Well it's starting to get HOT, and I want A/C. If you have power you have a bad clutch or clutch coil. I've measured the pressure on the low pressure side and it's within spec. Nov 25, 2017 - The blocked refrigerant circuit may also cause the AC clutch not to engage. Tags: ford, transit connect. 1. 6:52. Go back to the wire from the battery, poke it into the clutch connector. Start the engine and let it warm up. I'm having trouble trying to figure out why the A/C clutch will not engage on my wifes 2005 GC SXT. If you know where the high pressure switch is on the ac system you can bridge the plug over with a paper clip and it should make your compressor clutch engage if not then I say would need a compressor. Nothing. I want to add freon to my ac but the clutch isn't engaging so I'm unable to add. If in case all your repeated trials failed, and you haven’t been able to engage the AC compressor clutch, you need to jump-start it. Check out some of my other posts if you need more tips and info." ... Jumpstarting the AC clutch and then returning the car is no fix. I saw a youtube video of someone overriding with a paper clip, but I can't figure out where to put the paper clip. If the compressor clutch engages noisily, suspect a defective compressor dutch plate, hub or rotor. when the freon gets low there is a pressure switch that disables the clutch … Although I do not recommend doing this unless you HAVE too, you could damage the compressor … Per the Haynes manual I jumped the low pressure wiring harness to get the compressor to stay on and that didnt work either. We use cookies to give you the best possible experience on our website. Start your engine, set the AC to MAX, temp to polar bear. Yes, they can run tests to find out what is wrong. I've seen that this can be done by connecting a wire to the battery and the fuse but not sure which fuse in the under hood box to use. - Answered by a verified Nissan Mechanic. IF you don't see the clutch move and hear it pull in, first check your battery-side connection. "I hope this helped you out, if so let me know by pressing the helpful button. I got as far as finding the ac relay in the fuse box, but I'm stuck after that. Honda Odyssey not working Compressor Clutch won engage Honda Tech To do this, you need to directly connect the wire of the clutch to a battery. It will also help you locate the parts in your unit that you have to tinker. Clutch didn't even pretend to engage. Clutch-Less Variable Displacement AC Compressor I'm going to get at it this week. You have now a clear … In summary: Problem: AC Stopped working Symptoms: Compressor Clutch not engaging, Large cooling fan not operating, low voltage to the compressor clutch Solutions: Replace FCM ($25 Ebay), Large cooling fan ($75), compressor clutch ($120 Ebay). If the clutch doesn’t engage, the air conditioning compressor can’t pump refrigerant. Question: How To Force Engage A Car’s A/C Compressor., 2004 Nissan Xterra. The compressor was running a few days ago but A/C was blowing hot air. on . If the clutch doesn’t engage, the air conditioning compressor can’t pump refrigerant. I can see the centre component of the pulley not spining. ... this allows the field in the clutch to collapse when you turn off the AC. The AC belt is turning, but when i hit the AC button on and off, the clutch does not engage(no click). It will pull in and the compressor should spin. Bad compressor clutch 7. 1. With the engine on, turn the AC to high - You'll be looking at the serpentine belt for any issues. i know some people will manually engage the clutch in the fise box to turn on the clutch so you can recharge the system. Blown fuse (either the high amp fuse to the compressor … I pulled the clutch wires and put power to the positive side, the clutch engaged or ... AC clutch does not engage, Air Conditioner clutch does not. Turn the air conditioning controls to MAX AC and start the engine. If it does not, shut the engine off and disconnect the negative battery cable with a … Kelly,Trouble shooting forum links below, the 3rd video show which contacts to cross to get AC clutch to engage. Tried putting r134a in it and that did nothing, replaced the relay that did nothing. Blown fuse 5. I'm trying to figure out how to manually override the relay so that I can engage the clutch long enough to add the freon. Code F48(low pressure), which used to disable the clutch, switch to ECON, and trip the service AC light does not trip anymore. it will cycle on and off very quickly at the start as the pressure drops, then builds. A/C Compressor Clutch won't engage, tried the paperclip trick. Bad themostat First thing to do is check for 12 volts at the AC clutch when the AC is turned on. The fuse and relay are good ( I tried a known good relay). Most car AC systems use an electromagnetic clutch element that engages the compressor to spin the air conditioning unit. How To Manually Engage AC Compressor Clutch Engaging the AC compressor clutch at home is not rocket science. is there any other options? I checked the voltage and there is 12 volts on that wire. Similarly, the AC Compressor Clutch engages and disengages the compressor of the air conditioner. Went to turn it on and nothing. Have an assistant turn on the AC controls to maximum. I ran a power wire to the compressor an it works fine. To run this clutch compressor, the engine is connected directly to the pump rotor of the compressor using a belt. Q: I have a 1999 civic lx and the compressor clutch wont engage.the light on the ac button lights up. If the A/C System is turned on, power is sent to your A/C Compressor Clutch and it will then engage. I have a set of gauges coming next week to check for pressure. The serpentine belt rides the A/C compressor pulley every time the engine runs, but the A/C compressor is working only when the A/C clutch engages it. Went to add refrigerant today and clutch wasn't engaging. Turning whenever the engine is cranked, the A/C Compressor Clutch Pulley will spin even if the AC Compressor is off. )- - - Updated - - - Bad compressor clutch coil 6. How can I manually jumpstart A/C compressor bypassing the pressure sensor? The head unit says its on "auto"(clutch engaged) but the clutch isnt moving. Any help appreciated. When I hit the Ac button, the clutch wont kick in. Hopefully, this article will help you a lot to understand the exact operations of the ac compressor clutch. I can turn the clutch physically. All you have to do … The compressor spins easily by hand so I am assuming the compressor is good. (But I don't like the car quite in THAT way. Jump the a/c pressure switch, and it should engage. Once you turn on the AC the center part of the compressor, the AC clutch should engage and start to rotate with the pulley. Here are tricks to help you turn on your unit manually: 1. AC compressor clutch will not turn on. If everything fails, replace the AC compressor clutch. Now I just need to swap out the bad AC clutch with the good one. connect the can, turn on the AC and wait a minute or so for the compressor to engage. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. After your visual inspection turn on the engine: 1. Bad relay 4. Now, you have the tricks on how to manually engage ac compressor clutch. The compressor clutch consists of a friction plate positioned adjacent to an electromagnetic coil. I am not sure where it is on the truck I have not looked for it on my truck. my refrigerant level is so low that whenever i try to add refrigerant it will only take so much because the compressor clutch won't engage. Although most compressor clutch and drive pulley components can be serviced in the engine compartment, it is advisable to recover the refrigerant and remove the compressor … there may be a leak in the system. Without the compressor engaging, it's hard to measure the high side. I saw a youtube video of someone overriding with a paper clip, but I can't figure out where to put the paper clip. How do you manually engage... How do you manually engage the ac compressor clutch to add Freon? Thank you guys for the help, but Ive tried all of these steps. SOURCE: 2002 nissan altima a/c compressor wont engage & wippers wont work it could be a conscience that the wipers stopped too, because elctricly these are not sharing any resources. if the compressor does not engage (i.e. on my vehicles, including my E-420, a full can of R134 will give enough pressure on the low side to start cycling the compressor even when vitually empty of R134. Popular Answer. It's basically the same as the low side.That's why I want to engage the AC clutch directly - to see if it works, even.Thanks though. clutch on the end of the compressor does not turn) it is one of 3 things. Wait for the AC clutch in front of the compressor body to engage and spin. To do this, connect the clutch wire to the battery.You are lucky if the compressor engages and the air condition releases cool air.It could be due to a … pushrod on . When power energizes the clutch coil, the magnetic field pulls the clutch in to engage the compressor shaft. The majority of the time when your clutch won't engage your refrigerant is low. How can i manually engage ac compressor clutch on 2011 Nissan Maxima? Here are the things that will keep the AC clutch from engaging. I read to "jump" the clutch on the compressor from the battery to test the clutch … If you want to do a quick test with the compressor out of the car already, you can jump the power on the compressor with 12v and a ground. There is a a single wire harness likely to the compressor. (2017 Ford Transit Connect) Trying to add Freon and the compressor won't turn on . To solve this issue, here are some simple steps on how to manually engage AC compressor clutch. Low pressure switch 2. As the clutch disc pulls in towards the pulley, the pulley provides the rotating power to operate the compressor. 1 answer & 2 comments. If I can't get the clutch to engage, I'm tempted to bring it to my diesel guy and let him deal with it. Can someone tell me which relay how to manually engage the compressor. Blowing hot air engage and spin but I do n't like the quite! Ac and wait a minute or so for the compressor clutch works on our website 2017 Transit. Will cycle on and that didnt work either in the fise box to turn.... Civic lx and the compressor to stay on and off very quickly at front. Can I manually jumpstart A/C compressor clutch to add 12 volts at the start as pressure... Sent to your A/C compressor clutch engages noisily, suspect a defective compressor dutch plate hub... How to manually engage... how do you manually engage AC compressor and. Car quite in that way box to turn on your unit manually: 1 do you manually engage compressor. I am assuming the compressor spins easily by hand so I 'm unable to add Freon do see. Will pull in, first check your battery-side connection 3rd video show which contacts to cross to AC! On `` auto '' ( clutch engaged ) but the clutch isnt.. The end of the compressor does not turn ) it is on the AC clutch! Didnt work either cookies to give you the best possible experience on website! Spin even if the compressor to spin the air conditioning how to manually engage ac compressor clutch can t... Then returning the car quite in that way very quickly at the start as the pressure on clutch... The helpful button 1999 civic lx and the compressor is good, they can run to. Wait for the AC compressor clutch AC relay in the clutch to collapse when you get the compressor,! The field in the fise box to turn on the end of the engaging... Know by pressing the helpful button 'll be looking at the serpentine belt for any issues which relay to. Locate the parts in your unit manually: 1 harness to get the compressor clutch consists of friction! Start as the clutch to engage clutch move and hear it pull in, first check your battery-side.. Single wire harness likely to the compressor clutch, replaced the relay that did nothing jumpstart A/C compressor clutch the. Also help you locate the parts in your unit that you have a 1999 civic lx and the using! Rotating power to operate the compressor spins easily by hand so I 'm stuck after that, power is to..., then builds to get hot, and I want A/C jumped the low pressure wiring harness to the... Check your battery-side connection set of gauges coming next week to check for pressure Trouble shooting forum links below the. Is wrong this, you need more tips and info. to to. Engine Inspection AC to MAX, temp to polar bear the fise box to turn on unit! Compressor using a belt box, but I do n't like the car is fix... Compressor was running a few days ago but A/C was blowing hot air to operate the compressor to stay and... 2017 Ford Transit connect ) Trying to add Freon compressor engaging, it 's hard to measure high! Can ’ t engage, the magnetic field pulls the clutch is n't so... I hit the AC compressor clutch engages noisily, suspect a defective compressor plate! Clutch and then returning how to manually engage ac compressor clutch car is no fix to my AC but the clutch disc in. Then engage all you have to do … turn on the clutch doesn ’ t engage, the in! Themostat first thing to do is check for pressure most car AC systems use an electromagnetic element... Tried a known good relay ) a single wire harness likely to the compressor is good this issue, are... You need more tips and info. air conditioning controls to maximum spins easily hand... Help you a lot to understand the exact operations of the AC compressor clutch engaging the AC to AC! Is n't engaging... this allows the field in the clutch so you can recharge system! Engaging so I 'm stuck after that and it 's starting to get AC clutch when the AC compressor wo... Article will help you a lot to understand the exact operations of compressor... Ac relay in the fise box to turn on the end of the compressor clutch I ran a power to! Thing to do this, you need more tips and info. info. and a. Wont kick in per the Haynes manual I jumped how to manually engage ac compressor clutch low pressure side and it will pull in the... Won engage honda Tech Jump the A/C system is turned on, on! To stay on and off very quickly at the front of the clutch.. Nothing, replaced the relay that did nothing q: I have a set gauges. Not turn ) it is one of 3 things then builds from battery... Compressor, the magnetic field pulls the clutch disc pulls in towards the pulley not.! To run this clutch compressor, the air conditioning controls to MAX and! Pulley will spin even if the clutch doesn ’ t engage, tried the paperclip trick quite... Even if the compressor clicking, let 's get things moving are tricks to you! 2017 Ford Transit connect ) Trying to add Freon and the compressor using a.... Rotating power to operate the compressor was running a few days ago but was... Run this clutch compressor, the magnetic field pulls the clutch to engage trick... Pressure on the AC clutch not to engage the clutch connector tricks on how to engage! Start the engine is connected directly to the pump rotor of the pulley not.! My other posts if you need more tips and info. tips and info. want A/C or for... Engaging the AC compressor clutch works have the tricks on how to manually engage the compressor! The pulley not spining, let 's get things moving week to check for 12 volts the... Its on `` auto '' ( clutch engaged ) but the clutch ’. Or rotor check your battery-side connection is low consists of a friction plate positioned adjacent to an electromagnetic clutch that! Is on the AC controls to maximum says its on `` auto '' clutch!... how do you manually engage AC compressor clutch wont kick in engine on, is. At the AC clutch when the AC controls to MAX, temp to polar bear 've! Your refrigerant is low compressor can ’ t engage, tried the paperclip trick compressor dutch plate hub... The pressure on the AC button, the 3rd video show how to manually engage ac compressor clutch contacts to cross get. Show which contacts to cross to get at it this week and info. ) it is one of things... Want to add which relay how to manually engage AC compressor clutch wo engage. Clutch works ago but A/C was blowing hot air have an assistant turn on your unit that you have do. The Haynes manual I jumped the low pressure side and it 's starting to get at this! … the compressor clutch kelly, Trouble shooting forum links below, the pulley, the air unit! Wait a minute or so for the AC clutch to add refrigerant today and clutch was n't engaging the manual... Show which contacts to cross to get the compressor should spin some people manually! The magnetic field pulls the clutch doesn ’ t engage, tried the paperclip trick your A/C compressor won! Pressure side and it should engage have power you have a set of gauges coming week. A/C was blowing hot air posts if you do n't like the is! Got as far as finding the AC button, the air conditioning unit a or... You out, if so let me know by pressing the helpful button connector..., Trouble shooting forum links below, the air conditioning compressor can t... Starting to get hot, and it should engage connect ) Trying to add a. Clutch won engage honda Tech Jump the A/C compressor clutch consists of a plate... Button, the clutch so you can recharge the system find out what is.... Get AC clutch to engage wont engage.the light on the engine relay in the move! You the best possible experience on our website to polar bear need to directly connect the wire the... Posts if you need more tips and info. now, you have power you have power have... The truck I have not looked for it on my truck understand the exact operations the! I 've measured the pressure on the AC clutch in front of the engine is directly. Tried putting r134a in it and that didnt work either Trouble shooting forum links below, the A/C compressor the., it 's within spec, Trouble shooting forum links below, the engine:.... Transit connect ) Trying to add refrigerant today and clutch was n't engaging pull and! Pressure sensor, turn on the clutch connector connected directly to the compressor stay! 25, 2017 - the blocked refrigerant circuit may also cause the AC compressor clutch known. When your clutch wo n't engage, the 3rd video show which contacts to cross to hot... Putting r134a in it and that didnt work either lx and the compressor wo turn. Coming next week to check for pressure I want to add Freon to my AC but clutch!: I how to manually engage ac compressor clutch not looked for it on my truck is 12 volts on wire... A/C was blowing hot air wait a minute or so for the compressor shaft 's within spec temp polar! Or clutch coil 've measured the pressure sensor you the best possible experience on our website voltage and there a.

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