Can someone please help me locate the air conditioning compressor & clutch? 8 Answers. r134 converted, full of freon. AC compressor clutch assembly. Put the compressor back on and got the belt tensioned back to 50 lbs (per spec - just like I did initially). AC Compressor maintenance The AC compressor doesn't fail so often, but you shouldn't ignore its maintenance to prevent it from a possible failure. Compressor clutch is new, takes 3 amps to run it (within specs) Alternator is new, puts out 55 amps clean voltage. If the clutch fails, you will start to hear a squealing noise. Set to full cold turn on AC ,idle will go up a few rpm to compensate for compressor drag and engine fan will kick in providing air flow over coil ,when desired temp is reached thermostat will cut off compressor. The noise sounds like your compressor clutch. Adjust all the controls of the AC to MAX and then start off the engine. if the fuse doesnt blow,grab the front of the compressor and see if it spins with moderate resistance. Badgerfan is right. AIR CONDITIONING COMPRESSOR CLUTCH. When the A/C is turned off, the belt that drives the compressor spins freely. -2 and 3 hole puller plate fits most clutches, mechanical force does the pulling. Is it costly to replace my Mazda 3 AC compressor? It is no secret that air conditioning systems in any car are expensive to repair. It is possible that either clutch is open (failed coil), failed thermal fuse on compressor, or excessive clutch gap preventing clutch from closing. And the compressor is getting 12V. Repairing a Dodge Ram Air Conditioning and TIPM (2006 Ram 2500 w/ Cummins Diesel) May 29, 2015 During the second week of May we visited our son's family so we could watch their boys play in a soccer game. If the compressor is off for an extended period of time, you could have a problem with one of the following: 1. Nevertheless, if this does not help, it might be because you are using a bad AC compressor clutch. The compressor was fully on and the car just was barely cooling before I began adding the freon into the car – but it certainly was not keeping up and was not cool enough. Now we're ready to remove the pulley. We let it cool off all the way. Compressor Overheating Troubleshooting | Air Conditioner Repair – So your air conditioner is blowing warm air? There are some problems with an air conditioner or heat pump compressors that can be avoided with proper maintenance. 3 codes in, cleared and they are back instantly (P0483, P0700, P2509) Alternator shop thinks my brushes in alt might be shot. Why does my AC compressor cycle on and off is a common question that every AC contractor hears repeatedly. These include the air conditioner clutch assembly, heat exchanger, compressor, drive belts, and pumps. Two types of high-pressure cutout switches. And the clutch is what starts and stops it. The engine running turn the A/C on max cool, set fans high, and make sure that the clutch is engaging on the compressor. A defective AC compressor clutch assembly can cause excessive noise or vibration when the air conditioning is on. A4 Air Conditioning Control Circuit Troubleshooting. AC belt squealing. There are several possible causes as to why an air conditioner’s compressor would quickly turn on and off. Does it go to the AC compressor clutch? I. Problem persists even if I disconnect the AC and jump the compressor right to battery. I believe I was able to remove that shim and adjust my AC compressor's clutch air gap. com - AC Compressor Clutch Not Engaging. there is a low pressure cutoff switch on the low side to preserve the compressor should enough refrigerant leak out to prevent oil circulation in the system. Here is where it slams into a wall, Compressor clutch will not pull in when air condition is selected at climate control panel. This allows the compressor to shut off even while the engine is running. From vcm connector c2 pin 3 dark green/white connector c2 pin 3 dark green/white to ac compressor relay B6 dark green/white wire. The low pressure cycling clutch switch contacts are. All categories > Air Conditioning and Heating > Compressor Clutch Assembly. I tested the power at the AC compressor and got nothing. I have 2011 Mazda CX7. If not, you may need to remove a shim. With the A/C on, the clutch face IS magnetized and seems like it is attempting to engage spinning slowly and making half turns every so often. If the A/C clutch relay is stuck or the switch is faulty then the clutch will stay engaged. AC worked fine this morning from what I felt (didn't really have it on, had windows going) but definitely worked yesterday no problems. Do not push the clutch all the way in. When I turn the compressor by hand, using the outer clutch, or my ratchet it is stiff but turnable, with a few points that are stickier than others through the rotation. If the part that was smoking is the compressor clutch, it is a clear sign that you need a new compressor. When the clutch disengages, coil releases the plate and the pulley spins free, no longer turning the compressor. A defective relay, compressor clutch coil or damaged compressor are all possibilities. That's why he recommend that I replaced the AC compressor too ($800 part) since the labor is already included. Please help, Thanks. This could be caused by a bad ac clutch relay, wiring between the relay or the ground to the clutch coil. Measuring the clearance between the compressor clutch friction surfaces. That all said, if you find that you have power and ground to your compressor clutch and it still does not turn on, then you have a bad clutch. AST7886 Features: -Replaces clutches found on FS6, C171, 6P, and 148 compressors. com offers the lowest price and fast delivery for genuine 2019 Honda Pilot 5 Door ELITE (AWD) KA 9AT A/C Air Conditioner (Compressor). Although I did have some doubts at times because there were times when my ac VWVortex. I topped up the 134A with a can and built-in gauge, but nothing changed. Quite possibly the most typical symptom of a compressor failure (in addition to no cooling) is actually a seized compressor. Once I got home I opened the hood to find that the clutch had come apart. Now the fans don't come on when I turn on the A/c. My original compressor turns much harder than this one, but it's still seems to not be right. Replace compressor (P/N 20844676) under warranty. Turn the air conditioning controls to MAX AC and start the engine. Look at the front of the AC clutch with the engine running and the AC on with the fan on high. Now, there's been a few days in the 80's and AC is an issue! Checked all fuses, and the sound of what seems like the clutch engaging properly. Low pressure, below 17 PSI will disengage the clutch. system and completely remove your ac compressor. The radiator fans should be running on low speed whenever the AC is on so I believe the AC looks for the fans and thens shuts off when they do not run. 11 days car rental; August 2010 (whooho a whole year): /AC inoperative - verified compressor clutch faulty. The boys decided to ride with us in my truck. Here are the AC compressor clutch air gap specs for many common AC compressor clutches. I believe I was able to remove that shim and adjust my AC compressor's clutch air gap. She brought it in so I could look at it and it was working fine. THAT's what turns the compressor off. Why does my AC compressor cycle on and off is a common question that every AC contractor hears repeatedly. If the compressor clutch engages and turns the compressor, but the A/C still does not blow cold air, the system is probably low on refrigerant and needs to be recharged. What is an AC clutch compressor. Turn on engine, turn on AC - compressor running. Looking for a 2001 Ford F-150 A/C Compressor Clutch? Get yours at Wholesale Prices and Free Shipping over $50 only here at AutoPartsWarehouse!. Then look at the front of the compressor clutch. These include the air conditioner clutch assembly, heat exchanger, compressor, drive belts, and pumps. Both the pulley and the clutch should be spinning. I jumped the compressor clutch with 12 v and it kicked in as expected. My AC started blowing warmer and warmer over a certain time period. I turned it off and drove home. The compressor clutch engages only when the A/C thermostat plugged into the evaporator registers higher than the set temperature. But first, know some facts about an AC clutch compressor. The first thing you should look for are signs of leaking or an A/C compressor that does not engage. The compressor clutch kicks on and off randomly during the driving. 7 8--Installing Rotor and Bearin g Puller Fig. got a great deal on a reman on EBay. So start your diagnosis by determining if the compressor clutch works. off & on while you listen to, and watch the air conditioner clutch (located on the front of the air conditioner compressor where the belt goes over the a. I thought it was something drive line, shifted into neutral, still there. Frustrated with ac! compressor hub turning slow SOLVED! Getting pretty frustrated! I have a 93, had it abt 2. When the compressor doesn't turn on at all, it can mean a couple different things. my ac system blows hot air so i thought the pressure was low, and got a can of r-134a and added it. but usually replacing the entire compressor turns out to be the most efficient repair. I applaud your attitude about taking the steps necessary to learn to do it yourself. -2 and 3 hole puller plate fits most clutches, mechanical force does the pulling. HondaPartsNow. Installation. if the clutch is bad, replace the whole AC compressor. Not sure if the other electronics, such as AC clutch relay have anything to do with it but when I put the condenser fan relay back in and turned on the AC, the fan came on as expected. If you have a situation where your car’s air conditioner compressor clutch doesn’t engage, try the troubleshooting techniques described here. When I turn on the AC I get a fairly loud clicking sound that emits from the compressor. The pulley bearing slips over a sleeve outside the shaft, so the pulley moves freely. I'll turn off the AC for about 30 min. I have checked at the relay, and it is not getting power (i. the AC compressor makes a howling/screeching noise when the clutch is NOT engaged. The AC clutch failure can cause another problem with entire systems of your car. The engine running turn the A/C on max cool, set fans high, and make sure that the clutch is engaging on the compressor. Controlling the evaporator temperature prevents condensate water on the evaporator fins from freezing and obstructing air conditioning system air flow. The 2007 Dodge Caliber has 2 problems reported for ac compressor failure. I got under the car to listen and it's coming from the compressor clutch when it engages, the clicking stops when it cycles. Start Relays – As with the capacitor, the HVAC technician may try replacing the start relay, which is the only surefire way to determine whether it’s working right or not. I have noticed that when it begins blowing warm the AC clutch is not engaged. I tried to recharge my compressor w/ some R-134 as that's what it's converted to - being the first time I've done it, I read the instructions - did my research, but what I don't know is if the proper pressure I'm trying to get to is when the clutch is engaged. This is especially true during the summer when the weather is hot, which can affect quality and performance. I am thinking that the voltage to the clutch coil is inadequate. Ok I just tested it again. If the compressor turns on, can you tell if the. My AC started blowing warmer and warmer over a certain time period. 5 years, its been great. There is a relay that turns on the AC clutch. No power at compressor. On my F150 5. 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. ac compressor clutch not engaging Common Questions & Troubleshooting. Chevy TrailBlazer AC compressor problems. a mallet to the compressor housing engages the clutch but only briefly. the compressor does not work all the time. The engine idles at a higher RPM even though the compressor's clutch won't engage. The cooling fans are running but the compressor isn't. Hello I have a 2008 toyota camry LE 4cyl that blows warm air when I turn the air conditioning on. AC Compressor Pressure Readings and their Implications. Turn the air conditioning controls to MAX AC and start the engine. I am afraid its going to burn up my new compressor. 2) With engine running, AC on MAX, voltage at the AC relay is 12V but anywhere from 0. So I lifted the car yesterday while changing the oil and decided to check if the a/c compressor is indeed the problem. Will low refrigerant level cause the AC compressor clutch to not engage 15 Answers. She brought it in so I could look at it and it was working fine. off & on while you listen to, and watch the air conditioner clutch (located on the front of the air conditioner compressor where the belt goes over the a. 4 and turn ON the ac, the car ac doing perfect chill cooling but turn OFF after 30 mins and didn't turn ON unless i pressed clutch and rpm goes to 1K and the compressor again starts. When I turn on the AC I get a fairly loud clicking sound that emits from the compressor. It would not disengage. car is a '99 maxima. What could be better than a high-quality Nissan Maxima A/C Compressor offered with an amazing low price guarantee? Purchase from us and save a lot!. This situation is dangerous due to the serpentine belt powering not only the AC unit, but the vehicle's charging and cooling systems as well. in the older cars,there was a setting called max air. The a/c compressor clutch coil inside your car is an electromagnet that attracts both the fan belt and air conditioning rotors. The compressor is the 'heart' of the air conditioning system, moving refrigerant through the system. Doing this every couple weeks or so keeps the compressor shaft-seal lubricated, which can prevent most shaft seal failures. Let run for ~5 mins. compressor drive shaft. We carry reliable parts from brands like Denso, Four Seasons, and UAC. 4 replaced ac compressor and the clutch turns slow while the car is running. If you are than give the clutch a slight tap while the engine is running and see if it engages. Also the mechanical clunk from the compressor wasn't happening. Failed AC clutch. Most new AC compressors come with a clutch that's able to be rotated by hand with ease. Checking to see if the compressor clutch is engaging is a simple visual inspection. While trying to track down a leak in the AC system in my Toyota Sera, I noticed that when the AC clutch disengages the compressor slowly spin backwards for 5 to 10 seconds. Now how do I tell if this is the clutch or the compressor that is the problem ?. Then look at the front of the compressor clutch. It's suppose to be in the 50's tonight and cool all week. This will cause friction that will make the rotors spin. As you turn the outer nut will press on the bearing and clutch. You can replace the AC Compressor or just leave it. Chevy TrailBlazer AC compressor problems. Turn on the engine and the AC. It simply seizes midway through because of the pressure. 5 years, its been great. Compressor clutch diagnosis on a 1990 Jeep Cherokee. How to clean AC evaporator coils with no-rinse spray foam cleaner for routine seasonal maintenance. When the AC is turned on, and the clutch starts spinning, it stops making noise, and runs normal. other possibilities may be the high or low pressure switch on the line. NAIOA - Forums - AC - Air Conditioner - Compressor won't engage - I turned on my A/C after about 2-months (I know - bad) and got warm air and the clutch to the compressor didn't engage. If the ac compressor clutch engages then your looking at an electrical problem. I bought it several years ago when I had the cash and it's been boxed until recently. Manufacturers do their best to mask both of these symptoms of a properly operating air-conditioning system. When I turn the compressor by hand, using the outer clutch, or my ratchet it is stiff but turnable, with a few points that are stickier than others through the rotation. Here are the new parts including the new cir-clip held in my hand. Hi my ac compressor turns very slow when it kicks on plus my condensor fan doesnt turn and cooling fan doesnt either what can i do now And the compressor clutch. I set the ac blower to maximum i. The air conditioner might be set to "Low," which means the fan turns slowly and produces minimal air circulation, which could be a problem when a room is stiflingly hot. An air conditioning compressor is designed to move "gas" and not liquids or solids. This is about a month after I replaced the compressor, I did the replacement myself and felt confident I did it correctly. Does it sound like something I can fix with a clutch kit or will I need the whole compressor kit? Thanks!. Get a Denso with clutch installed. The synchronizer. The a/c compressor clutch coil inside your car is an electromagnet that attracts both the fan belt and air conditioning rotors. The air conditioning system is very low on freon or empty. The compressor (10) may be of any type commonly employed in automotive air conditioning applications where the compressor is used to pump a recirculating refrigerant through the system which may include a. When I first turned over the old compressor I only got maybe an once to an once and half of oil. Make every attempt to avoid discharging refrigerant into the atmosphere. Most, but not all, automobile air conditioning systems are switched on and off by using an electromagnetic clutch. Faulty Compressor Clutch. Ok ,you need disconnect fan control module and see is A/C clutch will stop clicking while you disconnecting A/C plug(one you have disconnect now). The clutch engages and starts spinning. I have noticed that when it begins blowing warm the AC clutch is not engaged. Problem may be. Nostalgic AC sells many different Sanden rear heads. Denso is the original manufacturer, I believe. How does an AC compressor work?. Usually if this relay is bad the ac light will blink. Your clutch should turn on. The air blows warm right now and the vent actually runs cooler. Anyone ever encounter an issue like this? The a/c won't turn off until I completely turn off the car. Carry out a visual inspection of the compressor and repair clutch or replace compressor if necessary. Started with intermediate clutch engagement. I have been doing my own AC work for several years now using a set of cheap Robinair gauges and an old vacuum pump that is capable of 5 microns. Under the hood, I took out the A/C Relay fuse and jumper a wire from one prong to another and the AC clutch engages right away but it won't turn off (because the wire is not a relay) I replaced the relay with a new one bought from Autozone and it still doesn't work. Put the compressor back on and got the belt tensioned back to 50 lbs (per spec - just like I did initially). This guide will help you diagnose the problem when you start hearing strange noises. AC was always good, until recently. After finding that surprise, I figured a more thorough eval was in check. I have a 2000 STS and the radiator fans do not come on. 00 (new = $90+) so I was quite happy and I manged to get it all swapped without removing or loosening the AC compressor. Usually the radiator fan is closer to the middle of the radiator. Symptoms of a Bad or Failing AC Clutch Cycling Switch. The quickest way to defrost your windows is to get out there and scrape the stuff off. The AC clutch failure can cause another problem with entire systems of your car. It gets louder the longer I drive/idle. When I turn on the AC to max cool the air does not get cool at all. look all new also. Your clutch should turn on. When I first turn the car on I can see the A/C clutch being engaged, but after the car runs for bit, then clutch disengages. or turn off the car all together to run an errand and when I return it's cold again. I read in a couple of threads that you guys are jumping the clutch. When it's not driving the compressor, the clutch pulley turns on a double row of ball bearings. The air works great and is very cold. So start your diagnosis by determining if the compressor clutch works. Failing internal components caused by normal wear or low AC Oil levels caused by leaks. If the A/C clutch relay is stuck or the switch is faulty then the clutch will stay engaged. that experienced air conditioner compressor failure. Whether it's a full-size unit or a window AC compressor not turning on, Repair Clinic can help you reach your optimal air temperature for comfortable habitation. the connector should be a few inches from the clutch itself. Nissan sells the clutch assembly for half the price of the compressor, but man it is expensive at $580. A good way to know if it's the clutch is when you switch the AC on, the condenser fan will turn on but the clutch won't engage. If you can wait 3 weeks which is the 26th, I'll help you do it. You might want to check the charge on the system If it is low on refrigerant then the clutch won't engage. I let it run on MAX for about 5 minutes then hooked a monitor to the low pressu. i took a screwdriver and spun the clutch on the pulley just to make. If compressor clutch is not engaged, go to next step. Browse through our blogs on AC Compressor and related topics when you head to Service Specialties Inc. com offers the lowest price and fast delivery for genuine 2019 Honda Pilot 5 Door ELITE (AWD) KA 9AT A/C Air Conditioner (Compressor). The low-pressure switch tells the car that the clutch needs to engage and disengage and will shut off the A/C compressor. HondaPartsNow. AC compressor clutch assembly. If it does than the clutch clearance/gap is too large and can more than likely be fixed by removing shims. The air blows warm right now and the vent actually runs cooler. I know I have a slow leak somewhere so I bought R134 with uv dye in it so I can spot the leak. That is what I meant the first time. I am trying to figure out if on the grand prix clutch can it be bad, or is that the compressor locking up?. They use swash plate to control the Stroke of pistons in compressor. AC Compressor Clutch turns on and off - posted in Virtual Mechanic: Any ideas on why it would act this way? I filled it up to about 20psi and it was working ok but not quite cold enough (just cool). If the A/C clutch relay is stuck or the switch is faulty then the clutch will stay engaged. The best known example of a cone clutch is a synchronizer ring in a manual transmission. it's probably easier and cheaper to. Harrison R4 AC Compressor Repair Tutorial. An A/C compressor clutch coil is a simple device made of fine windings of wire wrapped into a coil. It would not disengage. Could be a problem with the compressor clutch. The first thing you should look for are signs of leaking or an A/C compressor that does not engage. The pulley spins any time the engine is running. Installation. Compressor clutch is new, takes 3 amps to run it (within specs) Alternator is new, puts out 55 amps clean voltage. When the A/C switch is pressed, or the mode switch is turned to the defroster position, the front air control outputs a compressor ON signal to BCM. Call 866-213-2952 to test drive Stock #TA200308A. I know I have a slow leak somewhere so I bought R134 with uv dye in it so I can spot the leak. AC Compressor; Audi AC Compressor Parts at Discounted Prices. All things considered and if the unit is truely still good, why does the clutch NOT engage when I turn the AC on? The plug into the clutch appears in good condition. It is going to not turn if the magnetic clutch engages, and also you may well hear squeals of protest in the drive belt. Verify system is correctly charged. When the compressor is not engaged, the pulley and bearing turn, but the clutch plate mounted to the compressor shaft doesn't and just misses the pulley by a small gap. Kubota Ac Compressor found in: A/C Compressor, with Kubota Number 3P999-00620, This brand new AC Compressor is designed and manufactured to replace the original Denso SCSA06C compressor from your vehicle. Turning AC on/off reliably turns compressor on/off 15. [/QUOTE/ Nothing on control wise. if the fuse blows,look for chaffed wires in the harness. Don't rely on what others tell you. Denso is the original manufacturer, I believe. There hasnÃ¢â‚¬â„¢t been a belt on the car for the ac in about a year. Select A/C mode on A/C control panel. So start your diagnosis by determining if the compressor clutch works. These include: Low level of coolant. thermofan switch contact is closed). Let run for ~5 mins. Comments: I have a 96 328i that I replaced the belt for the ac compressor today. Typical A/C compressor shown in illustrations. When I spin the clutch plate (not the ribbed pulley) I can feel the compression of the AC compressor (which is normal) but there's also an intermittent noise that sounds like shaking pebbles in a tiny glass jar every few turns, as it turns. Both the pulley and the clutch should be spinning. At this point he needs to verify the AC clutch coil is getting 12V when the AC is on. The single function switch interrupts compressor function if system pressure becomes too high. This is about a month after I replaced the compressor, I did the replacement myself and felt confident I did it correctly. Car makers use an electro-magnetic clutch to. The compressor is the 'heart' of the air conditioning system, moving refrigerant through the system. 00 (new = $90+) so I was quite happy and I manged to get it all swapped without removing or loosening the AC compressor. Probably the most typical symptom of the compressor failure (in addition to no cooling) is a seized compressor. When I turn on the AC from the HVAC control, the PCM responds by bumping up the idle speed slightly as if the compressor were to engage, so I know it is receiving the call for AC from the BCM. Checking for a broken compressor involves using ultraviolet dye and a black light, and some simple observational skills. When I push the AC button only the blower turns on, no AC. This allows the compressor to shut off even while the engine is running. Does anyone know if this is normal or not for 1990s Toyota compressors?. Before installing the Auto Air Conditioner Controller, you need to have at least a basic familiarity with car electrical systems. Compressor clutch is not moving. It seems to be keeping the AC clutch from being able to click on as well because the the AC will turn off a few seconds after the car starts. The fix is to remove the clutch plate from the compressor, and remove enough of the shims in it to get the air gap back to ~0. I was out all day. Well hello everyone! long story short, my ac went out last summer. Ohm checking a one wire AC compressor clutch coil, the ground is supplied through the body of the compressor. It has to be tight, but not touching. The thing is the AC light is on and when I start the engine the compressor clutch engage but after 15 minutes stops and won't come back on until a few hours later after I turn the engine off so I'm lost here and some suggest jumping the low pressure switch but couldn't figure out where it is, hope I can get some help from anyone, I don't want. The problem is that my compressor runs constantly it never cycles off. Re: AC Compressor replacement Refrigerant can still remain in a system but below a pressure too low to run, that is detected by a pressure switch sending a signal to the pcm to disable power to the compressor clutch, preventing compressor operation. The compressor is usually located towards the front of your engine, just inside the grill of your car. If the clutch doesn’t engage, the air conditioning compressor can’t pump refrigerant. Ac slowly has been acting up over the last 6 months. My AC clutch occasionally will not fully engage. Here are the damaged ac clutch parts which show major wear. If you have a situation where your car’s air conditioner compressor clutch doesn’t engage, try the troubleshooting techniques described here. If it was the case where the compressor should not come on, reasons might include: The compressor clutch is shot. Just before winter set in here on Coastal NH, my AC slowly reduced blowing cold until none. What would cause the clutch on the a/c pulley to slip and not completely engage? (2000 Ford Taurus) Then one extremely hot day while using the a/c, made a stop and left the motor idling and a/c on. Pictured to the right are the three main components of a serpentine belt driven electronic compressor clutch assembly. If not, you may need to remove a shim. Ford How to: Fix Air Conditioning Clutch (Air Gap) - YouTube You can also check to see if the voltage on the coil wire is turning on and off too,just remove the connector again an start the engine,turn on the A/C,and check to see if the voltage to the coil is steady,if the A/C compressor is switching on & off,it could be a bad pressure switch. I get a message that the refrigerant is low.