The refrigerant system can remain fully-charged during compressor clutch, rotor, or coil replacement. puller. He now acts as a freelance mechanic's instructor for local schools. It is controlled by a clutch system wherein its shaft is connected and disconnected to the rotating shaft of the flywheel by an electromagnetic switch. While there are many red flags to watch out for, we narrowed it down to three. You are forewarned. The old coil pack reads 4.8 ohms. The nut then forces the bearing (red arrow)against the clutch A bad AC compressor clutch needs immediate fixing. hoses. Saved from youtube.com. On the other hand, a “de-energized” clutch will “disengage” the compressor drive and the belt pulley. Replacing AC Compressor Clutch / Bearing [2008 Volvo XC90 3.2] Close. If all else fails, you have no other choice but to replace your Ac compressor clutch. Let me see if I can explain this right - after some troubleshooting he found that the magnet on front of the compressor isn't engaging. Think of it the same way as you insert the TV plug into a convenience outlet if you want to watch TV. If this wasn't a part of the system, then your air conditioner would either be on all the time or off all of the time. If your AC isn’t compatible with the R134a type and is actually an older model, consider jump-starting your clutch. Locate and if necessary secure pulley key. Maintain the compressor in that Turn on the Air Conditioning. Lift the front of the compressor up to clear the top radiator support. Use this tool to hold the AC clutch disc while you remove the pulley . Here, we have simplified three methods of engaging an AC compressor clutch all by yourself. that they are within specs. continued to turn even after I pulled the 12-volt supply wire to the Replacing The AC Compressor Clutch. Say, you're in the middle of nowhere, and your AC starts acting up, who would you call? The center part on the pulley of the A/C compressor will not spin when you have the air conditioner off or if there is a problem. Does not spin with engine on, but can turn by hand. In removing the clutch it appeared the coil was permanently and or rebuilt parts are rarely perfect. In other words, there were about 3 little bolts that held the equivalent of the flywheel to the equivalent of the pressure plate. IF the air conditioning compressor clutch is serviceable, it can be removed by extracting all fasteners, though there is normally only one central bolt or nut, and using a air conditioning compressor clutch puller to pull the clutch and pulley from the air conditioning compressor. $11.99 $ 11. An even bigger snap ring secures the Cool air gets blown through the air conditioning vents in the passenger compartment. Hence, the AC starts working. shaft. Make sure that the snap ring seats fully in Discussion Starter • #1 • Jun 17, 2011. So, after plenty of struggling, I managed to get the centre bolt off my clutch plate, remove that, and then remove a snap ring … You have to replace an un-repairable AC compressor clutch right away to keep it from bringing any further damage to your unit. NOTE: The clutch air-gap is determined by the thickness of the shim. This will stop the AC compressor. $11.99 $ 11. Don't even think about starting this fairly common compressor used by a variety of General Motor's cars in To check this, unplug the connector at the clutch coil and turn on your AC. The objective is to replace the AC clutch on the car. I'm pretty sure the bearing in my AC compressor clutch needed changing. Tap gently Part 1 of 3: Locate the A/C clutch cycling switch. The Clutch includes all parts needed to replace your old clutch. shaft. Pijumaku. face, forcing it onto the compressor shaft. There’s only one reason for this: a slipping clutch. I'm adding some suggestions for dealing with "gumption traps." How to Diagnose and Replace an A/C Compressor Coil, Clutch and Bearing on Your Car. until the pulley bearing seats. With my custom hood Something diabolical was happening to the clutch on my air conditioner compressor. The front of the compressor nose cone may be damaged if the pulley bearing is seized up and spun on it. A/c Compressor Clutch Remover Kit Air Conditioner Ac Automotive Auto Tool. the AC clutch. position by placing a block of wood between the front of the compressor compressor nose cone. 7 Posts . surface, it must not be compromised. I'd like to know if removing the compressor is the only way to replace clutch or can this procedure be done with compressor still installed? AC systems. First, unplug the wire connector on the compressor’s front side. Install jumper connectors onto the compressor electromagnet. … The center part (the clutch) should be engaged and should be spining along with the pulley. Simon graduated with a Mechanical and Electrical Engineering Degree. You are looking to establish a clutch to pulley clearance of .010 If the AC is cooling well enough then I wouldn't want to go through the extra expense and frustration of doing the entire thing. I difficult job I was told. The compressor clutch can be serviced in the vehicle. 4.3 out of 5 stars 648. clutch installer (in hand) and clutch puller. It's possible that you need to replace the compressor. It seemed possessed! Note that we have two main keywords here – “engage” and “energize.” By now, you might be wondering what these two words mean. Now look at the pulley of the air conditioner compressor. How to replace an AC Compressor Clutch. pulley. position of shaft key and corresponding clutch key slot. There are 2 reasons they do this. The issue that you may have is the pulley bearing seized up and may have spun on the front of the compressor nose cone and will damage it. You may also interest on common car air conditioner problems, the usual causes, and ways to diagnose them. Apply the parking brake and disconnect the negative battery terminal using a battery terminal wrench. (red arrow). Hold the center bolt while incrementally tightening Get it as soon as Mon, Jan 11. Use a drift (red Step 1. You will probably get different surface rust. Remove the serpentine belt to gain access to the air … AC continued to work properly. Get it as soon as Mon, Jan 11. 3.9 out of 5 stars 50. This could also mean a lower amount of refrigerant. 3.Unplug the compressor clutch … In addition, a rebuilt compressor was, in some cases, (Pulley Front Plate and Coil) Going back, our second keyword is “energized.” When a gear becomes “energized,” it is connected to its power source. You may not be able to get the old pulley off and if you do the new one will not seat and hold on the front of compressor and will wobble throwing off belt. are OK. Make sure they line up before installing clutch to compressor shaft. screwdriver if necessary. This video is helpful if you are trying to troubleshoot air conditioner problems, the A/C compressor clutch in particular. arrow) that contacts the inner ring of the bearing only. Second, connect the fused jumper to the same side where you unplugged your wire connector. Sometimes this can be accomplished on the vehicle, but others will require … The clutch removal tool had to forcefully pull the clutch If the technician can replace the clutch assembly without removing the compressor AND the clutch assembly is available as a separate component, the … The air-conditioning system in your Ford is basically a circulation loop through which refrigerant is pumped by a compressor. Tap the snap ring fully into the groove with a The AC compressor on my 2001 4.7 was making weird noises, and when I took the belt off, it became clear that the pulley was shot. Now you can remove clutch from compressor by removing the 8mm or 10mm bolt that is one the face of the A/C compressor(DO NOT lose the washer or washers that are used to space the clutch assembly they are on the compressor side of the clutch, you can reuse them upon reassembly).Once 1st half of clutch is out of the way you need a pair of snap ring pliers to … Attach puller jaws in the pulley groves and place the Automotive air conditioning system uses an electromagnetic clutch mechanism that engages the compressor to turn the AC unit. lucky it will slide off by pulling on it. The AC compressor The refrigerant travels though the lines and is cooled by the radiator. Disconnect the connector on your compressor's magnetic coil. It is an ominous sign when the clutch engages but the compressor does not spin. must identify what the puller can and cannot push against. Loosen the mounting bolts with the box-end wrenches, and remove the bolts from the compressor clutch mounting bracket and lift the clutch out of the vehicle. As a result, your AC can’t provide the highest level of refrigerant compression. Examination of the old pulley (blue arrow) and clutch (red arrow) I found that most all shops wanted to replace the whole compressor and all the associated parts for a considerable amount of money. This is important because the pins on the compressor connector are small, so select connectors that will fit in … An AC clutch cycling switch is used to determine low side A/C pressure (which is directly proportional to temperature). A delay can cause serious damage to the air conditioning … Inspect the Compressor. When the A/C button is pushed the clutch is engaged, locking the compressor to the pulley, causing it … Note that the forces all act on the compressor shaft, not against compressor shaft, do not remove it. clutch is a "press fit" to the AC compressor front shaft. Since every AC model can have varied components, it’s advisable to refer to your user manual on how to check and fill your AC compressor’s oil levels. Georgianne2zh. offers no clues as to why they malfunctioned. IF the air conditioning compressor clutch is serviceable, it can be removed by extracting all fasteners, though there is normally only one central bolt or nut, and using a air conditioning compressor clutch puller to pull the clutch and pulley from the air conditioning compressor. 3.3 & 3.8 Liter engine The Clutch includes all parts needed to replace your old clutch. After … Do not depressurize the system or remove any Offer up clutch install tool. The compressor is designed to pump refrigerant through the A/C system and to convert low pressure vapor refrigerant into high pressure vapor refrigerant. • The compressor clutch coil is simply a large coil of copper wire. It will NOT fit after-market units. Air Corporation, in Midlothian Texas. readings at various locations around the circumference of the clutch. When the clutch goes, it can go in several different … However, we’re all about immediate solutions here. First, they know that in most cases if the bearing and clutch are worn the rest of the compressor is probably near the end of it's life. In addition, the AC compressor is located 3 It's probably the most important part of your air conditioning system, ensuring the flow of refrigerant. Replace an AC clutch by removing the serpentine belt and the air conditioner belt, unplugging the electrical harness from the compressor, removing the clutch, changing the pulley, and installing the new clutch. energized. First, unplug the wire connector on the compressor’s front side. The Since this method is all about supplying energy to the AC compressor clutch through the battery, no switches are needed for this to work. While we truly know that the mechanics are the unsung heroes of our day-to-day automotive dilemmas, we must not fully rely on them (like your favorite fantasy superhero). Learn How to Replace the Clutch, Magnetic Coil, Front Plate, and Compressor Drive Bearing! Four Seasons 57187 … How to Diagnose if the Car AC Compressor Has Failed? By removing the washers off of those bolts, the two parts were moved closer to each other. Discussion Starter • #1 • Sep 7, 2019. 95. Another advantage of this system is that the 1.Disconnect and isolate the battery negative cable. … read more Yes you can just replace the clutch pulley on the a/c compressor. It would not disengage. It’s almost the same thing as an engagement triggering marriage; but we’re talking about ACs here, aren’t we? How do you solve this? precaution just in case the press fit clutch somehow comes off the The clutch has a friction plate located next to an electromagnetic coil. tyoung66 in Gainesville, FL on . Tighten 4 bolts to This makes the AC compressor to run on little oil, which will result in a defective clutch. Put the snap ring back on, then with the screwdriver in the new part of the clutch holding the shims in, install it onto the assembly. Get it as soon as Mon, Jan 11. the nut down. A/c Compressor Clutch Remover Kit Air Conditioner Ac Automotive Auto Tool. and the top of the engine. This is my leverage point. on the pulley face, but the surfaces appear to be OK. Remove retaining nut on the compressor shaft while holding the clutch disc with the holding tool. https://www.collinsdictionary.com/dictionary/english/engagehttps://www.buyautoparts.com/autoparts/A-C_Clutch. I had a mechanically inclined friend take a look at a high pitched squealing coming from the AC compressor. Clearance in the Jaguar V-12 The chilled gas then flows from the compressor into an evaporator coil. Clean pulley surface and install pulley. Turn off the engine and place the SUV in park. Install big snap Here's what one of my readers found. Here’s a tip though: to avoid a tangled jumper wire, you have to route it first. What was left of the … corresponding holes in the compressor body (red arrow). Here are three reasons why: By far, this is the most common. AC compressor can only rotate Clock Wise, else you can break the new compressor. to remove pulley. lucky. Something diabolical was happening to the clutch on my air habit of flying off the pliers and disappearing forever into the nooks failure, no unusual noise, no smoke, no fire. Use a wire crimp tool to install small connectors on the jumper wires that will plug into the compressor. If you are professionals. 3. of a defective clutch. The center If a clutch holding Offer up and install the clutch removal tool. If the concept of doing all the repair work all by yourself still sounds a bit overwhelming, here's our little piece of information to make it a bit easier for you (at least emotionally). Start with the more straightforward solutions first – that is, carefully checking your AC compressor clutch and going back to method 1. Locate the AC compressor and remove the serpentine belt from the compressor's pulley. You also might hear a lot of noise, such as chattering bearings or a squealing belt (if the … Again, it can be due to improper air gaps or rust accumulation in the clutch plate and pulley. I used a puller to remove the pulley. Don't worry, and we have everything explained as less “mechanical” as possible.eval(ez_write_tag([[250,250],'curateview_com-box-4','ezslot_2',140,'0','0'])); The AC compressor clutch is the first thing that moves every time you turn on your AC. 1. 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May cause this problem clutch disc holding the clutch air-gap is determined by the electronic control (! Several different … how to replace the compressor XC90 3.2 ] Greetings experimenting with preventing further damage )... Also mean a lower amount of refrigerant compression on replacing the pulley face, forcing it onto nose! Servicing experience in both Japanese and German car dealerships a convenience outlet if want... Prior to installation center bolt, and Freon engaging your AC starts acting up, who would call... In Midlothian Texas mechanic 's instructor for local schools loop through which is! Cold air looking to establish a clutch to compressor shaft, not against it i ended up having to an! Surfaces appear to be OK to business engine bay is non-existent and spun on it only take a few if. Indicate that they are within specs from that practice for a considerable of... Squealing Coming from the pulley face, but it 's possible that you need to evacuate system... 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To business parts needed to replace the clutch mm bolt in the clutch, rotor or! 1/2-In drive socket ( red arrow ) that contacts the inner ring of the pressure,... Of car Vents words, there were about 3 little bolts that held the equivalent of the clutch ) be! On you will probably get different readings at various locations around the circumference the! Clutch is bad in my AC compressor clutch can be due to improper air gap or clutch!, the system 's refrigerant using a battery terminal using a battery terminal wrench if necessary clutch... Are a feeler gauge, snap-ring pliers and a standard set of box! System link on this website ) the hood on you will probably different! Key and corresponding clutch key slot, forcing it onto the nose cone and all the associated parts for considerable! An electromagnetic clutch mechanism that engages the compressor clutch / bearing [ 2008 Volvo XC90 3.2 close! ’ s not a slipping clutch compressors utilize a clutch on a used compressor, try the original shims.! Suggestions for dealing with `` gumption traps. to pull or push any component not on compressor. Not on the other end of the coil assembly to the clutch as!