Copyright 2021 Leaf Group Ltd. / Leaf Group Media. Year: 1992 Make: suzuki Model: sidekick Engine Size: 1600 Refrigerant Type: R134a Ambient Temp: 85f Country of Origin: Spain . 1 answer & 1 comment. Its not uncommon for the new clutch field coil to smell for a few tell it burns in. Re: AC clutch not disengaging « Reply #7 on: Aug 13, 2010, 11:59:33 am » If you have an air compressor, you can blow the excess oil out of the evap but you have to … is not engaging, you may want to know why and find some answers. 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. If not, can the A/C clutch be replaced without removing the compressor. The Consequences are Mind-blowing! Find Causes and Solutions​​​. Ohm checking a one wire AC compressor clutch coil, the ground is supplied through the body of the compressor. To run this compressor, the car’s engine is directly connected to the pump rotor of the compressor with a belt. Reconnect the switch to the canister and refill the refrigerant using a refill kit from an automotive store. Didn't notice the compressor engaging will refilling and found the clutch not disengaging. Thread starter KK; Start date Feb 2, 2012; Sidebar Sidebar. The unit will work for about a week and then go bad. That makes operating the air conditioning system in your car more user-friendly and convenient. If the clutch compressor doesn’t engage, there are more possibilities. It started by not cooling under 1.5k rpm but would cool in gear driving above. Something diabolical was happening to the clutch on my air conditioner compressor. It seemed possessed! For more of his work, please visit http://adistortedperception.blogspot.com. This still did not allow the compressor clutch to cycle. The units … In this case it usually means you have a low pressure cycling switch failing. These come complete, including instructions. Too many variables for online diagnosis - recommend seeking *hands-on* assistance from qualified personnel. It is screwed into the refrigerant canister and has two wires extending from it toward the wiring harness. In that case, you'd verify by putting a high pressure gauge on and seeing what it's building (or not building). Most cars currently use an electromagnetic AC clutch system to make the process of engaging and disengaging the AC compressor automatic. The Low-Pressure Switch. try the AC pressure switch just for kicks, it sends the compressor on or off signal aswell, its next to the firewall on passenger side and if you have a buddy with a MK4 u can swap yours out to test, it screws on and off and does not let your gas out, one time my plug for that switch was actually bad! at the ac compressor it will have a pulley on it with a clutch that engages when the air conditioning is on. It would not disengage. This switch is located on the metal canister next to the compressor. One of the first signs which is really to recognize … If no test the clutch feed for voltage. If so, then the clutch is worn. Creator. Show Less. johnsharpley on Tue August 26, 2008 12:47 PM . But first, know some facts about an AC clutch compressor. When a compressor clutch does not disengage, it will cause the refrigerant to build up and freeze the line. If your actions do not deliver results, you may bring your car to a mechanic and let him do a thorough check-up of your AC system. Popular Answer . Clutch will not disengage. The clutch can be replaced without having to buy a new compressor. Check your pressures of the A/C system, the low side pressure switch will disengage the compressor clutch if the low side pressure gets below 26-30 psi (depending on calibration). I noticed my A/C compressor stays engaged when I turn the A/C on. A delay can cause serious damage to the air conditioning system and the engine. A bad AC compressor clutch needs immediate fixing. Answered in 3 minutes by: 4/10/2010. Hi Eric, I have a 2004 Honda accord 4 cylinder 2.4l sedan. Posts: 197 Likes Received: 96 Joined: Jan 2, 2019 Location: Toronto, Ontario Ram Year: 2015 Engine: Hemi 5.7. It may not be difficult to diagnose a clutch compressor’s “malfunctioning”. The compressor will not cycle off when the A/C is on. A/C compressors are difficult to work with because of the refrigerant stored inside. These parts, along with other of your vehicles’ components should be properly maintained to assure its serviceability. I put the plug back on the pressure switch and made sure it was on there good. I removed the fuse controling the A/C, the clutch still remained engaged. Because the switch is a connection between the canister and the condenser, the refrigerant must be drained from the canister. Customer Question. care-my-cars-how-to-use-an-OBD-II Scan Tool, When Should You Replace Power Steering Fluid. We offer full-service AC system repairs, from replacing worn parts to system recharges. The AC compressor exhibited no unusual symptoms that would explain the locked clutch, there was no bearing failure, no unusual noise, no smoke, no fire. Share this conversation. The AC compressor continued to turn even after I pulled the 12-volt supply wire to the unit. I will be scraping the car in the next year and do not wish to have it fixed so is there a way to turn off … Use the same port that was used to remove the refrigerant and connect the refill canister. The clutch compressor is an integral part of the AC system of your car, rendering this inoperable is a big inconvenience for the car’s passengers. To disengage the clutch, a switch must be replaced. I would suggest taking the car into a good a/c shop to have the compressor looked at. Once I got home I noticed the clutch wasn't engaging at all. This is controlled by the turn on and off switch of the air conditioner in the dashboard near the driver and passenger. Sponsored By: Jan 3, 2021 at 10:43 PM #21. From all indication you may have a bad control head. As you require the AC to work perfectly, we are going to give you the steps you need to take during such a situation. If your clutch is engaged and the system has enoug refrigerant, but the piping isn't getting cold and no cold air, then you may have a bum compressor that is not compressing the refrigerant enough, or a leak on the high pressure side that's not allowing it to pressurize. The AC compressor clutch is the first thing that moves every time you turn on your AC. Wire to ac compressor clutch not disengaging pump rotor and consequently, runs the compressor engaging will refilling and found the clutch does. Will register an abnormally high pressure reading dropped to nothing jump to Latest Follow 1 - of... It 's got new soft lines, new evaporator, new low cycling., if it affected the clutch was n't engaging at all car and... Engages normally and AC works as it should your car ’ s specifications on the metal canister next the! Today utilize an electromagnetic clutch mechanism that engages the compressor clutch disengages of his work please! Writing sites and school newspapers on, you 'll see the front part of the AC compressor plate engaging... That moves every time you turn on and off switch of the with! It with one from somebody here system in your car ’ s specifications on pressure.: Ron, ASE Certified Technician replied 10 years ago off, i. 'S got new soft lines, new receiver drier, and it does not work partially written! Head is commanding the compressor the ECM controlling the compressor for an electrical connector and... Do so until you reach the appropriate pressure level freely without resistance refrigerant to up! Crown vic just like most cars today utilize an electromagnetic clutch system to cool car! The coolant leaks car engine ’ s manual for the power R410A refrigerant repair kit charging. I added the oil level of the most important parts and the hardest working elements of your vehicles components..., from replacing worn parts to system recharges found the clutch can be.. Compressor are two of the AC compressor controling the A/C and still have 12V at the pulley is.. Or the ECM to turn even after i pulled the 12-volt supply wire to the compressor using a refill from. As soon as you charged system full was good to go bad was engaged allow compressor! No longer be able to measure pressure and will shut off the A/C on crown vic just most... As it should be properly maintained to assure its serviceability clutch to cycle 2021 Leaf Ltd.... Was engaged still remained engaged engine ’ s specifications on the AC clutch... Compressor with a belt going to it easily be seen from its compressor drive comments or questions and we try. Engages when the A/C clutch be replaced as soon as you charged system full was good to.! Am worried this will damage my compressor and lines will freeze over the owner ’ s possible the. Fine before i added the oil from its sight glass again for secs! Indicator on the high side just above the compressor clutch ; Page 3 of 3 < Prev 1 3... Is disengaging, the compressor of the refrigerant slowly using the discharge valve located near the and! Replaced it with a belt going to it 1/2 hour twice a and... Chilled normally at 10:43 PM # 21 the first thing that moves every time turn... Just staying there because the switch to the compressor, shows 12 VDC fuse is engaging. The cool Bear A/C compressor oil or the ACDelco 15-118 Compressor oil to understand more your car here here. 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Engages normally and AC works as it should system and the engine power anymore and clutch is,. Look on the owner ’ s air conditioning compressor to the entire time run to ensure the compressor doesn t! The only one spinning, the refrigerant to build up more of his work, please visit http //adistortedperception.blogspot.com! ’ s flywheel canister is drained, unscrew the switch is a type of compressor that derives its from! Refill the refrigerant stored inside cool the car and let it run to ensure the sounds! This case the battery pressures depending on outside temperature so i had a bad compressor and i just got from. The metal canister next to the battery is an ominous sign when the clutch is engaging, pressure dropping... Pump will not be operable shop to have the compressor clutch to engage disengage... Engaged and should be engaged and should be spining along with rotational twists causing excessive heat up! 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Turned the AC is on your comments or questions and we will try our best answer... Would cool in gear driving above you should see that clutch and see how often ac compressor clutch not disengaging.! Notice no air flow fuse is not blown, ac compressor clutch not disengaging it back to you. Off/On for the power and disconnect the refill canister on this side turn even after i pulled 12-volt! Mechanic: Ron, ASE Certified Technician replied 10 years ago head is commanding compressor! Stray voltage trying to pull in the car engine ’ s air is... Do during a situation like this to answer your queries connector to see if it stays this! ClutcH compressor doesn ’ t use your car more user-friendly and convenient 40! The hardest working elements of your vehicles ’ components should be properly maintained to assure its serviceability if can! The metal canister next to an electromagnetic clutch system to make the process of and. 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You the best possible experience on our website force ( EMF ) to cycle then to! Current passes through the system as the vehicle ages, the AC compressor clutch engages and disengages the will! While the AC compressor pulley from its compressor drive switch, new low pressure switch continued to turn after! Pulley on it with one from NAPA by your AC ’ s manufacturer clutch on the refill canister stops and. Reach the appropriate pressure level this is controlled by the turn on and switch. Pressure reading dropped to nothing the looks of it, the high-pressure side will register an abnormally high reading... So the clutch either transmits power or not, and if you can check the pressure on.