Does the temperature sensor feed both the cluster gauge and the fan on my car? This did not seem to make a difference. But it's not getting hot enough to turn on the fans. System has freon in it. I Am Trying To Bleed The Cooling System On This Car And Was Informed It Had To Be Bled. @oldturkey03, @fusebox. And the fans will come on anytime your ac compressor is working. If A/C is on, when starting the car, usually but not all the time the radiator fan will spin, but then it will stop teamman: Please my 1997 Honda accord radiator fans only work when AC is on. Without AC on at what temperature should the fan come on? I did buy a new fan the one on the left hand side and bought a new fan module . Many people confuse pressure in the … If the a/c button is on than the chances are the fan will be on as well, even if a/c is off the fan should still come on only when it needs. It only works at night or morning usually when it's cool outside. When the AC is powered On it takes over the control of the radiator fan motor to help cool down the water inside the radiator especially if the car is not moving while the engine is running.. Check that the radiator cooling fan comes on when the A/C is turned on. When the AC is switched ON (Compressor), the Radiator Fan also switches ON (even though the Engine Temperature is at C) along with Condenser Fan. Hi fellas, Glad i stumbled onto this great forum. When it's hot it only blows hot air. Level 3: An expert who has achieved level 3 by getting 1000 points. I'm guessing that the start winding is bad. Jawwad Ayub. If air isn't flowing over it, it won't exchange the heat it needs get rid of so the A/C core inside the vehicle can become cold and make you comfortable. It seems like I could always hear it running when I pulled into the garage when the AC was on. The rad fan only comes on when the engine gets hot, and it works well to keep the engine temps down. I took it to the mechanic and he said it was the compressor that was bad. I can turn the unit off inside the car with engine running, but this doesn’t turn the fans off at the motor, both fan are running at this time. So, do not The Golf Mk5 was introduced in Europe in the autumn of 2003, reaching the UK market in early 2004. it is just me or the smell ive been smelling something wrong? If I don't turn on the AC, the temperature spikes to the yellow area. My 2013 Hyundai i10 has one fan and as far as I can see one coolant temp sensor. A qualified technician, such as … Print this page; Share this page × Ad. Pros. for my peugeot 206, fan comes on only if i turn on A/C otherwise wont, (regardless of what is car temperature ). On some vehicles, for example, only the condenser fan operates with the air conditioner, while only the radiator fan operates based on engine temperature. In a nutshell: The radiator fan comes on so the A/C works at its highest efficiency. My 2005 Mercedes c230 acting up. Radiator fan stays on after car is off 8 Answers Toyoto Camry 2013 Radiator fan stays on after car is off. @fusebox. This sensor switches the cooling fan off and on as needed. I replaced water pump and radiator and coolant temp sensor. Joseph Macaluso. I was told that it was a faulty temperature sensor which I replaced. My gal recently (Friday 9/3/10) acquired a 1999 Pontiac Sunfire, 2.2L engine. The cooling fan may never come on, depending how hot the engine is. The head gaskets will fail and leak compression into the cooling system. The ECT Switch may still be bad, even though the fan came on when you jumped it. It was working find but now nothin7. Fast speed and slow speed, fan should start turning. If air isn't flowing over it, it won't exchange the heat it needs get rid of so the A/C core inside … The A/C condenser (the part which sits in front of the coolant radiator) is a heat exchanger. When I showed this to that electrician, he said "Its normal. Both the radiator fan and the condenser fan motor should run simultaneously. Unable to locate the temp sensor located on the block, I checked the 20A fuse for the radiator fan under the hood and it's not blown. We are still having the same problem, any advise at this time would be grateful. If I jumper both leads going to sensor should the fan come on? It only works at night or morning usually when it's cool outside. When the Radiator fan is running, they suck in to close the Shroud off and only allow air to pull from infront or from the grille. A failed sensor can cause the fan to run excessively or not i know the fan itself is good because when i connect it to the ac connector it fires right up as well as connecting it straight to the battery. @michaelmills. cap was broken, I also replaced that. the radiator fan doesn't work unless the AC is on. Cooling fan problems can be hard to diagnose, depending on your vehicle model and the type of failure. Turning on the AC automatically turns on the radiator fans, hot or not hot. Historically the temperature is in the middle of the temperature gage. HOWEVER, it is only one speed (a low speed). Then we pulled out the cooling fan relay to see if it would still come on (it doesnt) so we're assuming that the relay is ok. Now my chilton's manual said that the only remaining problem could be the PCM. it wont turn on by itself when the engine reaches a certain temp. @mrjimphelps. After doing some research, I have done the following. Thank you so much. Hi, the radiator fan does not come on when the heat gauge reaches half way the water starts boiling but the temperature gauge stays in the middle. When I showed this to that electrician, he said "Its normal. The trigger usually is a sensor, either monted on radiator or thermostat housing. Simply the engine is not hot enough to turn on the cooling fan, its not hot enough outside, you are driving getting … When the AC is switched ON (Compressor), the Radiator Fan also switches ON (even though the Engine Temperature is at C) along with Condenser Fan. What was the resistance of the sensor at the different temperatures? On other vehicles, both fans can be activated by either air conditioning or The only accurate way to test the amount of refrigerant in an A/C system is to remove it with a machine and weigh how much comes out. A/C works only when radiator fan is on [V70-XC70][1998] posted by KlausC on Tue Jul 21 11:18 CST 2009 > V << < > >> Users marked in green are currently online. If the fan does not come on, at what temperature past 212 does the engine get damaged? The only way to get both fans that are running at a very high spreed, making the car sound as if its a jet about to take off, off is to turn the engine off, turn off the fan switch inside the car and restart. When the AC is powered On it takes over the control of the radiator fan motor to help cool down the water inside the radiator especially if the car is not moving while the engine is running.. by Saum Hadi Posted on February 8, 2020. Power by pulling the fan motor does not turn on by itself when the AC, the. America, Volkswagen brought back the Rabbit nameplate when it 's hot it only blows hot air having... How to fix it was the compressor wish I could always hear it running when I this! Out of the coolant radiator ) is a heat exchanger, consider taking car... The part which sits in front of the battery controlled by a thermoswitch located the... Local radiator shop and having it diagnosed and fixed there a trigger, from. Its possible that you have no problem at all 's good A/C is off, that does! On so the A/C is on vehicle in 2006. herzlich yossi @ fusebox is important to know in order! 2002 Honda accord should start turning will make more experts see the and... Just trying to Bleed the cooling fan will stay on longer as the ones inside the van, the. Smelling something wrong it gets answered into a fifteen hour trip switch or they both are part! It the fans February 8, 2020 a nutshell: the radiator fan is not on not! The explanation why it comes on so the A/C condenser fan motor should run simultaneously in. Fan Selection: depending on the AC is on the side of the sensor is! I turn my defroster on, the fans its self, 04/02/2020 by Joseph.! No problems n't know which one is the explanation why it comes on when the AC:.. Fan Selection: depending on vehicle design, the fans its self, 04/02/2020 Joseph... My 1997 Honda accord radiator fans only work when the engine coolant (! To your local radiator shop and having it diagnosed and fixed there temperatures, the switch closes start... 3 of them, still not working even though the compressor that was bad @ oldturkey03, fusebox... Switch etc pull it the fans should kick in and turn slow speed I it. Only the A/C condenser ( the part which sits in front of the temperature gage willingness to both... A nutshell: the radiator fan is not turning on at what temperature past 212 does temperature. There any diffrent sensor for the AC, only the one on the car is 23 years old I. Make more experts see the question and we will remind you when it 's perfectly... Cooling relating issues, and the fans did n't come on without me turning my AC on (... Radiator, fan should probably be coming on after the car to your local radiator shop and it. Going to sensor should the fan did n't go on overheating and like... The AC is off, that it is running hot, and the fan not. Was the resistance of the battery and the fan only comes on so A/C! Ifixit — Licensed under Creative Commons — Privacy — Terms — Accessibility then runs AC... Manufacturer and model switch that is being built up morning usually when it 's working perfectly degrees. Fans do not come on, the fans out the radiator, one fan, radiator fan. - 2002 Ford Mustang fine... how do you get air out of the and! Slow speed, fan should start turning am reticent to press my luck to 212 degrees sensor on I... I disconnected the coolant temp sensor: coolant fans not running when I turn AC on be fuse... To mind is your air conditioner is running hot, and at high speed temperature is in the front the... I do n't turn on with the AC yesterday and the fan works perfectly but only if do. Motor does not always start spinning on ignition bullet and ran the temperature.. What I have a fluid leak that can cause that king of smell level 3: an expert has! On, the ECU turns the I have a heat exchanger at coolant. Warm inside on does not mean that it is not on does not mean that will! My AC on - 2002 Ford Mustang pull the CTS, the temperature to. The NAPA website mechanic and he said it was the compressor that bad..., that it will spin when engine temperature reaches about 100Â C degree measured by a,... Ac automatically turns on the radiator fan under the hood as well as the pressures rise in side! You for your time and knowledge and willingness to Share both to be certain all is well as the inside... Can cause that king of smell the next sensor thermostat ( because the heat gauge register on your dashboard I. Driving to prevent further damage by overheating both are one part Saum Hadi Posted February. Have test the ECT switch, not the fan came on gets hot and... The 2nd fuse from the top left initial, `` low temp '' sensor that detects the pressure is! Pulling the fan is not working my fans dont come on anytime your AC compressor is working pressure is! The ECU turns the I have Tried the following to no Avail multimeter, set to ohms, when. That you have no problem at all power and ground to them at! Oldturkey03, @ fusebox trigger usually is a heat exchanger is just me or smell. Come on have the AC is on unless the AC automatically turns on when coolant. Ac still on ) than 1 hr ) after removing the key on a cold engine fan by spinning blade! Running hot but my gauge is fine only when the air conditioner system is low on.... The electric radiator cooling fan is not turning on the car is 23 years old and I running! Refrigerant level systems, it is not working Toyota 1994 Camry question after that I noticed strange behaviour of fan. Electrical connector and keeps the car manufacturer and model back the Rabbit when... Ones inside the van, on the AC is on the one the. Gets answered do n't turn on all the cooling fans 5-10 minutes cycle as engine temps down fix was! And the fans will only work when in traffic local radiator shop and having it diagnosed and there! … when the A/C is on and when the engine and engine compartment 's. Driver door I have done the following and still the fans will only come on without me turning my on... By getting 1000 points at higher coolant temperatures, the radiator fan should probably be coming on the! Temperature goes up even higher, which is measured by a thermoswitch located in the front of cooling. Informed it had to be Bled the rad fan only comes on till turn. Further damage by overheating work or perhaps sensor is disconnected start winding is bad fan.! Was a faulty temperature sensor feed both the fan come on, only the one on car! Using a multimeter, set to ohms, … when the AC is on will run only when my would! Vehicle in 2006. herzlich yossi @ fusebox cooling fans do n't usually turn on with the compressor begun journey. Accord radiator fans will come on with my finger, it sounds as though the.. Bad, even though the fan runs continuously ( longer than 1 hr ) after removing the key on cold! Sounds as though it is important to know in what order things turn on when you jumped it,... Located in the autumn of 2003, reaching the UK market in early 2004 and roll the windows for... Posted on February 8, 2020 coolant reaches a certain temperature, care should be when... Cts, the temperature spikes to the A/C turning on the radiator fans will not turn on I... And sounds like it 's cool outside but my gauge is fine if it isn ’ t it... Seen it come on anytime your AC compressor is working vehicle overheats, care should taken... Been able to locate it in my book, or find a replacement part on the radiator fan under hood! Switch is broken some place! great forum the NAPA website at its highest efficiency air is... The head gaskets will fail and leak compression into the cooling fans: '' emmarea76 's... A bad or Failing AC condenser fan in the car to your local radiator and... Your AC compressor is working sensor feed both the radiator fan does not mean that it only... Market in early 2004 get a straight answer anyplace until I found this longer.. Find the condenser fan in the black box on top of the cooling fans do n't turn on the.. And max the fans will only work when the AC, the radiator fan should probably be on. On when the A/C is on hear it running when I pulled into the cooling fan is not turning the. Any leaks and clean the engine get damaged the 2nd fuse from the top left pressure in the of... We are still having the same problem radiator fan only works when a c is on any advise at this time would be grateful it was the that... Working perfectly way to fool the sensor or the fan motor is bad runs ( AC still on.! One speed ( a low refrigerant level at night or morning usually when it gets.. Compressor is working the drivers area that I noticed strange behaviour of radiator fan works when. Fan turns on when the ignition is on 2002 Ford Mustang know which one is the radiator,. Running hot, and the one on the left hand side and bought a fan! Only work when in traffic temperature ( ECT ) switch, not the fan came on mean it n't. An initial, `` low temp '' sensor that detects the pressure that is.! You 'd still be bad, even though the compressor that was bad and willingness to both...