Compressor clutch not engaging. In a few cases, the clutch does not engage due to a clogged refrigerant circuit. If there is no voltage present, then the system could be low on … PCM was not sending voltage to low pressure switch. I jumped the low pressure switch to see if clutch would engage. I was just about to sell the Opel GT but turns out AC isnt working. 2. the fans are blowing hard, but when I go under the hood the AC compressor clutch is not engaging (outside of pulley spins, inside doesn't.). The other two wires are ground coming from ECM to compressor. My car(2011 Nissan maxima) is having an a/c issue. pickup for clutch up to male c … read more I Have A 2001 Dodge Ram 1500 Quad Cab 4x4 5.2l Engne With Auto Trans. If there is a voltage present then the clutch is burned up and needs replaced. Hi there, so my A/C is not working, the A/C clutch won't engage. A/C clutch not engaging. So, I ruled out the ccrm. Hello guys! When you jumped the relay, I assume you jumped from 86 to 87? A/C Magnetic Clutch is not engaging when A/C button pressed. To disengage the clutch, a switch must be replaced. A/C Clutch not engaging. I checked the fuses they are good. 1. This topic contains 2 replies, has 3 voices, and was last updated by Jack Curry 7 months, 3 weeks ago. I Have A Question About My A/c On My 98 Ram 1500.I Recharged The Freon. The car's AC system wasn't blowing cold air. Whether the clutch operates or not will all depend on the AC itself. A/C compressors are difficult to work with because of the refrigerant stored inside. Did you check the ac fuse and relay to see if they had power? The air distribution would be a totally different issue. I tried to put a can of R134a, but since clutch does not engage, it did not take. The AC stopped working in the winter and I didn't bother looking into it until now. … Air Conditioner Worked Fine Two Weeks Ago. AC clutch not engaging. If the AC compressor clutch engages when you tap it, try disassembling the compressor clutch and removing all fitted washers, which can extend its life by several thousand miles. AC isn’t as strong as it should be. A common cause of the ac clutch not turning on is lack of refrigerant gas in the system. The AC compressor clutch often has a plug with 2 pins. I was told the compressor … Sierra 1999 ac compressor clutch was not engaging, sensor behind ac compressor was not connected. When the coil is break up, then the electric current won't flow so the coil won't generate electromagnetic field. When to the high pressure switch and tried jumping it still nothing. If you want to diagnose an AC compressor clutch for defects, apply these techniques: Working Method 1 I brought it to a shop, where the compressor was replaced. Is There A Fuse Or Relay Or Something I Can Check? I swapped the A/C relay with the horn relay and nothing. No. This fixed the problem at first, but last summer the AC started working intermittently, and then not at all. Of course, the Factory Service Manual (FSM) specification for your clutch coil is the one to compare against, but typically an A/C compressor clutch coil … I disconnected the plug and measured volts … The air conditioning clutch could be not working for the refrigerant could be low or the clutch could be burned up. I followed the "clutch not engaging" flowchart in the Civic WSM which is basically: Check the dash and under hood fuses ; Check the relay ; Check for battery voltage on the relay plug ; Short B+ to the clutch wire to see if the clutch closes ; Check for continuity on the thermal protector and resistance of 3.05 to 3.35 Ohms on the field coil; Share. Now that I'm down here I've noticed that I'm not getting any cold air. If I put voltage on the clutch wire, nothing happens, clutch does not engage. When the AC compressor clutch in your car suddenly stops working and does not engage, it could be a sign of serious problem as cool air flow would not be blown into the engine. Just different functions. Even a blockage in the refrigeration circuit can make the clutch not to engage. The Magnetic Coil has been replaced and works when hard wired to 12v, the system has refrigerant (checked by garage) and functions when hard wired. Viewed 3k times 0. I took it back to the place. Hence, the AC starts working. The Ac Clutch Will Not Remain Engaged In Order To Continue Cooling The Truck. Saturn SC-1 A\C compressor not turning (shaft not engaging). Bad clutch coil is also can make your compressor ac clutch not engaging. I checked fuses number 36 and 20, they are not defective. If I have a slight loss in vacuum or the actuator door isn't fully closing would this also stop the PCM from sending signal? 1. got 14v signal to compressor mag. Plug clutch wires back in (with motor still running and ac set to max). If the AC is turned on, the clutch becomes “energized” and “engages” the armature plate of the compressor belt and compressor drive. I … I attached the wiring diagram. So that leaves 4 possible things that I can think of. The Ac clutch coil is bad 2. Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › AC Compressor Clutch Always Engaged. if the compressor does not engage (i.e. Discussion Starter • #1 • May 25, 2018. This will allow the compressor drive and the engine to rotate at the same time. Was this answer helpful? got it troubleshot down pretty thoroughly and i am fairly knowlegeable. It looks like the compressor clutch is not engaging. Pour autoriser Verizon Media et nos partenaires à traiter vos données personnelles, sélectionnez 'J'accepte' ou 'Gérer les paramètres' pour obtenir plus d’informations et pour gérer vos choix. The compressor clutch is controlled by the climate control module (IHKA in BMWspeak). I confirmed that 13v is getting to the compressor clutch, its just not engaging. 12 Posts . Still nothing. Blower works fine. And they took a look but they are a body shop and they have guy that … And even if it wasn't clicking (which I'd think would mean low levels) by bypassing the relay and using a jumper the compressor clutch should have engaged. Noticed my AC wasn't blowing cold (this was the first time I had it on this season), so I pulled over and saw that the clutch is not engaging. Check the air conditioning compressor clutch wiring for a voltage with the a/c switch on high and fan on high. Creator. I swapped the A/C relay with the horn relay and nothing. There is a pressure switch which detects that there is enough gas and if not the ac clutch won't engage. It's also make the ac clutch won't engage. Improve this answer. When a compressor clutch does not disengage, it will cause the refrigerant to build up and freeze the line. Test/check pressure switches...could be a faulty switch preventing the PCM from grounding … What am I missing? If the clutch doesn’t engage, the problem could be a blown fuse, an open in the wire to the clutch coil, a bad clutch coil, a poor ground, or a low pressure lockout. Ask Question Asked 2 years, 4 months ago. I checked the fuses they are good. In most cases, bad clutch coil is meaning that the coil inside is breaks up. 2013 Kia Optima. I measured the resistance of the compressor cable (1 wire) to chassis ground and it measures an open circuit. If clutch not engaged (center of compressor drive pulley not spinning with pulley), unplug compressor clutch wires and use multimeter to check voltage going to compressor clutch. At this time there was power at the magnetic clutch +ve wire but not now for some reason. The compressor relay is "clicking" and staying engaged, so I don't think its low or that wouldn't happen. Clutch did not engage. The car is a 1995 Buick Lesabre (not sure if it's a Custom or Limited). It's summer again, and I'm … I do not have voltage at the red/white wire on connector next to A/C clutch. The IHKA needs several inputs before it sends 12VDC to the electric compressor clutch: - an “ok to engage” signal from the DME Sunday morning, on way to work, no AC. In these situations, it is necessary to have your vehicle checked immediately by a professional mechanic. I checked the fuse and it is fine and there is power going to the fuse block when I turn the AC on. If you get power at both terminals at relay, then check for ground circuit back to PCM....if circuit is OK but PCM is not grounding the relay when AC is engaged, then the PCM may not be getting a signal to power the compressor/clutch....check AC switch on heater controls. I've never diagnosed AC before, so any help in where and how to look for refrigerant leaks would be great, as well as how to diagnose if I have a bad clutch, bad compressor … Jump to Latest Follow 1 - 4 of 4 Posts. Also if the high or low pressure switch is faulty that may cause a problem. clutch on the end of the compressor does not turn) it is one of 3 things. So I thought low refrigerant, so I tried jumping the low pressure switch and still didn't engage. Okay, so I'm not getting ground from the PCM it seems. The system pressure is keeping the switch open 4. The Air Compressor Will Not Come On. I have a 2007 Honda Fit. Informations sur votre appareil et sur votre connexion Internet, y compris votre adresse IP, Navigation et recherche lors de l’utilisation des sites Web et applications Verizon Media. Since I never use it I dont know for how long its been faulty. Active 2 years, 4 months ago. AC compressor clutches receive power in a number of ways. There is power at the … WHITEDIAMOND642 MEMBER; 1995 BUICK LESABRE ; 100,000 MILES; This is my first time posting here, so I'll be as complete as possible. So I thought low refrigerant, so I tried jumping the low … Découvrez comment nous utilisons vos informations dans notre Politique relative à la vie privée et notre Politique relative aux cookies. The clutch coil should simply be tested to determine if coil failure is the cause and it’s easy to do. I verified voltage to the clutch/compressor, and it is ok. AC clutch not engaging. Last Updated on: October 24, 2020. If that is the case, can you put your meter across pin 86 to 85 with the engine on and A/C turned on? Last Saturday, AC was working fine. The pressures on ac gauges are 96 low side and 195 on high side. I did notice today that I could feel some air coming out by my feet. Let’s assume the clutch is not engaging. I jumped the relay and then it works. If clutch still not engaged, then … If you push the AC button, the light goes on but the clutch does not engage. TIM TEUNISSEN MEMBER; 1998 DODGE RAM; 5.9L; V8; 4WD; AUTOMATIC; 203,000 MILES ; Hi there, so my A/C is not working, the A/C clutch won't engage. 1. And your fan does not have a clutch but the ac compressor does .But with all the gages and equipment you have I am sure you have the sense to know what the base line pressure is needed to activate the low pressure switch. I checked the voltage at both and they both checked good. The compressor clutch won’t engage if pressure is low. If your AC compressor clutch doesn’t engage, it means that your car will not be able to blow cool air into the vehicle. Using low-quality oil could be a reason for failing AC compressor clutch but it could happen even if you use synthetic oil and high-quality coolant. Yahoo fait partie de Verizon Media. Follow edited Sep … The switch shown in the diagram is bad (see attached pic) 3. Vous pouvez modifier vos choix à tout moment dans vos paramètres de vie privée. Easy A/C Clutch Coil Test A/C Clutch Not Engaging - YouTube Remove the connector and force it with 12v and ground. Even if you are using synthetic oil or coolant in your vehicle, the compressor clutch can get damaged due to some electrical problems too. Thank you, I will hopefully get that checked in the next couple of days and will update you with what I find. They can activate through a relay that’s energized directly by a proper condition of the low and high pressure … Cannot find Magnetic Clutch Relay. If voltage is around 12 volts or more, then clutch should be engaged when plugged in. The integrity of the clutch coil can be tested on the car using an ohmmeter. Elliott Fritz. This happened the right after the radiator was replaced because of a leak, but even with the leak, the a/c was working perfectly, but once replaced it didnt work anymore. It has manual climate control, an automatic transmission with a 3.8L V6. Nos partenaires et nous-mêmes stockerons et/ou utiliserons des informations concernant votre appareil, par l’intermédiaire de cookies et de technologies similaires, afin d’afficher des annonces et des contenus personnalisés, de mesurer les audiences et les contenus, d’obtenir des informations sur les audiences et à des fins de développement de produit. Participant. The compressor/AC system just cool the air and then where that air is directed inside the cab are different systems even though they are related by the air system. I jumped the relay and then it works. Topic June 6, 2019 at 3:10 am #893691. When I got home I removed the 2-wire plug (on the AC), cleaned the connections and re-plugged the connector back on (actually unplugged and plugged a few times). Blown fuse (either the high amp fuse to the compressor or the low amp fuse from the dash) 2. Two summers ago, my AC stopped working. Why AC clutch won’t engage. sdhd97 ... 10.26 Compression Forged Probe Pistons Probe 6" Forged Rods Probe Cast Crank Dart Pro 1 Heads (200cc intake runners 2.02 intake 1.60 exhaust 64cc combustion chamber) TPIS Big mouth manifold Super Ram Plennum and Runners Accel Cam Shaft (050" lift: 211/219 (int/exh) Valve … Poor ground The last open circuit in compressor ac clutch that makes it won't … Here are the most common causes of an AC compressor clutch not engaging: • AC system is low on refrigerant • AC system pressure is too high • AC clutch fuse is blown Will allow the compressor or the low pressure switch which detects that there is a voltage present the. Is a voltage with the horn relay and nothing more, then clutch should be looking into it now., has 3 voices, and then not at all sending voltage to the clutch/compressor and... Will not Remain engaged in Order to Continue Cooling the Truck high pressure switch high and fan on high the... 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