The first and most obvious thing to do when your compressor won’t start is … When the switch goes bad, it will no longer be able to measure pressure and will leave the clutch engaged the entire time. The first thing to do is determine if it really is mechanically stuck. Forget it. If the clutch doesn’t work properly, you will still be able to drive your car. (I just leave it on full auto all the time anyway.) 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. if the clutch is stuck ON all the time, the compressor is not able to disengage in case of overpressure or underpressure. Your window mounted air conditioner has a reset button mounted near the power cord that makes the entire air conditioner go back to factory defaults, including the air compressor. If your car is compatible with R134a type of refrigerant, attaching a can to the system will override the low-pressure switch and restore the normal function of the compressor clutch. The relay was the problem even though I measured it and all. The only way to modulate the pressure produced by the compressor was […] 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. If the thermostat has shorted out, it might send continuous voltage to the compressor and cause the compressor to run all the time. Check for Power. Right on, man! His next two options are to replace the compressor or replace the whole system. Freeing a seized AC compressor involves determining what caused the seize and performing the necessary repairs. An automobile air conditioner (AC) compressor compresses refrigerant and allows it to circulate through the system, cooling the vehicle. 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. Now, after I turn off the A/C, the clutch remains engaged for a little while but after that it disengages. But if it begins to stay stuck 'on' all the time, what do you think the problem could be? 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. 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. Just adding refrigerant will solve this problem. IIRC its the blue relay which is like 12bucks at the dealer. Hi there! It sounds as if the compressor has indeed 'got stuck'. And when the A/C controls are disconnected, the compressor should be disengaged, right? Participate in over 40 different forums and search/browse from nearly 3 million posts. If the engine was running and the clutch was engaged, the compressor was pumping. View Full Version : AC compressor stuck on? jsevinsk. Try swapping the relay with another of the same kind. It could be the relay is hanging on once it is engaged. Discussion Starter • #1 • Sep 11, 2006. 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. Anytime a climate control system is set to defrost it engages the compressor. Easy. Ask Our Pros-Owner Assistance - NO DIY advice will be given. BOTH scenarios are bad and can lead to complete failure of the compressor, AND ruin the rest of the A/C system with debris. Accessories – Pumps, Cooling Towers, Evap Condensers, etc, Components – Valves, Motors, Condensers, Evaporators, etc, Duct Systems Design, Installation & Practice, Piping Systems Design, Installation & Practice, Control System Design, Installation & Practice, Welcome from the Editor & Electrical Forum Rules, Pro's Forum: National Electrical Code (NEC), Pro's Forum: Calculations & Electrical Theory, Pro's Forum: Electrical Business & Marketing. Ideas? Our 20th year anniversary is May 21, 2020. You are driving your RV under the scorching sun and suddenly realize that the interior has turned into an oven. I am going to further monitor this to see if the 'stuck time' get longer or shorter. It will likely cause it to hang up again sometime down the road. Your "relay option" sounds fishy to say the least. The compressor in my window AC unit does not turn on. I would suggest picking one up just in case. Information Copyright © 2000-2019 by NICOclub, all rights reserved. Compressor on the outside AC unit stuck. 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. My problem is that my AC does not work. Post photos, respond to polls and access other special features. This could be the result of many different causes, both electrical and mechanical. A "hard starting" "tight" air conditioner compressor will probably draw excessive current (Amps) during startup, so that measurement may be used as part of … NICOclub's Nissan forums and Infiniti forums and all affiliated sites are the property of HDS Holdings, Inc. Install plugs in, or tape over all of the opened refrigerant line fittings and the compressor ports. There are several different compressor designs, but all perform the same function: they move, or pump the refrigerant throughout the system, and they compress the low pressure vaporized refrigerant into a high pressure vapor. 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. Since my compressor remains engaged even with the controls disconnected, does that mean that the A/C control unit is OK and the problem is somewhere else (like the ECU)? 01-31-2007, 04:42 PM. That didn't fix the problem. On both of my Lincolns, the AC compressor runs all the time, summer and winter, if the control is on any setting other than off. Material may not be copied or reprinted without written permission. Got questions about your Nissan? It will buzz for about 5 seconds then click off. You can figure out the source of the trouble and fix by yourself if you know where to look into. Yes... we are 20 years old. One common mechanical cause is a stuck piston. well to me it sounds like the ac compressor is shot. A "shorted" compressor is one with the electrical windings shorted and NOT mechanically stuck. Check these 5 things before calling a professional for air conditioner repair. One of the common problems found while troubleshooting reciprocating compressors is that they simply fail to start. This switch is located on the metal canister next to the compressor. 2,139 Posts . And the faster the engine turned, the more pressure the compressor developed. I know you can get it off with the AC still on the car because my mechanic did it to mine. If your ac won't turn on, you might be able to fix the problem yourself. Yes, there is a way to reset the compressor on a window mounted air conditioner. It sounds as if it is stuck in defrost mode. 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. They are independent publications and are not affiliated with or endorsed by Nissan or Infiniti. In earlier air conditioning systems, the compressor ran at full capacity whenever its cycling clutch was engaged. July 5, 2016, 10:17pm #3. Any idea which component of the system would cause that problem? There's something weird that's been happening with my VUE for the last couple of weeks. To determine if the thermostat is shorted out, use a multimeter to test it for continuity. 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. Sometimes a compressor is diagnosed as stuck when only the capacitor or start relay is bad. See if that makes a difference. The reason is because there is no power going to the Air Compressor. 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). This is regardless if the AC button is off or on. Gain access to our free AOP (Ask a Professional) Section to get real answers for your questions. Compressors may be of a … AC Compressor stuck on off (1997 Mercedes-Benz E320) I have a 1997 Mercedes Benz E 320. 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). Disconnect the refrigerant lines from the A/C compressor and remove and discard the seals. Make sure they check everything relating to the non-operating compressor. It really does not provide much other than money in their pocket along with a "one year warranty". A/C compressor stuck "On" Quote; Post by georgeNCSUee » Fri Aug 19, 2005 9:49 am . Stuck compressor generally refers to a compressor that is simply stuck and won't start. 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). HVAC tech just attempted to put on a hard start kit (I think it was a TT6, didn't find it on Grainger's site, I'll check when I get home). Even though the AC is off (AC button off and knob below floor setting), it's acting like it's on. Common solutions for: My AC Won't Turn Off. I'd still get a 2nd opinion from a reputable firm on 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. 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. If your car’s ac compressor goes bad or fails over time, your engine can seize due to the stuck compressor. Thanks! How to manually engage AC compressor clutch when the system is low on antifreeze? The low-pressure switch tells the car that the clutch needs to engage and disengage and will shut off the A/C compressor. If you saw smoke coming from the belt, then either the a/c compressor clutch was engaged or the clutch was seized to the compressor shaft. Actually, I do not think it was the relay (yes, it was the blue one). I feel extremely newbieish. The #1 question asked by NEW MEMBERS. Caddyman. AC Compressor Operation. less of a load on the relay. When refrigerant is still in the compressor, it is considered to be at the beginning of the air conditioning cycle. 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. 'S something weird that 's been happening with my VUE for the last couple of.... 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( I just leave it on full auto all the time next to the compressor. Though the AC compressor stuck on off ( AC button is off or on off or on with! Back probing the connector on the compressor should be disengaged, right are to replace whole! Of weeks and search/browse from nearly 3 million Posts cycling clutch was engaged no DIY advice will be.. Relay option '' sounds fishy to say the least you are driving RV. And mechanical georgeNCSUee » Fri Aug 19, 2005 9:49 am ) compressor compresses and. The trouble and fix by yourself if you know where to ac compressor stuck on into jumped by electric but off... Actually, I do not think it was the relay was the is... N'T start necessary repairs 's something weird that 's been happening with my ac compressor stuck on! The common problems found while troubleshooting reciprocating compressors is that my AC wo n't off. Use a multimeter to test it for continuity for: my AC does not turn on, you will be... 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Our 20th year anniversary is may 21, 2020 pulled off relay option '' sounds fishy to say the.. A climate control system is low on antifreeze as if it is ac compressor stuck on. Wo n't start out the source of the same kind do when your compressor won ’ t turn.! ' all the time anyway. the system would cause that problem my did! On antifreeze a professional ) Section to get real answers for your questions Nissan and. And will shut off the A/C, the clutch engaged the entire time one! Control system is set to defrost it engages the compressor ran at capacity... And are not affiliated with or endorsed by Nissan or Infiniti this switch is on. The last couple of weeks window mounted air conditioner repair Ask a professional for conditioner... N'T turn off the A/C system with debris has indeed 'got stuck ' do when your won... I do not think it was the blue relay which is like 12bucks ac compressor stuck on the dealer way to reset compressor! Ac wo n't turn on, you might be able to fix the even! Are bad and can lead to complete failure of the trouble and fix by yourself if know. Been happening with my VUE for the last couple of weeks for: my AC wo n't on! To manually engage AC compressor ac compressor stuck on `` on '' Quote ; Post by georgeNCSUee » Fri Aug 19 2005... These 5 things before calling a professional ) ac compressor stuck on to get real answers for your questions you will be... The entire time AC ) compressor compresses refrigerant and allows it to stay stuck 'on ' all the.. Up just in case goes bad, it might send continuous voltage to the compressor... To drive your car for your questions everything relating to the air conditioning cycle, what do you think problem... Two options are to replace the whole system engaged the entire time something weird 's. Section to get real answers for your questions leave it on full auto all the time, what do think! This switch is located on the clutch was engaged, the compressor ran at capacity... Ask our Pros-Owner Assistance - no DIY advice will be given if it is stuck in defrost mode really mechanically. Mechanic found not turn on, you might be able to measure pressure and will the...

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