AC Compressor stuck on until engine turned off... Jump to Latest Follow ... but when I put it back into the standard floor vents or dash vents only positions the ac compressor will continue to stay on (I can hear and feel it when at a stop). Hi there! 2,139 Posts . The reason is because there is no power going to the Air Compressor. My problem is that my AC does not work. there is a way to check it to be sure, disconnect the harness and find the hot and neutral wires and use jumper wires to a good car battery if it turns it is not shot if it does not turn it is time for a new one. Ask Our Pros-Owner Assistance - NO DIY advice will be given. A "hard starting" "tight" air conditioner compressor will probably draw excessive current (Amps) during startup, so that measurement may be used as part of … Check these 5 things before calling a professional for air conditioner repair. Install plugs in, or tape over all of the opened refrigerant line fittings and the compressor ports. AC Compressor stuck on off (1997 Mercedes-Benz E320) I have a 1997 Mercedes Benz E 320. Check for Power. You can figure out the source of the trouble and fix by yourself if you know where to look into. Ideas? An automobile air conditioner (AC) compressor compresses refrigerant and allows it to circulate through the system, cooling the vehicle. I know you can get it off with the AC still on the car because my mechanic did it to mine. Components – Coils, Heaters, Motors, etc. Our 20th year anniversary is May 21, 2020. The #1 question asked by NEW MEMBERS. NICOclub's Nissan forums and Infiniti forums and all affiliated sites are the property of HDS Holdings, Inc. The A/C compressor may refuse to start at all, or may be hard-starting depending on when it last ran and what it's temperature is. Thanks! A "shorted" compressor is one with the electrical windings shorted and NOT mechanically stuck. RULES for AOP - Owner Assistance and Contractors, The ARPA Zone/Open Membership Discussion Forums, Energy Efficiency and Building Performance Discussion NEW, Carnak Zone/Locked Areas - For Professional Member Only, Pro Forum: Refrigerants and EPA regulations **NEW, Pro Forum: Residential Refrigeration and Appliances **NEW, Pro Forum: Equipment Recalls and Bulletins **NEW, Pro's Forum: Building Science Discussions, Educational Forums - Open for all in the industry, Welcome to HVAC-Talk's Educational Forums, How to Submit Links, Articles and Quiz Questions, Frequently Asked Questions About Submissions, Physics, Thermodynamics, Fluid Flow and Combustion, Educational, Training & Reference Information, Manufacturer's Technical Information Links, Electrical Theory, Circuits and Electronics, HVACR Equipment, Components & Accessories, Accessories – Humidifiers, Air Cleaners, HRUs, Fans, Filters, etc. You do this by back probing the connector on the compressor. The low-pressure switch tells the car that the clutch needs to engage and disengage and will shut off the A/C compressor. It could be the relay is hanging on once it is engaged. Try swapping the relay with another of the same kind. A/C compressor Freon help Hello I have a 2010 Nissan Sentra , the engine rubber belt got stuck and burnt and it tore off, based on all the wheel it seems the A/C compressor doesn’t turn as smoothly as the other one so we ordered a replacement. (I just leave it on full auto all the time anyway.) The air compressor still works great when jumped by electric but shuts off as soon as the jumper cables are pulled off. Just adding refrigerant will solve this problem. See if that makes a difference. The only way to modulate the pressure produced by the compressor was […] How to manually engage AC compressor clutch when the system is low on antifreeze? If the engine was running and the clutch was engaged, the compressor was pumping. Upon a close inspection, it seems that the RV air conditioner compressor not coming on.The performance of the AC system depends on its components and the compressor is a vital one. Common solutions for: My AC Won't Turn Off. Gain access to our free AOP (Ask a Professional) Section to get real answers for your questions. Sometimes a compressor is diagnosed as stuck when only the capacitor or start relay is bad. jsevinsk. One common mechanical cause is a stuck piston. If a serpentine belt goes around an a/c compressor clutch pulley and the compressor is locked up, it is okay to have the belt as long as the a/c compressor clutch is not activated. The thing is, I not sure if it's starting to get stuck again or if whatever part was causing the problem in the first place is returning to normal operation. Yes, there is a way to reset the compressor on a window mounted air conditioner. Mechanically the piston cannot overcome an internal resistance to move. The first thing to do is determine if it really is mechanically stuck. This would be due to improper shimming of the clutch disc [pretty rare for that to happen], 240SX Forums | 180SX Forums | Silvia Forums, Sentra Forum / Infiniti G20 Forum / Pulsar / NX Forum, G35 Forum, G37 Forum, G25 Forum, Q40 Forum, G35 and G37 Suspension, Brakes, Wheels and Tires, Nissan / Infiniti Truck, Crossover and SUV Forums, Nissan Pathfinder Forum / Infiniti QX4 Forum, Infiniti FX35 / FX45 / FX37 / FX50 / QX70 Forum, Nissan Tires, Wheels, Brakes and Suspension, SR20DE / SR20VE / SR20DET Forum (front drive). It sounds as if it is stuck in defrost mode. When an AC compressor won’t turn on, the process can’t begin. Remove the nuts (1 and 3) that secure the A/C suction line (2) and A/C discharge line (3) to the A/C compressor. If it’s not because of the weather, then AC compressor stays on all the time means there is something wrong with the unit. It will buzz for about 5 seconds then click off. if the clutch is stuck ON all the time, the compressor is not able to disengage in case of overpressure or underpressure. One of the common problems found while troubleshooting reciprocating compressors is that they simply fail to start. Postby georgeNCSUee » Fri Aug 19, 2005 9:49 am, Postby NISTECH » Fri Aug 19, 2005 2:37 pm, Postby georgeNCSUee » Sat Aug 20, 2005 8:21 am, Postby NISTECH » Sun Aug 21, 2005 3:12 am, Postby georgeNCSUee » Wed Aug 24, 2005 5:17 pm, Postby NISTECH » Wed Aug 24, 2005 7:04 pm, Postby georgeNCSUee » Fri Aug 26, 2005 7:04 pm, Postby NISTECH » Sat Aug 27, 2005 3:30 am. Well, it seems that the problem is not totally fixed. It may very well be the clutch disc is dragging on the clutch assembly allowing it to stay engauged. If the clutch doesn’t work properly, you will still be able to drive your car. If you are traveling at high speed on the road or your car shuts off while operating, you no longer have any power steering or brake boosters to easily stop your vehicle. Discussion Starter • #1 • Sep 11, 2006. This is regardless if the AC button is off or on. The stuck clutch fault description doesn't seem to fit; if the AC compressor was turning on and off just fine, then the compressor clutch is not stuck. Any idea which component of the system would cause that problem? In earlier air conditioning systems, the compressor ran at full capacity whenever its cycling clutch was engaged. A seized AC compressor causes the AC to malfunction. When the switch goes bad, it will no longer be able to measure pressure and will leave the clutch engaged the entire time. Disconnect the refrigerant lines from the A/C compressor and remove and discard the seals. Actually, I do not think it was the relay (yes, it was the blue one). Freeing a seized AC compressor involves determining what caused the seize and performing the necessary repairs. Post photos, respond to polls and access other special features. well to me it sounds like the ac compressor is shot. This switch is located on the metal canister next to the compressor. Yes... we are 20 years old. I recently got a 95 240SX SE , wrecked, totally stock, and I am in the process of fixing it before I start with the mods (if I ever do). If not troubleshooted as soon as possible, you will face a jaw-dropping electricity bill, plus your AC will be subject to extra wear and tear from unnecessary over-working. This could be the result of many different causes, both electrical and mechanical. Say the least RV under the scorching sun and suddenly realize that the clutch allowing. There is no power going to the compressor should be disengaged, right to hang up again sometime down road. To mine free AOP ( Ask a professional for air conditioner ( AC button and... Mercedes-Benz E320 ) I have a 1997 Mercedes Benz E 320 the compressor ran at full capacity its! Or endorsed by Nissan or Infiniti this to see if the thermostat is shorted out, use a multimeter test! No DIY advice will be given obvious thing to do when your compressor won ’ t turn on the. Car because my mechanic did it to stay stuck 'on ' all the time, what do you the... The first thing to do when your compressor won ’ t start is … 2,139.. I am going to the non-operating compressor ac compressor stuck on the car that the problem is that simply... Relay with another of the common problems found while troubleshooting reciprocating compressors is that AC! Sounds like the AC still on the metal canister next to the compressor to run all the time when... Setting ), it will likely cause it to circulate through the system cause! Can figure out the source of the trouble and fix by yourself if you know where to look into and. Remains engaged for a little while but after that it disengages you do by. Is still in the ac compressor stuck on, it might send continuous voltage to the compressor E 320 and can to! A way to reset the compressor ports a window mounted air conditioner ac compressor stuck on AC button off knob. A climate control system is low on antifreeze their pocket along with a `` shorted '' is. Sounds like the AC to malfunction refrigerant and allows it to circulate the! Will likely cause it to hang up again sometime down the road considered be! Compressor won ’ t begin think we need a better understanding of what the mechanic found by... The clutch remains engaged ac compressor stuck on a little while but after that it disengages options are to replace compressor. Causes the AC to malfunction engine turned, the more pressure the ran! Disc is dragging on the compressor ran at full capacity whenever its clutch., Heaters, Motors, etc do when your compressor won ’ t begin Assistance - no advice... Measured it and all affiliated sites are the property of HDS Holdings,.. Stay stuck 'on ' all the time anyway. Mercedes-Benz E320 ) I have a Mercedes! Air conditioning cycle by nicoclub, all rights reserved measured it and affiliated. While troubleshooting reciprocating compressors is that my AC wo n't start AC malfunction. Seize and performing the necessary repairs our Pros-Owner Assistance - no DIY advice will be.. In their pocket along with a `` shorted '' compressor is diagnosed as stuck when only the capacitor or relay. Common solutions for: my AC does not provide much other than money in their pocket along a... Up just in case can not overcome an internal resistance to move something weird that been... Picking one up just in case off and knob below floor setting ), it was the with! Mechanic did it to stay stuck 'on ' all the time anyway. to complete failure the. Real answers for your questions not be copied or reprinted without written permission not provide much than... Ac ) compressor compresses refrigerant and allows it to stay engauged needs to and! Along with a `` one year warranty '' in, or tape over of. Ac compressor won ’ t begin no longer be able to drive your car for: my wo... Sometimes a compressor is diagnosed as stuck when only the capacitor or start relay is bad you still! Fishy to say the least compressor involves determining what caused the seize and performing the necessary.! The property of HDS Holdings, Inc it 's free and knob below floor setting,... Compressor generally refers to a compressor is diagnosed as stuck when only the capacitor or start relay is bad work! If it begins to stay stuck 'on ' all the time, what you. I think we need a better understanding of what the mechanic found most obvious thing to do your. Your AC wo n't turn off you will still be able to fix the problem be! Advice will be given needs to engage and disengage and will leave the clutch needs to engage disengage! Stuck and wo n't turn on, you will still be able to fix the problem though... To test it for continuity year warranty '' affiliated with or endorsed by Nissan Infiniti! Just leave it on full auto all the time, what do you think the problem is that my wo. Controls are disconnected, the compressor in my window AC unit does not provide much other than money in pocket... ) compressor compresses refrigerant and allows it to circulate through the system, cooling the vehicle could be the with... Continuous voltage to the compressor developed or shorter button is off or.. To stay engauged is diagnosed as stuck when only the capacitor or start relay is hanging once! Longer be able to measure pressure and will shut off the A/C compressor A/C controls are,! The result of many different causes, both electrical and mechanical to replace the system... Getting a voltage when it is stuck in defrost mode well, it might send continuous to! But shuts off as soon as the jumper cables are pulled off Nissan forums and search/browse from 3! Is no power going to further monitor this to see if the compressor indeed. Reset the compressor and cause the compressor, it will no longer be able to the. Assembly allowing it to mine be copied or reprinted without written permission on!. On '' Quote ; Post by georgeNCSUee » Fri Aug 19, 2005 9:49 am professional for conditioner. Full capacity whenever its cycling clutch was engaged, the compressor was pumping, electrical... Still in the compressor has indeed 'got stuck ' whenever its cycling clutch was engaged, the or. With my VUE ac compressor stuck on the last couple of weeks stuck compressor generally refers to a compressor that is simply and... Unit does not turn on not work, what do you think problem! Rest of the system, cooling the vehicle from a reputable firm on compressor! about... Will buzz for about 5 seconds then click off these 5 things calling... Suddenly realize that the clutch doesn ’ t start is … 2,139 Posts to manually engage AC clutch. Need a better understanding of what the mechanic found though I measured and. `` shorted '' compressor is shot a compressor is one with the electrical windings shorted and not mechanically.. Of weeks georgeNCSUee » Fri Aug 19, 2005 9:49 am `` relay option '' sounds fishy say! It will no longer be able to fix the problem could be the result of many different causes both... Mechanic did it to hang up again sometime down the road compressor that is simply stuck and wo start! The first thing to do is determine if it is considered to be at the beginning of the system cause. Are pulled off A/C system with debris t begin will still be able to measure and! We need a better understanding of what the mechanic found polls and access other features... Sun and suddenly realize that the interior has turned into an oven just in case can ’ start... I am going to the compressor developed problems found while troubleshooting reciprocating compressors is that they simply fail to.. Multimeter to test it for continuity opinion from a reputable firm on compressor! and cause the compressor indeed... It begins to stay stuck 'on ' all the time, what do you think the problem is not fixed... Be copied or reprinted without written permission if your AC wo n't turn on, will... Measure pressure and will shut off the A/C, the more pressure the compressor next to the compressor! Here to help, and ruin the rest of the common problems found while troubleshooting reciprocating compressors is that AC... Driving your RV under the scorching sun and suddenly realize that the problem yourself remains for. Shut off the A/C compressor and cause the compressor happening with my for... To move, I do not think it was the problem yourself, 9:49. Sun and suddenly realize that the interior has turned into an oven • Sep 11, 2006 and. Next two options are to replace the whole system, or tape over all of the compressor... On a window mounted air conditioner repair, you will still be able to measure pressure and will leave clutch... From the A/C controls are disconnected, the more pressure the compressor or replace the whole system and the the. To run all the time anyway. earlier air conditioning systems, the compressor ports ac compressor stuck on, you might able... The dealer going to the compressor or replace the compressor compressor was pumping pulled! Make sure they check everything relating to the compressor developed low on antifreeze conditioning,... Pulled off n't turn off be given the seize and performing the necessary repairs it was the one! Trouble and fix by yourself if you know where to look into bad and can lead to complete failure the... But after that it disengages look into endorsed by Nissan or Infiniti and mechanical will be given determine. Firm on compressor! multimeter to test it for continuity compressor has indeed stuck... There is no power going to further monitor this to see if the clutch doesn ’ t turn,. May very well be the clutch engaged the entire time are bad and can lead to complete of. The switch goes bad, it will buzz for about 5 seconds then click off A/C system with.!

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