have neither the time nor money right now to screw with it...and given that the truck is nearing its EOL I don't really want to do anything with it. Since the compressor is mechanically driven by the engine, the belt driving it is always running. When the AC is turned on, the grinding noise will come from the front end under the hood. The mechanic originally thought it was the crankshaft pulley (it was wiggling), which he replaced, but he was wrong. He said that could break my belt so its best for me to not use the ac all together. Students' perspective on lecturer: To what extent is it credible? Looks like I'll have to get someone in to disconnect it for me. Instead. The mechanic that looked at the car said that the compressor has too much pull on my belt when the ac is on, causing the squeeling and whatnot. I wound up (partially) charging the system without the gauges, just going straight from the refrigerant can to the low port on the POA. You won't get far with a broken belt. Back to top: bc Tractor Expert Joined: 26 Aug 2007 Posts: 2929 Report to Moderator: Posted: Fri May 21, 2010 7:47 am Post subject: Re: Disconnect Switch on Air Compressor: Is this a 220v compressor you are talking about? How can I know if 3D aperiodic systems are not interacting with each other using Quantum ESPRESSO? Disconnecting the air conditioner does not require any special equipment and is a simple process. Completely removed everything which was about a hundred pounds of parts. Didn't know that about the compressor turning on with the defroster. I want to disconnect the A/C compressor permanently. Who enforces the insurrection rules in the 14th Amendment, section 3? What is the highest road in the world that is accessible by conventional vehicles? For reference, the pipes carry semi-liquid refrigerant at about 100+ PSI. It only takes a minute to sign up. Depending on the age of the unit it may also be charged with CFC refrigerant, which you really, really don't want to be letting out into the atmosphere. they have to be bled, evacuated to fairly high vacuum and refilled that way. I managed to do this all on my own with a 3 ton unit, but it was difficult. Making statements based on opinion; back them up with references or personal experience. Note the 17 nub above the pulley for tightening the tensioner. If anything comes OUT, close the nut immediately and repeat the above. The compressor is on a belt by itself. As Jasen & Fortis state, the lines can flex. Keep in mind that whatever leaks you have now are possibly going to multiply if you leave the system unpressurized for an extended period. Must my new air conditioning unit be 3 feet from the wall (or positioned backward)?

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