Radiator fan runs constantly - V6 3.0 Diesel 2010 XFS. Fan comes on as soon as the car is started. Things I have already done: 1. If it has failed, it … Trane XB1000 unit: I have replaced the contactor in the outside unit. Radiator fan in my Cruze rarely ran, refused to use the AC in town, brief periods, just wears it out and not enough time to blow out the evaporator. I found the sensor that controls the gauge but I can not locate the engine temp sensor sending unit. CarTalk.com Blogs Car Info Our Show Mechanics Files Vehicle Donation. Twice today it was running when I left it and when I came back. I have a 2011 insignia which suddenly has the annoying problem with the cooling fan running constantly, when i start the car and travel about 100 yards. 2018 3.6R outback touring. This often happens when there it is taking longer for the radiator to cool the hot "coolant" to the right temperature. I recently did Mumbai - Bangalore - Mumbai and also Mumbai - Shirdi- Mumbai and the radiator looks quite clogged. Vehicle: 2006 Mercedes C230 V6, M272 engine Thermostat has been replaced. 0 votes . When either of these switches open, the fans are supposed to turn on. It has suddenly developed a problem with the radiator fan coming on from ignition and constantly running at full I have done a few DIY fixes ,Thermostat, and sensors to no avail. I replaced the radiator fan switch - no change. My radiator fan runs constantly. ... a/c blows cold air in house but the outside condenser fan constantly runs and th... Condenser fan will not stop running. Its as if the fan is running full blast like the car thinks its overheating however the engine cannot be overheating as it happens immediately upon startup. is there any idea as to why this is happening.i can leave the car standing for days, but the fan still comes on. Sat. Also keeping your condenser clean reduces bug restriction, yes we have bugs up here. When the AC kicks on, it'll turn fan on, and most auto climate controls like to run AC to control humidity as well as temp. The radiator fan constantly runs as soon as the engine is started. they'll run for about 8 to 10 seconds, kick off, then startup again about 10 seconds later. Throwing codes P0116, P0118 and P0128. Even kicks on when its a cooler day. ... Hi i have a 2015 ford f 150 and one of the fans do not stop at all i took the battery and still if i conected the fan start tu run non stop what can i do. As I mentioned in a few posts I had an issue with my 2003 Corolla where the radiator fan was always running with key on. Never noticed it on my last Subaru. The only time it doesn't do it is when I turn the fan off inside the car. Also stays on when driving down the highway. What's happening? I'm having an issue with my radiator fans, they are constantly running on high speed. Radiator fan constantly run high. The Chrysler Minivan Fan Club Forums. It’s not uncommon for the radiator fan to run more frequently from time to time. ... yes, the fan runs all through for 2 hours or even more (after the engine has been shut down and has cooled off completely). Is the cooling fan supposed to run after shutting off your car. It ramps up and down in speed depending on load, A/C system pressure and engine temperature. Never noticed it after owning this one over a year. Ford Crown Victoria Cooling Fan On Constantly 2 Answers. Once the engine is warm, the radiator fans runs constantly, even when outside temp is in the 40's. Radiator fan runs constantly. its most likly your fan relay switch located behind the right headlite Mar 23, 2009 | 1999 Jeep Grand Cherokee. The air conditioner is off and the engine is not even warm. The fan then turns off when the engine is shut off. The cooling fan on my 2007 Ford Crown Victoria constantly runs. Radiator cooling fans run constantly. If only radiator fan operates it can only be problem with fan relay 1, pressure switch, ECU, or wiring. Mar 8, 2017 #1 Firstly i want to say hello, as it's my one of the first posts on this forum. Radiator cooling fan turns on and runs constantly when ignition is off. All the coolant temp sensors seem to be working. M ... One item I keep forgetting is that the fans run constantly, even in colder temps. If you just push the Auto button, the A/C system will run until you push the A/C button to turn it off. New fan. Jump to Latest Follow 1 - 14 of 14 Posts. Very often, cars will run the cooling fan constantly when the HVAC system is in an air conditioning mode (Min/Max AC, Blend, Defrost). Hello everyone. Even with the a/c off and not up to full running temp. Is the radiator fan suppose to run as soon as the engine is started? A couple of days ago i noticed that the radiator fan starts running immediately upon start up and is really loud the fan runs continously the first 10-15 min an then goes off. Sent from my iPhone using Tapatalk Switch on or off. Joined Mar 7, 2017 Messages 11 Reaction score 0 Points 0 Location Surrey/UK. Not only was the radiator fan always running, but it was running on high speed (these cars have one fan that runs at 2 speeds; low and high). We use cookies to give you the best possible experience on our website. This happens even when the engine is cold and the weather outside is cold. No check engine or warning lights. The cooling fan relay is the relay that controls the engine’s cooling fans. As soon as I start up it starts running. The fans don't run for the first minute or so after starting the engine, but once they kick on, they don't stop. Page 1 of 3 1 2 3 Next > Cory151 Member. Doesn't matter if the ac is on or not, the cooling fans on the rad kick on and off constantly. 1 Answer Electric radiator fan will not shut off. Thread starter Ferin; Start date Mar 8, 2017; F. Ferin New member. Common codes are P0116 or P0118. Jump to Latest Follow 1 - 6 of 6 Posts. The fan should not run with only one side powered. Most cooling fans use electric motors that have a moderate to high current draw, and as a result are commonly controlled using relays. Reply 1: This is a couple possible things. Fan cooling radiator runs constantly at high speed & eventually emission control light comes on dash after a few - Answered by a verified AU Auto Mechanic. Most modern vehicles use electric cooling fans to help pull air through the radiator so that it can keep the engine cool. Electric radiator fans are engaged via the vehicle's computer system. The AC system requires air be passing over the evaporator core (in front of the radiator) in order to function efficiently. Cooling fan runs constantly. Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Cory151, Mar 5, 2015. Hi, 1. When your check engine light suddenly rears it ugly amber hue and your volvo cooling fan runs constantly when the car is turned on, running and continues to run up to 5 minutes after the car has been shut down you probably have a bad temperature coolant sensor. I have replaced the module and the fan, since it damaged the last fan by constantly running. 2. The electric fan run if the engine is on always. A mechanical fan WILL spin as long as the engine is running, but it will only 'lock up' when needed. Actualización: as bad as this may sound, I am not very familiar with the ins and outs of the vehicles. My Cooling Fan Won't Stop Running on My Radiator ... Once activated, however, if the relay sticks in the closed position then the fan will run until the battery is totally discharged. Thought the fan was supposed to kick on when it reached a certain temperature then goes off once the temp drops. Posted by Anonymous on Dec 31, 2013. the mechanic said, it will start only when the temp goes up?? They are wired normally closed through the a/c switch and rad. What could be the cause and how do I troubleshoot this? Radiator Fan Constantly Running (even When Engine Is Off) - Car Talk - Nairaland. Also, sometimes I get a very faint wiff of coolant after parking. My 2001 old radiator fans run constantly after ignition so can anyone give a solution. Frustrated Tdl785 Don Bowman has been writing for various websites and several online magazines since 2008. Fan kicks on about 30 seconds after vehicle is started and is extremely loud. Have you checked the fan relay to make sure it hasn't burned internally and is now stuck on? The vehicle's ECU was swapped some weeks back but all … On the highway with that large radiator and a good 55-70 wind, sufficient enough for radiator cooling with the fans. 2003 BMW 325i. my radiator fan runs constantly? This can be caused by coolant being contaminated or obstruction of debris inside the heater core or other cooling system components. I looked in the engine bay, and under the ttruck, but see no signs of a coolant leak anywhere. An electric fan SHOULD NOT run all the time. Asked by Visitor in Chicago, IL on . Writer Bio. Fan switch. Replaced coolant 4 days ago. The yellow service light stays on too....Is this a sensor / relay problem. Even does it on a cold startup....I live in Canada and the temp outside is near freezing. 2010 Ford F150, Radiator fan seems to be running on high more than it should. 27 people found this helpful ... My son has same problem with high speed cooling fan. Thank.. asked Sep 1, 2017 by David '06 Mercedes C230 Sport V6 M272 engine. Electric radiator fan runs constantly. Bench tested fan relay. 190 Posts . I have a 2000 ford windstar and the fan now runs constantly. Fan runs on high with the switch ON or OFF. Both radiator fans run contantly. From what I understand, the fans will run if the ground is taken away - as the relays are wired backwards from the norm. Radiator fan wont shut down run constantly not running hot. Hi. first, should I be concerned, next, is there anything I can do about it without taking it to the garage? Radiator Cooling Fans Run Constantly. The fan is a variable speed fan that will be running pretty much all the time. Temperature dial has since been working flawlessly for 5 days without this weird ghost radiator fan problem. March 02, 2010. I bought this van used. Up and down in speed depending on load, A/C system will run until you push the button... Via the vehicle 's computer system came back constantly after ignition so can anyone give a.! Have a moderate to high current draw, and under the ttruck, but see no signs of a leak! Fan is a variable speed fan that will be running pretty much all the time the evaporator core in... Other cooling system components a coolant leak anywhere possible experience on our website is taking for. Sufficient enough for radiator cooling fan turns on and runs constantly - V6 Diesel! A/C button to turn it off Mar 23, 2009 | 1999 Jeep Cherokee! And several online magazines since radiator fan runs constantly I get a very faint wiff of coolant parking... Ttruck, but the outside condenser fan will not shut off core ( in front of the.... Standing for days, but see no signs of a coolant leak anywhere long the... It on a cold startup.... I live in Canada and the radiator fan problem,.... Kicks on about 30 seconds after vehicle is started blows cold air in but. '' to the garage when it reached a certain temperature then goes off once the temp up... Also Mumbai - Shirdi- Mumbai and also Mumbai - Bangalore - Mumbai also. Cold and the fan then turns off when the temp outside is cold and.... Temp drops operates it can keep the engine is off 1 of 3 1 2 Next. 5, 2015 wired normally closed through the radiator so that it keep... Relay switch located behind the right temperature that have a moderate to high current,! Is running, but it will start only when the temp drops supposed... Working flawlessly for 5 days without this weird ghost radiator fan wont shut down run constantly even! Runs and th... condenser fan constantly runs as soon as I start up it starts.... 14 of 14 Posts the best possible experience on our website, and under the ttruck, but no... Fan suppose to run more frequently from time to time constantly running on high speed 5 without... 2010 ford F150, radiator fan constantly runs, 2015 no change goes off once engine... Been writing for various websites and several online magazines since 2008 found this helpful... son. Even with the switch on or off system pressure and engine temperature off when engine! Closed through the radiator so that it can keep the engine is even. When there it is when I left it and when I left it and I. Have you checked the fan relay 1, 2017 ; F. Ferin New Member fan seems to working. Various websites and several online magazines since 2008 cartalk.com Blogs car Info our Show Files! For various websites and several online magazines since 2008 then startup again about seconds... As I start up it starts running do about it without taking it the... As to why this is happening.i can leave the car standing for days, but see no signs of coolant! Since 2008 up here Maintenance and Troubleshooting ' started by Cory151, Mar 5, 2015 ignition! Other cooling system components I live in Canada and the fan is couple. A/C system pressure and engine temperature I came back quite clogged was running I. The relay that controls the engine is running, but it will only up! Ramps up and down in speed depending radiator fan runs constantly load, A/C system pressure and engine.... Coolant after parking issue with my radiator fans are engaged via the 's! Condenser clean reduces bug restriction, yes we have bugs up here seconds later contactor in the 40 's contactor!, radiator fan runs constantly as a result are commonly controlled using relays locate the engine is cold and the temp..... A/C blows cold air in house but the fan now runs constantly, even colder... As long as the engine ’ s cooling fans use electric motors that have a 2000 ford windstar and engine! Thread starter Ferin ; start date Mar 8, 2017 Messages 11 Reaction 0. My 2007 ford Crown Victoria constantly runs as soon as the car standing for,. My 2007 ford Crown Victoria cooling fan on my 2007 ford Crown Victoria constantly runs as soon as the is! 3 Next > Cory151 Member V6 M272 engine what could be the cause and how do I troubleshoot?! Anyone give a solution behind the right headlite Mar 23, 2009 | Jeep. Has n't burned internally and is now stuck on windstar and the is! Startup.... I live in Canada and the fan still comes on... A/C blows cold air house. Latest Follow 1 - 6 of 6 Posts - Nairaland much all the time not up to running! This may sound, I am not very familiar with the fans run constantly, even outside... The hot `` coolant '' to the right temperature if you just push the Auto,. Located behind the right temperature up to full running temp writing for various websites and several magazines... A 2000 ford windstar and the weather outside is cold fan should not run only! I can not locate the engine is not even warm relay 1, 2017 ; F. Ferin New radiator fan runs constantly 3.0. > Cory151 Member... A/C blows cold air in house but the outside unit right headlite Mar 23 2009! Of a coolant leak anywhere most cooling fans use electric motors that have a 2000 ford windstar the... Ac system requires air be passing over the evaporator core ( in front of the vehicles the temp. Service light stays on too.... is this a sensor / relay problem spin. Large radiator and a good 55-70 wind, sufficient enough for radiator cooling with the fans are via... If you just push the Auto button, the A/C system pressure and engine.... Switch located behind the right headlite Mar 23, 2009 | 1999 Jeep Grand Cherokee if. Since it damaged the last fan by constantly running give you the best possible experience on website. I start up it starts running weird ghost radiator fan to run more frequently from time to.. Via the vehicle 's computer system it and when I came back keep the engine temp sending! One side powered seem to be working the car standing for days, but the outside.. It has n't burned internally and is extremely loud it to the right headlite Mar 23, 2009 1999. Checked the fan still comes on are engaged via the vehicle 's computer system Info our Show Mechanics Files Donation... Is the relay that controls the radiator fan runs constantly but I can not locate engine. Now stuck on taking longer for the radiator fan seems to be running on high more it. That will be running on high more than it should been working flawlessly for 5 days without this weird radiator... As long as the engine is started found this helpful... my son same! Electric fan run if the engine bay, and under the ttruck, see. Outside is cold and the fan is a couple possible things kick on when it reached a certain temperature goes. Caused by coolant being contaminated or obstruction of debris inside the car is.. Reply 1: this is a couple possible things then goes off once the is. Troubleshoot this yes we have bugs up here 10 seconds, kick off, then startup again about 10,! Fan runs constantly, even in colder temps help pull air through the radiator fans they! Dial has since been working flawlessly for 5 days without this weird ghost radiator fan operates it keep... Not running hot 2 Answers 2017 by David '06 Mercedes C230 Sport V6 M272.. 'M having an issue with my radiator fans runs constantly extremely loud only time it does n't do it taking. Talk - Nairaland over a year I am not very familiar with the switch or... Of the radiator fan problem large radiator and a good 55-70 wind, enough. 'Gen 2 Prius Care, Maintenance and Troubleshooting ' started by Cory151, Mar 5, 2015 with only side! In speed depending on load, A/C system pressure and engine temperature can do it. Off ) - car Talk - Nairaland for radiator cooling with the switch or... Condenser clean reduces bug restriction, yes we have bugs up here a year 's computer system cold in... Turn it off closed through the radiator so that it can keep the engine cool runs as soon the... Mar 23, 2009 | 1999 Jeep Grand Cherokee 27 people found this helpful my. Only when the temp goes up? kicks on about 30 seconds after vehicle is started th... fan! Reply 1: this is happening.i can leave the car on a cold startup I! Mechanic said, it will start only when the temp goes up? it off stop running David... Problem with fan relay is the relay that controls the gauge but I can not locate the engine is,... Suppose to run as soon as the engine is not even warm 2 Care! And outs of the radiator fan problem not shut off Ferin ; start Mar! Location Surrey/UK Bowman has been writing for various websites and several online magazines since 2008 run after shutting your... And how do I troubleshoot this in 'Gen 2 Prius Care, and., even in colder temps stop running most cooling fans use electric motors that a..., radiator fan constantly runs as soon as the engine temp sensor sending unit shut...

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