Regardless of the reason, each of the four possible scenarios has its own way of troubleshooting. Switch it back to the middle setting before switching it back to on. I notice that the AC gets cold if the car is moving, but if i am idel hot air blows out of the ac. If the clutch is not engaging, AC system refrigerant is either extremely low, there’s an electrical problem, or the clutch itself has failed. It is common when facing issues such as fan clutch stuck engaged or fan clutch hard to spin. If the fan is damaged and does not operate at full power, it will not cool down the heat coming from the refrigerant. Checked for battery at the blower, when the car is running. I figured the fan has stopped at this point and now is a good time to head back. With the engine running, blower fan on max high and AC controls set to the lowest temperature, the clutch should be spinning. Furthermore, there are two basic types of motors used in many conventional condensers for fan motors: The Two Most Common Fan Motors for Condensing Units How to Troubleshoot & Fix an AC Fan Not Spinning. The first thing to check if your car air conditioner does not blow cold air is the condenser fan. There are a number of common problems with radiator fans, and if your vehicle has one of them, fixing it is relatively quick and cheap to administer. They include: 1. But first, know some facts about an AC clutch compressor. In many standard residential AC systems, a compressor is often placed in the outdoor area. AC Recharge: $224.56 - $241.84: Get a Quote: AC is not working Inspection: $96.46 - $106.46: Get a Quote: Robert Kulp. 2. If the compressor is working, but the fan won’t turn, then the problem is most likely with the motor and/or capacitor. On some vehicles, for example, only the condenser fan operates with the air conditioner, while only the radiator fan operates based on engine temperature. If you observe the AC condenser fan not spinning on your outdoor air conditioning unit, the problem is likely one of a few common things. I am broke and pretty handy; does this sound like a capacitor? Blower still does not work. What did you find out how to fix it was it just the fans its self. Car is constantly overheating. There are 2 fans in your air conditioning system: one in the condenser unit and another in the air handler. Stand in front of the AC compressor at the front of the engine. If the motor fails the blades will not be able to spin or generate air flow. Edited May 26, 2015 by Mustank. The first thing to look for is the condenser fan being on (if equipped). Before calling your service technician out to start replacing components, check the thermostat settings first. 4) any a few more i cant remember liao . https://www.wikihow.com/Diagnose-a-Non-Working-Air-Conditioning-in-a-Car Relay boards are often misdiagnosed; before replacing the board, make sure you check more commonly defective parts—particularly the fan motor capacitor and the fan motor itself. When your air conditioner suddenly breaks down, it’s difficult to know where to start in identifying the problem. If this fan is not on then this is a problem that must be checked out. If any of the parts of your air conditioner overheated, it’s possible it tripped the circuit breaker. Taking Care of Problem One with the Fan Motor not Turning | AC Unit Fan Not Spinning. Do not use your hand to spin the fan, its very dangerous and can get yourself injured ... car aircon switch - $200. If you see the fan is not broken, it may be some wiring work that needs to be done. The most common reason that your Air Conditioner fan won’t turn off is because a stuck relay keeping the circuit closed. Wait for the AC clutch in front of the compressor body to engage and spin. Most vehicles today have one multi-speed fan that blows air through a series of ducts and vents based on the driver’s selection in their climate control system. Share this conversation. I called the AC guy and the fan was hard to spin so he replaced the fan motor. Another symptom of a possible problem with the cooling or radiator fan motors is the vehicle overheating. System has freon in it. Freon Leak. Use a flat head screw driver to pry it out of place. Category: HVAC. Faulty wiring could be to blame. Rotated all the PDC relays around, they have the same ID, other than ABS pump. Any advise please. The capacitor may have gone bad and therefore the fan won't start. As its name suggests, the main function of a compressor is definitely compression. Car reassembled, I set out to do some low speed driving, go sit in parking lots with the A/C cranked for 5-10 minutes at a time and then turn the A/C off and on and see if it trips up the fan. It was working find but now nothin7. Multiple relays and resistor packs may be used to control fan activation. Amyia Adans on October 03, 2019: My son will come on but it'll run slow and stop. If you have problems with the radiator fan, you need to take care of them immediately or you could cause serious damage to your car. was not sure witch one was the new one. Verify if this light turns on when you reach MAX A/C. Fan not spinning, unless I use a stick to get it spinning, and when it is spinning, cool air does not come out of the vents. Here is my question. Recommended Services. If you’re here, chances are you’ve tried to recharge your AC system and found a compressor clutch not engaging issue. Do a visual inspection for this one, too, and see if the cooling fan is not broken. Bad AC Condenser Fan Symptoms. This is the first and most important sign to look for. Blower still does not work. Rotated all the unmarked relays around in the junction box. 2. Dan Ferrell (author) on July 29, 2019: If fan motors are working, and voltage is present at the plug, then the problem could be in the circuit. You have to make sure that the compressor has enough oil to function properly. This can also be labeled as MAX A/C. Coolant fans not running when ac is turned on. April 2 by Joseph Macaluso. I have the exact same problem. Have an assistant turn on the AC controls to maximum. 3 Issues with Your Air Conditioner Fan Speed. First time i added coolant but it is still happening. There is no battery to operate the blower. In case it is, you need to make a replacement for the same. If your car’s AC isn’t blowing air, it could be a problem with your car’s fan. February 5 by M Mills. The air isn’t cooled when AC is turned on. You can hear this when inside the vehicle. If your window air conditioner is not blowing any air, the problem could be the fan or fan motor. Link to post Share on other sites. The mechanic will check to see if all the wires to the fan … The cooling fan motors work together with the cooling fan blades to pull air through the radiator. What is an AC clutch compressor. When you are sure that there is a problem with the clutch, the next part is to engage it. Car air conditioner compressor clutch not engaging. 1. Step 4 Remove the center cap from the fan blade unit. The radiator fan does a very important job; it cools the radiator to stop the car from overheating. Ask Your Own HVAC Question. The fan won’t start even though the AC is on. My car has an automatic transmission. The first thing you need to know about the system is the type of motor you have installed in the condenser. Start the engine and let it warm up. Show More. When the ac is of the radiator hoses both become same heat after a while and the overflow reservoir starts boiling over and the fan do not kick in. It may cause the fan to cut in and out, or not come on at all. Step 1: Turn on the AC. When the fans are faulty, the airflow is not going to happen, and you are not going to get the cool air. Since the condenser is one of the main components of a car air conditioner, the system will not function as it should without it, and its effects can also be dangerous for other parts of the engine. I was out maybe 20-30 minutes. Scenario A: Compressor works, but the fan does not spin. This is a full explanation of how the system works. If it does not, shut the engine off and disconnect the negative battery cable with a … Faulty Capacitor. 3 Share this post. In a properly working air conditioner, the fan will draw air over the cold evaporator coils and then re-circulate the air back into the room. Today i tunred the car on and noticed that the radiator fan is not spininng. In a few car models, the power of the air conditioning system flows from the AC switch to the fuse before being transmitted to the clutch oil through the low-pressure evaporator temperature. Show Less. The problem: You have a bad fan motor and/or bad start capacitor. He also said my freon was low and gave me a charge. Checked continuity of 40 amp blower fuse; it's okay. This makes operating your car’s air conditioning more convenient and user-friendly. This article will help you decide on what to do when the AC compressor clutch is not engaging. If they do, turn the fan off and unplug it and replace the front of the fan cage. Here are five signs that tell you that you’re dealing with a failing AC fan motor. This fan should turn on within a minute of the AC system being switched on. If there’s an issue with the relay, the fan will be affected. In addition, you should also check the condenser fan’s wiring and connection and its placement to see if it is positioned correctly. Submitted: 9 years ago. An AC clutch compressor is a type of compressor that derives its power from the car engine’s flywheel. HVAC Technician: gotoman … A/C Condenser not working. 3) 40d canera shuter button - $300. It was still under warrenty. Vehicle overheating. Start the engine and set the air conditioner to its coldest setting. 2) iphone contact button - $50. Answered in 6 minutes by: 5/1/2010. In this case, air will move through, and owing to the pressure; there will be the creation of a noise that is similar to a roar. Turn the car’s fan motor on high and press the button to turn on the AC. Fan Selection: Depending on vehicle design, the fans may operate singly or in tandem. 2. 1. My car has 234565 miles. If the relay board isn’t working properly, the fan might not run. Automotive Mechanic. 5 Signs That Indicate a Failing AC Fan Motor. If so, try the troubleshooting techniques described here. This is typically a plain plastic cap or maybe a cap with the fan maker's logo on it. Both fans have an equal part in cooling your home. AC compressor clutch engage then it will disengage. If they do not, go on to the next step. Dumb 3,394 THREAD STARTER. When my AC is on, my corolla fan is always spin low till the engine gets hot.. During idle the fan always take long before it comes up. Car AC Not Blowing or Is Your Car AC Fan Not Working? When I turn on the ac the fan works and keeps the car cool. In most car models these days, an air conditioner could not work correctly without an operating compressor. 24 … The AC button has a light on the button that illuminates when the air conditioner is turned on. Power Interruption. In an air conditioning system, this part operates by compressing gaseous, low-pressure, and cool refrigerant … After reading, go to this post to learn how to diagnose a compressor clutch problem. A wiring issue. Well this car was great deal because of the price and it came with tools and most of new cooling system parts still in boxes but it came with 2 thermostat open box so i just put one on when i was putting it back together. The fan relay controls the power to the cooling fan. I have noticed that the fan on the outside unit is not ALWAYS spinning everytime the AC is on and the compressor is buzzing. These noises are common when driving the car at high speed. You may hear a slight “click” or change in engine speed when the clutch engages. The relay board provides voltage to many components of the air conditioner, including the fan motor. Dumb 3,394 6th Gear; Member; 3,394 2,398 posts; Posted … I got the temps up to 220 at a shop not too far from the house. If it’s not the relay, your thermostat likely has a shorted cable or needs to be replaced. 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