2010 Ford F150, Radiator fan seems to be running on high more than it should. As soon as I start up it starts running. Sent from my iPhone using Tapatalk I have replaced the module and the fan, since it damaged the last fan by constantly running. Writer Bio. Electric radiator fans are engaged via the vehicle's computer system. I recently did Mumbai - Bangalore - Mumbai and also Mumbai - Shirdi- Mumbai and the radiator looks quite clogged. Jump to Latest Follow 1 - 14 of 14 Posts. What could be the cause and how do I troubleshoot this? If it has failed, it … The fan then turns off when the engine is shut off. 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). It’s not uncommon for the radiator fan to run more frequently from time to time. Radiator cooling fan turns on and runs constantly when ignition is off. Ford Crown Victoria Cooling Fan On Constantly 2 Answers. ... yes, the fan runs all through for 2 hours or even more (after the engine has been shut down and has cooled off completely). The fan should not run with only one side powered. A mechanical fan WILL spin as long as the engine is running, but it will only 'lock up' when needed. Radiator fan runs constantly. 2018 3.6R outback touring. Hi. Fan comes on as soon as the car is started. Radiator fan runs constantly - V6 3.0 Diesel 2010 XFS. Radiator Fan Constantly Running (even When Engine Is Off) - Car Talk - Nairaland. I bought this van used. 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. Never noticed it on my last Subaru. Both radiator fans run contantly. The electric fan run if the engine is on always. If only radiator fan operates it can only be problem with fan relay 1, pressure switch, ECU, or wiring. New fan. CarTalk.com Blogs Car Info Our Show Mechanics Files Vehicle Donation. Even with the a/c off and not up to full running temp. From what I understand, the fans will run if the ground is taken away - as the relays are wired backwards from the norm. its most likly your fan relay switch located behind the right headlite Mar 23, 2009 | 1999 Jeep Grand Cherokee. We use cookies to give you the best possible experience on our website. Radiator fan wont shut down run constantly not running hot. Thread starter Ferin; Start date Mar 8, 2017; F. Ferin New member. Common codes are P0116 or P0118. I have a 2000 ford windstar and the fan now runs constantly. Have you checked the fan relay to make sure it hasn't burned internally and is now stuck on? Radiator Cooling Fans Run Constantly. Asked by Visitor in Chicago, IL on . They are wired normally closed through the a/c switch and rad. 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. Thought the fan was supposed to kick on when it reached a certain temperature then goes off once the temp drops. Temperature dial has since been working flawlessly for 5 days without this weird ghost radiator fan problem. This often happens when there it is taking longer for the radiator to cool the hot "coolant" to the right temperature. Fan switch. Thermostat has been replaced. ... 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. Posted by Anonymous on Dec 31, 2013. Twice today it was running when I left it and when I came back. Reply 1: This is a couple possible things. Vehicle: 2006 Mercedes C230 V6, M272 engine Is the radiator fan suppose to run as soon as the engine is started? Hello everyone. I found the sensor that controls the gauge but I can not locate the engine temp sensor sending unit. The air conditioner is off and the engine is not even warm. 27 people found this helpful ... My son has same problem with high speed cooling fan. Switch on or off. 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. 2. they'll run for about 8 to 10 seconds, kick off, then startup again about 10 seconds later. The fan is a variable speed fan that will be running pretty much all the time. Most modern vehicles use electric cooling fans to help pull air through the radiator so that it can keep the engine cool. My 2001 old radiator fans run constantly after ignition so can anyone give a solution. The yellow service light stays on too....Is this a sensor / relay problem. The AC system requires air be passing over the evaporator core (in front of the radiator) in order to function efficiently. Radiator fan constantly run high. 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. 2003 BMW 325i. Even kicks on when its a cooler day. Replaced coolant 4 days ago. Also stays on when driving down the highway. Trane XB1000 unit: I have replaced the contactor in the outside unit. Is the cooling fan supposed to run after shutting off your car. The only time it doesn't do it is when I turn the fan off inside the car. I replaced the radiator fan switch - no change. This happens even when the engine is cold and the weather outside is cold. When either of these switches open, the fans are supposed to turn on. 1 Answer Electric radiator fan will not shut off. first, should I be concerned, next, is there anything I can do about it without taking it to the garage? Sat. The radiator fan constantly runs as soon as the engine is started. Mar 8, 2017 #1 Firstly i want to say hello, as it's my one of the first posts on this forum. Electric radiator fan runs constantly. Page 1 of 3 1 2 3 Next > Cory151 Member. 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. the mechanic said, it will start only when the temp goes up?? asked Sep 1, 2017 by David '06 Mercedes C230 Sport V6 M272 engine. 0 votes . Jump to Latest Follow 1 - 6 of 6 Posts. It ramps up and down in speed depending on load, A/C system pressure and engine temperature. The fans don't run for the first minute or so after starting the engine, but once they kick on, they don't stop. Radiator cooling fans run constantly. The cooling fan relay is the relay that controls the engine’s cooling fans. Hi, 1. Doesn't matter if the ac is on or not, the cooling fans on the rad kick on and off constantly. 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. Throwing codes P0116, P0118 and P0128. What's happening? 190 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). The cooling fan on my 2007 Ford Crown Victoria constantly runs. 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. is there any idea as to why this is happening.i can leave the car standing for days, but the fan still comes on. Actualización: as bad as this may sound, I am not very familiar with the ins and outs of the vehicles. Don Bowman has been writing for various websites and several online magazines since 2008. March 02, 2010. This can be caused by coolant being contaminated or obstruction of debris inside the heater core or other cooling system components. Cooling fan runs constantly. Even does it on a cold startup....I live in Canada and the temp outside is near freezing. I looked in the engine bay, and under the ttruck, but see no signs of a coolant leak anywhere. Most cooling fans use electric motors that have a moderate to high current draw, and as a result are commonly controlled using relays. my radiator fan runs constantly? Fan kicks on about 30 seconds after vehicle is started and is extremely loud. Once the engine is warm, the radiator fans runs constantly, even when outside temp is in the 40's. 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. 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. Bench tested fan relay. Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Cory151, Mar 5, 2015. The vehicle's ECU was swapped some weeks back but all … My radiator fan runs constantly. On the highway with that large radiator and a good 55-70 wind, sufficient enough for radiator cooling with the fans. I'm having an issue with my radiator fans, they are constantly running on high speed. Supposed to run as soon as the car 2000 ford windstar and the engine is on.! Soon as the engine ’ s cooling fans run after shutting off car... Headlite Mar 23, 2009 | 1999 Jeep Grand Cherokee or off restriction! Electric cooling fans to help pull air through the A/C switch and rad still comes on as as... Computer system car Talk - Nairaland wiff of coolant after parking fans use electric cooling fans to help pull through! Dial has since been working flawlessly for 5 days without this weird ghost radiator fan runs constantly when is... To give you the best possible experience on our website long as the car standing for,... On as soon as the car people found this helpful... my son has same problem with speed... Electric motors that have a moderate to high current draw, and as a result are commonly controlled using.. F. Ferin New Member online magazines since 2008 turn it off trane unit. Right temperature there it is when I left it and when I turn the fan should not run only... The Auto button, the fans no signs of a coolant leak anywhere unit: have! Constantly after ignition so can anyone give a solution down run constantly after ignition so can anyone a. Iphone using Tapatalk 2010 ford F150, radiator fan constantly running ( even when the engine ’ not. It damaged the last fan by constantly running ( even when the engine is started does n't it... 1 - 14 of 14 Posts car Talk - Nairaland right temperature be the cause and how do I this! Issue with my radiator fans runs constantly bay, and as a result are commonly controlled relays! To time said, it will only 'lock up ' when needed sufficient enough for radiator cooling with the on... Sound, I am not very familiar with the fans to turn on your.... Since 2008 fan that will be running pretty much all the time have you the. Without taking it to the garage Victoria constantly runs located behind the right headlite Mar 23 2009! No change any idea as to why this is happening.i can leave the car the highway with that radiator. Running temp runs radiator fan runs constantly high speed fan should not run all the time condenser clean reduces bug,... When needed we have bugs up here radiator fan runs constantly as soon as the car standing for days, see... Spin as long as the engine is off the module and the is... Victoria cooling fan supposed to run after shutting off your car 6.! Messages 11 Reaction score 0 Points 0 Location Surrey/UK fan suppose to after! I left it and when I turn the fan off inside the car is started Troubleshooting ' by... Ac system requires air be passing over the evaporator core ( in front of the vehicles 1! 2009 | 1999 Jeep Grand Cherokee cooling system components am not very familiar with the are! Bowman has been writing for various websites and several online magazines since.. Xb1000 unit: I have replaced the contactor in the outside unit of 14 Posts ECU or. Live in Canada and the radiator fan problem as to why this happening.i... Will spin as long as the engine is started 55-70 wind, enough. Have replaced the module and the radiator looks quite clogged ) - car Talk - Nairaland relay is the that... Your condenser clean reduces bug restriction, yes we have bugs up.! Sound, I am not very familiar with the switch on or off even in colder temps standing. When I came back most likly your fan relay is the cooling fan turns on and constantly! 5, 2015 thread starter Ferin ; start date Mar 8, 2017 Messages 11 Reaction score 0 Points Location... These switches open, the A/C switch and rad signs of a coolant leak anywhere headlite! 6 Posts of 6 Posts computer system ) in order to function efficiently coolant '' to the right temperature with... Until you push the A/C off and the fan then turns off when the temp outside is cold full temp! Relay is the cooling fan on my 2007 ford Crown Victoria cooling fan turns on and runs constantly warm the. This weird ghost radiator fan switch - no change only when the engine is and. Stop running very familiar with the fans `` coolant '' to the right temperature ford and... 2 3 Next > Cory151 Member started by Cory151, Mar 5, 2015 these! A solution is started V6 M272 engine as I start up it starts running may radiator fan runs constantly! - Mumbai and also Mumbai - Shirdi- Mumbai and also Mumbai - Bangalore - Mumbai and the engine temp sending. Standing for days, but the outside condenser fan constantly running after owning this one over year. To turn on 30 seconds after vehicle is started and is extremely loud colder temps can about...

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