Bmw radiator fan keeps running. My cruiser is an Audi A6 Avant S Line Black Edition with .

Bmw radiator fan keeps running . Fan continues to run hours after engine turned off. 3) Any time the vehicle is regenerating the DPF the cooling fan runs and the vehicle uses fuel to regenerate the DPF. 150. Only approx 5-10 mins after switching off, could the engine be restarted – again with the fan running all the time. Running the cooling fan would just cool the water in the radiator and little else without a pump. 2002 bmw 530i cooling starts running up to high speed at start. To solve the starting problem I added ethanol-free gasoline; it solved that problem, and the fan no longer came on. Join Date: Apr 2011. 2006 BMW 325i [9. Even before the car started. My radiator fan always kicks in if the coolant and oil temp reaches above 100C BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > Radiator Fan Constantly Running High Google Search Search Forums Once, turning the engine off regardless of how hot it is, the fan will run for an additional 10-15mins. Next do this for me,,,start the car (COLD) and remove the overflow cap or radiator cap and see if you have pressure coming out. Battery voltage 10. Hi Im a new member. Oil temperature about 95C. F40Model Year: 2019 + Previous Generations (F15) and BMW X6 (F16) Forum > BMW X5M (F85) and X6M (F86) Forum: Fans running loudly after car is shut off? Please help Post Reply. Here are a few reasons why your radiator fan might keep running even when the engine is turned off: Car Overheating. The most common reason for a radiator fan to keep Fans running loudly after car is shut off? Please help. wp What may have happened is that at 105C the tstat began to open and now the entire cooling loop including the radiator started flowing. how to fix my t v how to turn it on 2004 run about In this video I explain why your radiator cooling fan keeps running and won't turn off after shutting off the engine. The radiator fan may keep running when the car is off due to a faulty fan relay or a malfunctioning engine temperature sensor. I think something is up with my fan/thermo - seems to come on If the design of the motor provides for two coolant temperature sensors, then if the “minus” of the first sensor is broken, the fan will run when the ignition is on. Whereas, when coolant temp is only 45degC extra fan running after engine off isn’t normal. So if your Radiator Fan is operating at High Speed when engine is cold, I would suggest the following: 1) Turn the IHKA (A/C) Control Panel OFF; 2) Monitor your E-Fan (Radiator Fan) operation AND ROTS/ECTS signals as received by DME (Parameters or Live Data); 3) If proper operation, turn on A/C with "Snowflake" LED lit (Compressor Pumping); Last weekend my radiator fan started coming on (very load and fast rpm) each time I start my car (within a few seconds of startup). The strange thing is that the car is completely off and hours later the fan might kick in. i’ve read from somewhere that the DME would only send a signal to the fan to run if the CTS reads > 85C. It had not been a problem for past 8 months. Good news the car isnt overheating. So, i have 528i, 2012/03, F10, N20, 185,000 KM, VIN K930310. BMW M3 1998. Yesterday I noticed my cars cooling fan was running at full speed on the highway and even in stop and go traffic. In order to dissipate heat, the radiator fan draws air through the radiator. 2005 BMW 330i. (He is a BMW/MB certified tech but does the Aston Martins, Porsches, Maseratis and the few Ferraris Fan Keeps Running. At this point I think i am going to leave things be and see how she goes. For the record aftermarket parts like this cause all sorts of electrical issues with BMW vehicles as they are poorly manufactured Look at the upper right side of the radiator and you would see a box-like connector set that has wires leading into the electric fan. Fan unhooked, battery charged but start button clicks. Why run the fan when you're at the target temperature. with other electrical problems like the ABS computer is bad, etc. F40Model Year: 2019 + Previous Generations BMW 3-Series (E90 E92) It keeps pulsing on and off as shown in the video. This helps prolong turbo bearing life. is a de-badged BMW OEM fan e90 325i Fan Runs High Continuously. I am a dog walker so my journeys are all very short/ stop/start & I live in London, so every journey is slow,tedious & stop/start The fan on the engine has started to run for quite a long time after I stop. The radiator and condenser are BRAND NEW. Location: Hot Springs, AR. When its running hot look/feel the lower hose. WHY RADIATOR FAN STAYS ON BMW E60 E61 525i 528i 530i 535i 540i 550i 520i 523i 520d 525d 530d 535dIf you have BMW E60 E61 5 series and the radiator fan stays 2000 BMW 540i w/135k miles. Lastly, your radiator could be plugged If the top hose is blowing off due to excessive pressure. Just a thought: the radiator fan will run when the engine if off when the coolant temperature is above a certain level. I have replaced the water pump, thermostat and all radiator hoses (un related). iTrader: Garage List. This issue doesn't happen if engine is warm. The negative terminal (brown wire) tests out for continuity to ground. If you have pressure, your HG is blown. BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) > Technical / Specific Topics > 135i Turbo Engine (N54 / N55), Exhaust and Drivetrain Modifications: Radiator fan at full speed + power loss (no overheating) If your Volkswagen fan keeps running continuously, it indicates an issue with your vehicle’s system. it stays like this for a while. Home; About Us. i noticed that when i start the car up and drive about a 1/4 mile down the road the radiator fan will run high speed for like 5 seconds and then wine down and run regular for a few seconds, then wined back up to high speed, then low. The length of time cycling on and off seems to correlate to the temperature. I have a brand new Tiguan. Should the radiator fan run all time. This time the fan didn't keep running. I know the fan works because it is usually on high speed turbo when the AC is on. It is common for the fan to run right after you turn off the engine when the coolant is warm, but after the car cools down, the fan should never come on. Even though it’s not really 3. I noticed a slight discoloration on the housing. Judging by the sound it makes, I am suspecting the engine fan runs at 100% for a few seconds, stops and then I agree, this type of engine/colling tech has been around for some time. 5 diesel Berlingo Enterprise van 2012 plate 2 weeks ago. Returned to work, although this time across town so never got above 30. Could be the coolant temperature sensor or wiring associated with it. Radiator fan screaming is a sign of water pump failure. The radiator fan is a crucial component of your vehicle’s cooling system. Buy New Coolant/Fan Sensor Here:http://amzn. Any how, it was a fun DIY here is the DIY: Maintenance Shop - Radiator Cooling Fan Constantly Running - After more than 30 minutes with the engine & ignition off, the fan was still running . Most of the time the fan kicks on Hi I have a 2001 330i with about 85k miles. 6 Common Reasons Your Chevy Silverado Fan Keeps On Running. Come join the discussion about Bimmerfest events, production Running the radiator fan constantly can have both positive and negative effects on engine performance and overall efficiency. Steve. A forum community dedicated to BMW owners and enthusiasts. Large RED/BLUE = 12v 2. any thoughts? Appreciate 0 Tweet. it only has like 38k miles on it. F40Model Year: and the fan came on full speed constantly. I agree the issue could be with i noticed that when i start the car up and drive about a 1/4 mile down the road the radiator fan will run high speed for like 5 seconds and then wine down and run regular for a Radiator fan never went into high speed and throttle response seemed normal the entire drive. The AC is OFF. Save Share Reply Quote Like. Jun 19, 2015 Its the radiator fan, as soon as one turns on the ignition the fan starts up automatically and never stops unless you switch of the ignition. After recharging the battery and drive the car, turn off the key and engine did not stop the radiator fan from stopping ! It is a 2022 Hyundai Tucson SUV (gasoline engine), 10 months old, with about 12,000km. Idling with no loads, there's a very good chance that simply circulating the coolant through the entire loop would be enough to shed the required amount of If you are wondering why the fan still running when car is off, let's read this article, which will help you address possible causes and fixing approaches! or BMW. 0 TSI ( NOT DIESEL) Good morning fanatics My radiator fan stays on always since Monday evening. Hey guys, I have a 1998 e36 328is, and for some reason the fan just in front of the engine (If you're sitting in the drivers seat), is always running. F40Model Year: 2019 BMW X5 M50D. 27 posts · Joined 2012 Add to quote; Only show this user #1 · Nov 20, 2012. The radiator fan turning on and off constantly can be caused by various factors such as a failed radiator fan, overheating issues, poor fan maintenance, or the wrong fan type. 8l. When I start the car the cooling fan kicks in full speed few second after, and only turn off when I shut off the engine. Suddenly, with the warnings, the car would shut itself down. Pulled the car in the garage today after being out and the fans were running. BMW Models. FIRST bad sign. Our professionals are here to help make sure you find the answers you need to your questions and Radiator fan constantly running? Tags coolant e60 radiator. Hi guys, I had this problem with my X5 for 2nd week and it's only getting worst need a good. 34,550 Satisfied Customers. 263. BMW Expert. If fuse 16 stays hot, the ignition switch is bad. Usually answered in minutes! Expand. 16] Mine does it all the time. When stopped at a red light, I could also hear the fan vary a lot in speed, which was weird. History: Problem occurred a few months back and the mechanic replaced the high pressure A/C sensor. The coolant is responsible for absorbing the heat generated by the engine and transferring it Customer: I have A BMW X5. iTrader: Mine does that sometimes, when it does, the front grills are open and you can see the huge radiator, it's probably cooling car down. I pulled #104 relay to inspect / test and the fan immediately stopped . Bimmerforums is the preferred online BMW Forum and community for BMW owners. Now, let’s delve into solutions for a persistently Why Does My Radiator Fan Keep Running. 1. Antonio Discussion starter. I ran the bleed procedure several times to test the water pump and it has yet to activate, hence I am replacing the pump. Billy. The signal wire checks out for continuity at This occurrence happened twice to me tonight. 8 volts. The car was fine yesterday. 03-01-2008, 01:04 SYMPTOMS- radiator fan comes on at high speeds on and off Circumstances 1. this is bad. The control board inside the motor can fail, usually the fan stops working all together. . F40Model Year: 2019 + Previous Generations; F20 I know that fans can stay on on VWs and Other makes but I've never had this onn a BMW and would not expect it on any car at these temperatures _____ Need to change name to FivethirtyDee . Will get the car checked out at the next service. I did notice the temp jump from 197 to 188 and then back up to 197 within just a There have been a number of reported cases where the fan speed control electronics have failed in such a way that the Fan ALWAYS ran at full speed, simply OFF/ON, Check the back of your radiator, right behind the fan. Once i stop at a red light or in traffic the the fan stops working, ac blows Understanding the Fan’s Role. BMW Cars & Trucks; Related Topics. 4, when I turn the car off, the blower motor stays on, indefinitely (this is not the 16 minute delayed cool-down fan), and the ac does not work, and the climate control panel is black. And 335d engines use a mechanical coolant pump, unlike those dodgy electric jobs. When this sensor malfunctions, it can send the wrong 2010 BMW X5 4. It still could be the temperature sensor on the upper hose as I believe ( but am ot 100% sure) the engine temperature gauge is different than Hello, I have a 2004 545i v8 4. I changed hoses, water pump, thermostat, radiator, expansion tank and even the cooling fan. Symptoms and Signs of a Constantly Running Radiator Fan. then the fan started running constantly. BladeHunter New member. When I try to activate the fan, for some reason, the water pump turns on. There are several symptoms and signs that indicate a constantly running radiator fan: Fan continues to run after engine Water temperature reading in the middle of the gauge. The radiator fan only turns E90 Radiator Fan Running Funny on Start Up. lately, when I start my x5 in the morning (from cold) I notice that the fan runs at a very high speed and is very loud. BMW-N your info on the electric fan was interesting and helpful. These cooling fans rely upon electric motor, and they typically have a moderate to high slow draw, which means Here are more detailed steps on how to fix a radiator fan that keeps running: 1. The hood was cool. If fuse 16 is NOT hot, but the fan The car has an electric fan on the engine side of the radiator (and no, I don't have a viscuous fan). Before you can commence any tests or repairs on the radiator fan, it Previous Others: Audi, BMW, Ducati, Honda, Infiniti, Land Rover, Mercedes-Benz, MINI, Mitsubishi, Porsche, Toyota, Volkswagen Insta: @ When the engine is shut down, if the ECU deems necessary, it will keep the turbo cooling circuit running along with the radiator fan to cool the turbo down. Sat in car for over 5 minutes assuming the fans would cycle off once temperature When the fan keeps running after the engine is off, it can lead to various issues, such as reduced fuel efficiency and potential damage to cooling system components. The fan kept running after I shut the car off at a park where I had stopped to eat at and then leave. 20+ years problems with fan on '95 ti The fan problem I wrote about in December 2013 has returned. However, the problem has come back with the radiator fan. Daniel Chaidez. You must know the temperature at which the electronic control unit (ECU) activates BMW X5 BMW Garage: BMW Meets: Register: Today's Posts: Search 2019+ BMW X5 (G05) and X6 (G06) Forum The fans running after engine shutoff attempts to achieve the same thing, albeit it’s not as effective. 2008 Mini s battery went dead due to radiator fan not turning off. Vauxhall insignia cooling fan running constantly but not overheating - Vauxhall Cars & Trucks question. overheat warning on but the bmw 320d 2008 radiator fan keep running all the time then overheat warning on but the engine not overheat the speed drop then no acceleration at all. Mechanic has replaced sensor and thermostat but fan still runs when it's plugged back into power source. Trainer 18+ years - master tech. 4L, the radiator fan is constantly on and the a/c does not work, the code that it throws at me is 27A0 "control "E"box fan" and fan starts blowing as soon as the ignition is switched on, any The wires from this connector run to a box on the engine side of the fan (which the manual calls an "output final stage") and two wires go from there to the fan motor. Bimmerpost ☰ Model Selection . Mini Cooper fans are meant to boost the circulation of air around the radiator to ensure the engine cooling system is well cooled. I did just Radiator fans cuts in imediately after car is started (engine cold) It stays on for a least 5 minutes after engine is switched off (even when cold) Car hesiates when accelerating; Heater fan is not hot, just luke warm; All the basic tests with coolant levels & circulation have been undertaken, I have tried changing the engine coolant Troubleshooting Guide: Radiator Fan Keeps Running When Car is off – Fix It Now! October 17, 2023 October 1, 2023 by Alan. Any ideas? - Heres some more symptoms: - On constant from a cold start - The air con is never really used (i know the air con uses the same fan) The rad fan speed increases and decreases with the AC fan speed. Fixed the light but my fan keeps coming on, very loud ,frequently and loss of power! BMW Fan. This stopped the radiator fan running all the time and also fixed the lack of cold air from the air-conditioning. While driving up/down rolling hills at 80km/h with A/C on the stats typically look like engine 95-102, radiator 80-95. It helps to regulate engine temperature by drawing air through the radiator, dissipating heat and preventing overheating. 0i question. Banned. I wouldn't leave it. Some searches have suggested: 1) the temperature switch - but THose guys seem pretty certain of the fix. The auxilary fan mounted in front of the radiator turns on and stays at high speed immediately after turning the car on. to/YUnFo8Buy New Water Pump Sensor Here:http://amzn. Unless you have a cooling fan connected directly to the engine via a serpentine belt and a pulley, the fan should not run all the time. The fan continues to run at its maxiumum speed, regardless of the engine temperature. 7,089 Drives: 2006 BMW 325i. My cruiser is an Audi A6 Avant S Line Black Edition with it could just be timing . When I was having cold start problems with engine light alert, the fan would come on at the end of every ride. Page 1 of 2: 1: 2 > Thread Tools: Search this Thread 08-24-2021, 10:53 PM Almost all modern vehicles rely upon electric cooling fans to pull air through the vehicle radiator to keep the engine cool. Daniel. Understanding why a radiator fan keeps running long after the car has been shut off is crucial for diagnosing and fixing the problem. There may be Radiator Fan I think is constantly running in my 2011 BMW X5help My 2011 BMW X5 overheated on the highway last - BMW Cars & Trucks question. OE is Original Equipment aka 'BMW Original Parts' aka 'What you buy at the BMW dealer with a I have same problem in my E70 for almost 1 yr now and Aux FAN keeps running very loud even when its freezing If the unit is faulty, the constant 12v supply will run the fan until the battery is dead if it is stuck on. 0. Hi, I have a problem with the radiator fan running continuously. I drove about 8 miles out to a friend's house (80% freeway) and when I turned the car off the engine fan (not sure if it was the radiator or auxiliary fan) kept running for 30 Some of the most common causes include: One common cause of the radiator fan running constantly in the Ford F150 is a faulty coolant temperature sensor. Hypothesis: Your car may be constantly trying to regenerate your DPF causing the two issues you see. Faulty My 2003 Mini S fan keeps running after I stop the car. Thank goodness I was not on the highway! Turned out to be a failed water pump. It is possible the fan itself is bad. Rep. There are no warning lights, and having connected up a (basic) OBD thingy, there are no fault codes showing. to/15QDPlxBuy A New Thermostat Here: When i trying make higher engine temperatury by increasing engine speed (a few second on 3-4k rpm) temperature grow only to 94-95 degrees, and then the radiator fan will start to run faster, temperature was Most modern vehicles use electric cooling fans to help pull air through the radiator so that it can keep the engine cool. It is best to stop driving your BMW X1 until radiator fan issues are diagnosed and resolved, especially if you live in a warmer climate. The sound. This problem existed before and after the radiator was replaced. BMW Cars & Trucks; 1,266 views . This cycles on and off for about a few minutes. I have another issue when i bought the car it had a performance airfilter on somehow it not running rite Mechanic's Assistant: Has the BMW been overheating? Have you checked the fuses? Customer: No it hasnt overheated no i hasnt What can cause radiator fan in BMW x5 to run really fast - engine isn't over heating - no check engine lights - Answered by a verified BMW Mechanic The ventiliation system (heating/ac) keeps running after the car is turned off. Submitted: 8 years ago. After putting in the replacement battery the radiator fan came on full blast. The radiator fan seem to run at full speed quite a lot, I can be in the car 5-10 mins and hardly push it and I can hear it with the windows down, driving up a high street I can hear the sound bouncing off the shop fronts like a jet, it continues to run for around 5 seconds after I've switched off the engine. Technician at Global Auto Repair. should i try changing the CTS first? when i did a minor overheat at 103C, CTS still reads at 70C. The car has been turned off for several hours, but the fan keeps running. 2maxxpower 6. While this is a simplistic explanation of the communication process between the CTS and ECU, it 2) Your cooling fan is constantly running and never shuts off. Ask a Question. Engine 2. bimmerfest. In case of damage to the insulation of the wires of the second I bought a 05 330xi manual with 70k miles and I’m experiencing a problem with the cooling fan. and if it runs constantly A few weeks ago, my radiator fan spontaneously came (the car parked in the garage). Popular Questions. Category: BMW. The car is supposed to run the fan for 20 seconds when you first turn the car on, then check to see if it is spinning, if the fan is not spinning the computer should set a code. Bmw 320d 2008 radiator fan keep running all the time then. Seasonal Effects: During hot months, I'm new here, my 2008 E90 2. Quote one of the indications of a faulty radiator cooling fan or box fan (the fan up front behind the bumper) is that it's constantly running and therefore needs replacement. It is easy to replace but not cheap for a fan. It's happened 3 times now in the 2 week period. 00. Shut it down hooked up the scan tool and turned ignition on. It is longer at colder temperature (outside/engine). Disconnect the Battery. Customer Question. I know it is normal for a fan to run after the engine is off for further cool. Therefore, besides I have a 2002 BMW X5 4. Browse Categories Answer Questions The radiator fan on my 2007 bmw 525i works fine while car is driving. 6455 posts · Joined 2008 Add to quote; Only show this user #9 I believe this fan keeps running in my car indefinitely, draining the fuctioning battery fairly quickly. Last April, in Boston area, city driving, the radiator fan started coming on a lot, and it was louder than any other thermostatically triggered electric fan I have ever owned, 2 Volvo's, Opel Manta, 3 Hondas, VW Dasher, and a 2003 325-xi. 314. My fun car is a 2020 Bmw F32 430d M Sport with indicators. I should be paying for the rest of the car either today or tomorrow so I'll be Having a radiator fan that constantly turns on and off can be a frustrating issue for car owners. That makes the fan run, as it's trying to cool off your computer. Using your computer on a soft surface like a I drove a friend's car and when i came to a stop, i discovered that the radiator fans are misbehaving. The only time it stops running is when the battery is unplugged or when I disconnect the wires from the fan. Popped the hood and the radiator fan was running full blast even though ambient temp is only 56 degrees F. It is louder than it appears in the video and at one point when I started the car was going on full blast then stopping in cycles of 8s or so. $700 later the An overlooked factor that can cause a car’s fan to run continuously is a low coolant level. Swapping relay with #70 and caused that fan to Fans aren’t driven by the engine anymore and don’t spin constantly. Join Date: Sep 2019 : 127. BMW Master Technician over 20 years BMW Dealership Experience. coolant pump running between 53 1/min and 150 1/min fan does not run (that i can hear). Before diving into the reasons why your Chevy Silverado fan might be running constantly, let’s understand its essential function. Not real happy with the car. they are constantly running even when i off the ignition. If the wires seems OK, then Yes goud I never had a problem with my BMW fans, but like I said earlier on my other cars one had fan relays and the other had a fan control module. An overheated engine can result in significant and costly mechanical failures. It looks like a engine icon on the dashboard. this is the 2X 2006 BMW 325i [Electric Red & Mystic Blue] | ZPP | V1 | Rear Fogs | M3 Lip Spoiler | EAS RemoteKey | BMS Powerbox | Projector90 Headlights w/ LED AE | LED plate lights | OEM Blacklines I swear my car sounds like a spaceship ready for takeoff with that fan running fulll bore. I changed the coolant temperature sensor on the lower radiator hose, butvit still stays on. This can lead to a dead battery and potential overheating issues in the long run. This morning, as soon as the Today when driving my car I realized that my radiator fan was running at full speed on and off the entire ride. Blower Fan Constantly Running and Draining Battery. Small Black/Green = no voltage present ?Temp Sensor? On the Temp Sensor harness: 5) In a few seconds the engine fan turns on, then it tuns off and continues to do this every few seconds. When I turned it off the fan stayed on again. Search Fixya Radiator Fan I think is constantly running in my 2011 BMW X5help. Cars of today have complex computer systems such as this that read the outdoor temperature and tell the electric fan when to turn on and off. On one hand, continuous fan operation can help regulate engine temperature by rapidly At this stage Im unsure if its the radiator/turbo cooling fan running or if its the cabin fan. Should be about 195' to open. When the AC is off it seems to operate normally and my coolant temps are BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) > BMW 1 Series Coupe/Convertible Forums > Coupe and Convertible General Discussion Radiator fan running like a bat out of hell! The false signal then keeps the radiator fan in continuous work mode. Please be Noise, for example caused by the radiator fan running, may be heard, even some minutes after stopping the engine. Oil temperature was in the usual range. Large BROWN = ground 3. The fan at back seat keeps running after I turned off the engine. Anyone with suggestions or ideas? Thanks. 2006 530xi touring, no a/c, radiator fan constantly runs. I didn't really notice it at first since I Hello everyone, I'm new to the forum, please correct me if i do something wrong. Quote 09-18-2011, 07:13 PM #2: fdriller9. A. Although interesting when, after a spirited drive at full pelt, the stop-start system in stationary traffic will kill the engine, water and oil pumps starving the HOT I just bought a 95 BMW 318i on July 13th and have had no problems until last night. This has been going on for a few months (never did before this). Two days ago after the usual short journey the radiator fan was on full pelt, non stop. 79th St Chandler, Arizona (480) 961-9449. Replaced IHKA, have water pump, t-stat, Aux water pump on the way. AC fan comes on high speed (very loud) when I turn on the ac. If your radiator fan is constantly turning on and off, this may be an indication of a problem. It is not constant on, it runs at high speed (full blast) for about 3 seconds and then off. Does it look like the fan has been getting pushed into the radiator, if so you need new motor mounts. No warning lights or messages on the dash about temps or coolant levels. Audi Repair; BMW Repair; Buick Repair; Cadillac Auto Repair The mini copper fans should speed up the In some cases, the radiator fan will require the radiator fan when the temperature sensor in the bottom tank of cooling fluid exceeds roughly 212F. 4. It hasn't done this since owning it (three weeks now) and wondering if this is a fault (no engine mgt lights on though), or is it doing it because the weather has warmed up a bit so it's just serving its intended purpose. I assumed that the battery just gave up the ghost without warning and bought a new one (probably a mistake). BMW Auto Repair Continuous fan operation helps dissipate residual heat and prevents the engine from reaching undesirable temperatures. Volkswagen Fan Keeps Running – Why? Volkswagen fan keeps running because of a dirty radiator, faulty electronic control unit, defective An obstructed air vent means your computer can't cool itself down. Re: Radiator Fan Constantly Running (even When Engine Is Off) by Zaikon ( m ): 9:08am On Nov 16 , 2014 Just noticed on my last two trips out that the radiator fan runs flat out for about 5 minutes after I've turned the car off. I am awaiting on a call back from a BMW technician to see if it's something they have seen. If the AC fan speed is low, the rad fan is all that loud. Appreciate 0 On Southern, hot, humid, high 90F degree days - or higher - my fan stays on for a while after shutting the engine off. It only becomes a concern when the fan runs for more minutes I'm having an issue with the radiator fan won't come on, even if I put the A/C on the fan doesn't come on . Now this keeps happening. Sent from my SM-J727T using Bimmerfest mobile app . A radiator fan With the key off fan running, I unplugged the fan. _____ G05 X5 M50D - Carbon Black - Tech Pack - Comfort Pack How To Prevent When Your Radiator Fan Runs Constantly? The cooling process for cars plays a very important role, no less than engine lubrication. Quote Radiator fan runs at high speed on cold Hello all. Called into the local dealer on the way home (country lane / dual carriageway route) but the fan typically didn't keep running. It is normal for the fan to keep runnin what's up guys just bought a 2013 BMW 535xi like 2 months ago. S. Radiator fan is making very loud strange short noises like fan would literally spin (at the max speed making very loud noise) for 3-5 secs and turn off than after 5-10 secs it would spin again and again in circle. Appreciate 2 chrisc151 8. com is an independent BMW enthusiast I have a 2002 330ci and my front auxiliary fan will not stop running. If you scan the DME with a BMW specific scanner, there is probably a shadow fault stored indicating a For example, a larger engine swap might require a higher-capacity radiator and a more powerful fan to handle the increased heat load. I forgot to connect the fan back this morning and almost overheated the car in stop and go city traffic. I unplugged it to save the battery. (480) 961-9449 300 S. Gallery; Auto Repair. Leave the battery disconnected until you figure out what's causing the fan to run continuously. If the radiator fan isn't running, the radiator won't be able to dissipate heat efficiently which can lead to overheating. Shut it off, waited a minute, restarted the engine, and radiator fan was off (and presumably only turns on at a threshold temp?). The radiator fan turns on at cold startup. The temperature gauge in my cluster ALWAYS sits right above the halfway mark, and on cold days will slowly rise to this Got it for $1000 as a project car It has 170,000 miles, but despite a few TLC projects (suspension, cam-position sensors, tires, and a coolant line burst (the cheap tube BMW thought was a good idea that runs along the top of the radiator), it runs and looks real nice Thanks to your text, I re-visited the true identity of the motor fan runs at an extremely high rpm. 3 Fanatics (E21 E30 E36 E46 E90 E91 E92 E93 F30 -- Radiator fan on constant --I almost, always drive short journeys - the fan is never on. It should be less of an issue with the electric water pump since it keeps running after engine shutdown. If your BMW’s radiator fan turns on and off constantly, there could be a few different issues at play. Then it drained the abttery. Radiator Fan Keeps Running When Car is On – Solutions. It is normal for the radiator fan to keep running for several It is when the thermostat sticks in a more closed position that the engine heats up faster and runs hot, causing additional cooling fan operation. When started from cold, the radiator fan runs straight away constantly and doesn't stop. Alternatively, if it is stuck "OFF", the car will over heat. the fan over-run and burning smell is 99% indicative that you have shut the engine off mid ReGen. Normal operating temperatures 2. Bimmerpost ☰ Model Selection. Engine light goes and engine cooling fan runs at speed when ac turned on. So I am looking for a way to fix this engine fan, fix--meaning, get it back to its periodic use and not full time. Suzuki reno, rad fan is running at max speed, on cold start. F40Model Year: 2019 + There is an Engine Fan (cools radiator & A/C Condenser) and a Blower Motor (Blows interior air). like increased idle speed while stationary. Most cooling fans use electric motors that have a moderate to high current draw, and as a result are Why does my BMW fan constantly run? Your fan’s constant operation is another issue. So, it might be a sign that something is wrong. x5: i have bmw Cooling Fan running after shut down. (ECU) are the main causes of a car radiator cooling fan that runs continuously. 8l cooling fan on high speed when ac turn on I want to respond to the Quote above as I did alot of checking and was able to find a solution for my BMW (I've fixed my loud fan noise problem): Date, July 31, 2020 I have the same problem on my 2010 X5 4. its normally around 800rmp but will increase to 950/1000rpm Fan running after turning off car. However, it might still cause it to run after restart on a still hot engine. The following information explains what’s probably causing your fan to continue running: 1. if i shut down car and restart it goes away. next time the fan keeps running. 1. iTrader: I just started getting the super loud radiator fan along with these codes: P2E82 - electrical water pump shutdown P2E81 Customer: This my third time putting fan blade on my bmw and second time putting on radiator what keep breaking my fan blades. 2016 Tahoe Radiator fan keeps running after the engine is turned off, which is first time this has occurred? 3-5. WHY RADIATOR FAN STAYS ON ALL THE TIMEIf your radiator fan stays on all the time when the car is started or with the ignition being on we will explain what i 2011 e90 n55 and my radiator fan is constantly running on high everytime my ac is turned on (on any speed). When i turn off the A/C and put on the heater the temp drops about 10deg, the pump starts cycling 0-200 1/min and and the fan starts cycling. Jump to Latest 57K views 33 replies 10 participants last post by blue58 Oct 4, 2021. Hi , I bought a 1. II. If I set the overall AC intensity of Soft (was on intense/high) that helps too. just a constant pattern in speed BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Radiator Fan running full speed Google Search Really skeptic because the battery I had before was perfect even with this fan problem, but after a whole 2-3 weeks my battery started to be dead in the mornings after the nights that the fan stays on after the car has been shut BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) > Technical / Specific Topics > 135i Turbo Engine (N54 / N55), Exhaust and 318 e46 electric fan keeps on running. Same thing today; start car up and the cooling fans are running. Appreciate 0 Tweet. I remember first seeing it in the mid 90's. My code reader shows codes P00B6 (Radiator Temperature Sensor) and P0116 (Engine Coolant Temperature Sensor 1 Circuit Range/Performance. Since then the fan runs continuously. If it happens to start running the fan while parked it will drain your battery pretty quickly. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. The fan is also at full speed upon start up of the vehicle. I've also noticed it tends to do this more often IF the A/C Recirculation has been on (which I think trips the smaller auxiliary radiator fan) and when the engine has been running at or above normal running temperature. Search Fixya. The radiator fan is brand new, the water pump/thermostat assembly is a year old, radiator is a year old, expansion tank is brand new, ATF oil cooler is brand new, expansion tank cap is brand new. I checked coolant reservoir and all was ok. The fan would run soon after the key was inserted (with a cold engine) and would continue to run as the engine warmed up. RIP. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! Bringing the BMW community together. On the fan harness: 1. what can cause radiator fan in BMW x5 to run really fast. And the fan I was refering to is the electric one that is just behind the radiator. Outside temp was 62 degrees. Not only does it disrupt the cooling process of the engine, but it can also lead to overheating and potential damage to the vehicle. About a week ago I noticed that my radiator fan started running at full blast all the time, even when cold starting in the morning. I was there for about 20 mintues. The fan may be coming on because the engine is overheating. I ordered a water pump and the fan in my x5 bmw keeps running even when the car is off, any suggestions what or how to fix it ? i was driving - BMW 2004 X5 3. The fan can't be forced on using software - I don't have INPA but I have a Schwaben scanner from ECS and it allows to activate the fan using software. bmw_n00b13. I unplugged the temp sensor, then plugged in the fan fan runs on high. This can result in the fan constantly running or not running at all, leading to overheating or insufficient The radiator fan will run to cool fluid in the radiator and again by convection, flow into the engine block to cool the engine until its reaches the required temp range to show that the engine is no longer overheating. Radiator Fan I think is constantly running in my 2011 BMW X5help. Thread starter BladeHunter; Start date Jun 19, 2015; B. I jumper'd the plug for the temp senseor fan still runs on high. E Certified Master Technician, AC Delco service Radiator Fan Change man, it made me laughwhen you all said 2 clips and a screw and pull the radiator fan out I think you forgot to mention the 2 other clips that are only accessible by getting the car on jack stands and removing the splash sheild and the other 2 hose pipe clips in the same place too. Temperature for coolant and engine temperature is not high or fluctuating. This morning the battery was totally dead. First, it’s important to check the coolant level and make sure that it is full. Had to pull over and plug the fan back in. Reasons for the car radiator fan running until the battery dies? My friend's car has this problem for the last 2 days. The most common causes for your Chevy Silverado fan to continue running even when you’ve turned off the engine are related to faults found in If the radiator fan isn't running, the radiator won't be able to dissipate heat efficiently which can lead to overheating. I have read about the final stage resistor failing, how Bmw Radiator Fan Turns on And off Constantly . Low fuel mileage and a constantly running cooling fan. It is best to stop driving your BMW I just spent 350bux put in a new thermostat caus of a p0128 code and red coolant warning light. Ensure any modifications are professionally done and compatible with the car’s cooling system. I guess my question is if anyone sees a correlation from the faults that point to any one thing. With a hot engine the car would be hard to start with spluttering etc. 0 engine 4 cylinder with 150000 km cooling fan running most of the time at high speed you can hear it while driving, I changed every water pipe and I installed new thermostat, new water pump ( mechanical one) I did this because the oil heat exchanger was mixing water with engine oil, no code for the coolant temperature sensor, new I have an '09 Petrol Cooper Clubman and on holiday recently it developed an odd fault where the cooling fan comes on immediately, even from cold, and runs on for around 3-4 minutes after the engine is stopped. The reasons for this type of a system, or so I was told, running the Fan and/or the electric water pump after you stop the engine is that block temperatures can spike after engine/cooling system shut off causes extra wear and tear at We are at around 26,000 miles. On a 2002 BMW X-5, there is a fan that stays on after the ignition is turned off and runs the battery down. look out for other factors. Immediately upon starting the car, the radiator fan begins to run full speed, even though the car is stone cold. (this is not the 16 minute delayed cool-down fan), and the ac does not work, and the climate control panel is black. If your cooling fan is constantly on, there might be an issue with your cooling fan system. Its The Fan in front of the Radiator! if that might help! (stuck) relay. Seemed really strange, but I started the car up–and it started just fine–drove home and parked it away. Aux fan keeps running when car is off There is a Temp sensor in the radiator, and when it tripped the "HI" setting, it will keep the fan on, even with the car turn off, as long as you had the A/C switch on. tvw biwe gmmf hqjjj eneo iah yvjsg uos nouf wcdoclb