March 02, 2010. 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. Radiator fan runs constantly. Trane XB1000 unit: I have replaced the contactor in the outside unit. My 2001 old radiator fans run constantly after ignition so can anyone give a solution. Common codes are P0116 or P0118. Things I have already done: 1. Radiator Cooling Fans Run Constantly. Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Cory151, Mar 5, 2015. I found the sensor that controls the gauge but I can not locate the engine temp sensor sending unit. 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. A mechanical fan WILL spin as long as the engine is running, but it will only 'lock up' when needed. Is the cooling fan supposed to run after shutting off your car. first, should I be concerned, next, is there anything I can do about it without taking it to the garage? Actualización: as bad as this may sound, I am not very familiar with the ins and outs of the vehicles. I bought this van used. Frustrated Tdl785 The fan should not run with only one side powered. My radiator fan runs constantly. Also keeping your condenser clean reduces bug restriction, yes we have bugs up here. Radiator cooling fans run constantly. asked Sep 1, 2017 by David '06 Mercedes C230 Sport V6 M272 engine. Most modern vehicles use electric cooling fans to help pull air through the radiator so that it can keep the engine cool. 2003 BMW 325i. Replaced coolant 4 days ago. The air conditioner is off and the engine is not even warm. Also stays on when driving down the highway. Hi, 1. An electric fan SHOULD NOT run all the time. is there any idea as to why this is happening.i can leave the car standing for days, but the fan still comes on. 2010 Ford F150, Radiator fan seems to be running on high more than it should. If it has failed, it … 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. Vehicle: 2006 Mercedes C230 V6, M272 engine Temperature dial has since been working flawlessly for 5 days without this weird ghost radiator fan problem. Most cooling fans use electric motors that have a moderate to high current draw, and as a result are commonly controlled using relays. Don Bowman has been writing for various websites and several online magazines since 2008. Even kicks on when its a cooler day. Never noticed it after owning this one over a year. Thread starter Ferin; Start date Mar 8, 2017; F. Ferin New member. ... 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. Sent from my iPhone using Tapatalk Switch on or off. I have replaced the module and the fan, since it damaged the last fan by constantly running. Sat. its most likly your fan relay switch located behind the right headlite Mar 23, 2009 | 1999 Jeep Grand Cherokee. The fan is a variable speed fan that will be running pretty much all the time. Radiator Fan Constantly Running (even When Engine Is Off) - Car Talk - Nairaland. Even with the a/c off and not up to full running temp. 27 people found this helpful ... My son has same problem with high speed cooling fan. Jump to Latest Follow 1 - 6 of 6 Posts. Twice today it was running when I left it and when I came back. my radiator fan runs constantly? Doesn't matter if the ac is on or not, the cooling fans on the rad kick on and off constantly. I replaced the radiator fan switch - no change. 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. The cooling fan on my 2007 Ford Crown Victoria constantly runs. Reply 1: This is a couple possible things. 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. On the highway with that large radiator and a good 55-70 wind, sufficient enough for radiator cooling with the fans. We use cookies to give you the best possible experience on our website. If only radiator fan operates it can only be problem with fan relay 1, pressure switch, ECU, or wiring. No check engine or warning lights. Have you checked the fan relay to make sure it hasn't burned internally and is now stuck on? 1 Answer Electric radiator fan will not shut off. The vehicle's ECU was swapped some weeks back but all … Thermostat has been replaced. Posted by Anonymous on Dec 31, 2013. M ... One item I keep forgetting is that the fans run constantly, even in colder temps. The cooling fan relay is the relay that controls the engine’s cooling fans. Very often, cars will run the cooling fan constantly when the HVAC system is in an air conditioning mode (Min/Max AC, Blend, Defrost). Thank.. Writer Bio. 0 votes . 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. As soon as I start up it starts running. CarTalk.com Blogs Car Info Our Show Mechanics Files Vehicle Donation. The AC system requires air be passing over the evaporator core (in front of the radiator) in order to function efficiently. Throwing codes P0116, P0118 and P0128. Never noticed it on my last Subaru. What could be the cause and how do I troubleshoot this? Cooling fan runs constantly. Both radiator fans run contantly. The electric fan run if the engine is on always. This happens even when the engine is cold and the weather outside is cold. Electric radiator fan runs constantly. Fan runs on high with the switch ON or OFF. The Chrysler Minivan Fan Club Forums. It ramps up and down in speed depending on load, A/C system pressure and engine temperature. I'm having an issue with my radiator fans, they are constantly running on high speed. Page 1 of 3 1 2 3 Next > Cory151 Member. Radiator fan constantly run high. Radiator fan runs constantly - V6 3.0 Diesel 2010 XFS. 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. Joined Mar 7, 2017 Messages 11 Reaction score 0 Points 0 Location Surrey/UK. Radiator fan wont shut down run constantly not running hot. If you just push the Auto button, the A/C system will run until you push the A/C button to turn it off. The only time it doesn't do it is when I turn the fan off inside the car. Hello everyone. They are wired normally closed through the a/c switch and rad. Hi. ... a/c blows cold air in house but the outside condenser fan constantly runs and th... Condenser fan will not stop running. 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). The radiator fan constantly runs as soon as the engine is started. Fan constantly runs and th... condenser fan constantly runs as soon as the car is started the... Electric motors that have a 2000 ford windstar and the radiator fan suppose to run frequently! 2010 XFS item I keep forgetting is that the fans run constantly not hot! Radiator so that it can keep the engine is started constantly, even in colder temps fan suppose run! Only 'lock up ' when needed to give you the best possible experience on website. 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