Both fans should turn on with the AC compressor, except at some higher vehicle speeds. Should I Set my HVAC System’s Fan Setting to Auto or On? My car has been over heating when my AC is off.The radiator fan turns on when my I turn my AC on, but then the car starts to heat up when I turn off the AC which also turns off the fan,causing it to over heat. Your electric fan is activated in two different scenarios. Checked the fuses, nothing. Then both fans work. Climatronic AC cars, with the engine running, select low cabin temperatures, make sure you are not in ECON mode, and check your fans. Hi folks, I have a 2006 2.5L Outback. Small cars typically have stacked AC and engine radiators cooled by a single fan. they should come on and stay on. I have a 2006 GMC Sierra, 1500 2WD, 5.3L engine. Ceiling fans are a great way to keep cool in the summer and warm in the winter if you know how to use them properly. In 25 degree Do not undervalue fans in your strategies to reduce your cooling bills. The relays are switched Yeah, did you try turning the ac on and press the recirculate button (max ac). One of these fans will run continuously when the A/C is on. By fans, I assume it has more than one. If the AC is off, the fans don't turn on until the 2003 camry 2.4 This is what is happening, cooling fans will not come on except when the AC is turned on and they will stop working when the AC is turned off, otherwise the car will over heat. the radiator fan doesn't work unless the AC is on. … Though there is much confusion on the subject, it’s not that hard as long as you remember two In my car, if the AC is on, the fans switch on at the ON position of the ignition (the position where your next twist cranks the engine). Getting hotter out and fans running high and hot air blowing out of AC i think there should be a recall on all 2000 and over ford vehicles and have them fix the problem. what you need to do is first check to see if they come on when you turn the AC on. Using your air conditioner and ceiling fan together can save you some Patiently use your fans strategically to make the most of both your fans and your AC – and, ultimately, your wallet. It should stop when the sensor running it decides the engine is cool enough. Yes Both Fans Should Be On When the AC is ON Customer: yes that's what I thought as well. The engine started to run hot in traffic, with poor AC performance, and I found that both radiator fans are not coming on, even with AC compressor engaged. The thermostat keeps the coolant from going to the radiator. The 2003 fan motors are single speed, and are run only at one speed. My money would be on the fan, and here's why. Well it depends upon the size of room if the room is big and fan is a bit far from AC say 2–3 meters) then it shouldn't be switched on What exactly happens ? Basically, air conditioning systems … After parking the car for 15 20 minutes with ac on its engine temperature goes to half and ac trips and radiator fans are off. A couple weeks ago, I was going up a small hill in first or second, cant remember....and I noticed the temp go up a bit Both radiator fans work when the AC is on but neither works when AC is off and overheats. Unable to locate the temp sensor located on the block, They don't even wait for the engine to start running. If you have ductless “split” AC units, there should be a removable panel on your unit that will allow you to wipe off the filter with a rag—no replacement necessary. No luck. I checked all the relays and fuses. If it reaches a certain point, the fan comes on to cool it off. Checked the relays, only found 3 of them, still not working. also they should come on when the AC is switched on. Diesels warm slowly. temperature sensor, both fans start. The reasoning given is that ceiling fans push the hot air down thus increasing the load on the air conditioners. Still not coming on. I have Toyota camry 2014 always factory maintained. When switch off the car and restart all gets fine again. This last type of fans can't be used in conjunction with AC, contrary to circulation fans. It’s a common belief that ceiling fans should not be used along with Air Conditioners. The electric fans still work in the Buick when AC is turned on, but the problem still remains on the truck fans. That will cause both fans to come on. I changed the low speed fan and high speed fan relays and get the same result. I changed the 10 amp fuse for the fans (right by the 3 relays). The fans are not increasing your time to warm the engine. Manual AC cars, push the AC button in, place a fan in slow and leave your key to ON (engine does not have to be running).Both fans should run in slow (unless it is near freezing.) In that case, it makes sense to keep the fan on while the AC is running because the AC thermostat operates by I have 33,000 miles on it, for whatever its worth. Reasons Your AC Won't Cool | AC Stopped Working Air conditioning is the process by which air is cooled and dehumidified. The fans operate at a … If I disconnect the (new!) I have read that turning the air conditioning on should also cause the fans to turn on, this does not happen (with the temp. My car has 180502 Any AC makes up a big chunk of your utility bills Air conditioners use more energy than any other household appliance. There are two 40 amp fuses the fans are supposed to come on when the temperature guage is at around half and they come on to prevent it from rising furthur, not lowering the temperature. Then they turn the fan off and rely on their air conditioner. 2013 F150 5.0 XLT 153,000 miles This past summer the AC was blowing warm. If one of the fans does not kick on with the A/C going, don't count it out yet, wait until the engine gets warm for a minute. Many people use their ceiling fans in their home until it just gets too hot. Both fans are electrically driven and have two speeds. Absolutely normal. The fan setting on your thermostat controls your HVAC’s system blower. One should be on when the engine gets warm, and both should come on as soon as you turn on the A/C. Should You Run an Air Conditioner & Ceiling Fan Together?. According to SFGate, during the hot summer months, one-quarter of the utility bill is spent on AC—so much so that in the US, air conditioning alone consumes 5 percent of all electricity generated, costing American homeowners $11 billion per year. The other fan should only run when needed to … That’s a mistake. Consider circulation fans (ceiling and portable) but also ventilation fans (window and whole-house fans). AC … Ceiling fans were the high-tech household comfort appliance of the early 20th century. For more tips on using fans with air conditioning, visit Where to Put Your Fans for Maximum Effectiveness and Let Fans and Air Conditioning Work Together to Cool Your Home . i wouldnt think oil/coolant would hurt the fans because they are sealed motors. Each fan has it's own fuse and control relay. 17 people found this helpful. As soon as I turn the ignition key both radiator fan start to spin even though the car is cold and not on. Do you know what the actual temps are In most cases, you should only turn ceiling fans on when people are using the room. That depends on the car. A/C isn't cooling ok till you start driving. When I turn on the ac the compressor comes on but the fans do not. The blower helps circulate hot or cold air throughout your home until the temperature on the thermostat is reached. If not you will have to check the wires at the fans for voltage. 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