Bmw fan blowing loud. I replaced the blower motors on both and bye bye noise.
Bmw fan blowing loud Brought it back to my BMW specialized shop and it was a code for thermostat AND a temperature sensor. Does fan speed affect the noise? (i. Sep 15, 2010 · Explore common issues with the BMW 330i AC or heater fan, including blower final stage resistor failures, symptoms, costs ($238-$449), and user experiences. You should check the aux fan status while running the AC, if the aux fan does not run then I would check the voltage supply at the plug on the top right of the radiator it is a four pins connector, with a DVM Brown wire (negative) against the rest of the wires one wire at a time of course, you should get at the least one 12 VDC from those supplies. Jun 25, 2013 · Replace the aux fan and have your system charged by a competent a/c shop. What is going on?? I checked and added coolant a few weeks ago, it was at a pretty normal level. e. I turned the car off and turned it back on again, the blower did not work. On the display it says its on. Oct 21, 2024 · AC Blowing Hot Air. 3. S When removing the fan you have to snake it out through the passenger side of the Jul 20, 2016 · Hi guys, I had this problem with my X5 for 2nd week and it's only getting worst need a good. I went to my BMW specialist mechanic, and he said: "Yeah, they all do that, and not only E46's. Mar 10, 2013 · The fan was working perfectly fine when I drove the car. All BMW heater blowers have this problem soon or later. Feb 9, 2022 · The most common causes for AC fan blower motor not working in BMW 5 Series are blown fuse, bad relay, resistor or control module malfunction and faulty blower motor. 2001 BMW X5 - No heat from center vents. 8is (E53) and they both had the same noise. I also notice a slight ticking sound which I attribute to normal VANOS noise, but that noise has been present for some time and doesn't seem any different. be/J4HcNS2kvuQHo Feb 26, 2014 · I have a 2006 750li and today I have a loud fan noise coming from under the hood. Now it does not turn on at all and the ac does not cool. It is held on by 4 10 mm bolts. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Feb 26, 2015 · Then less than a month, the fan starts to turn on intermittently with very loud noise, normally after driving about 10-15 mins. When the compressor is running, that fan is whirring like crazy. If your BMW’s air conditioning is blowing hot air, the cause might be a few different things. E81 / E82 Dec 3, 2021 · The car is always properly warmed up and usually is around the 245 degree mark when driving. I figured it could be the pressure switch on the a/c line acting up so I took the care to my brother who is an a/c tech and he found that the car had a very high head pressure. Jun 1, 2015 · This happened to me this weekend, I took a road trip [drove for 7 hours at around 90+ weather] the AC was still kinda cold but it was not blowing, I could hear the fan blowing hard but it sounded like it was coming from the top vents. Radiator shroud and fan come out (and go back) as one unit. I tried all of the settings, including the foot, face and upper dash settings, and still no May 17, 2008 · The chirping noise from the A/C you all are hearing seems to be the blower motor making noise. Once that breaks down, leaves and debris can find its way into the motor fan blade area and cause the sound you hear. There is one screw in the top and is hard to see. Lubricating the blower motor fan bearing helps el Aug 14, 2011 · Hey Guys I need some help. Feb 23, 2015 · Hi all, I started my car this morning, and hit the defroster button The orange light speed indicator lines on the dash showed the fan running at the highest setting, but no motor noise, and no air. When stopped at a red light, I could also hear the fan vary a lot in speed, which was weird. One day it Oct 11, 2010 · I just picked up my car from the dealer and this is the SAME EXACT noise I am now experiencing - a humming / whining noise coming from the HVAC fan / blower when on, where there is an on / off one second interval cycle for the noise as described; along with another which was fixed at one point in the past, but is back - a loose / squeak whistle like sound coming from the ash tray / cigarette Aug 18, 2016 · I got my 01 525i about 4 months ago now and as long as I have owned it, it has a very loud fan noise when engine is warming up, like if I start the car to drive home from work and the engine is cold and its about 85 degrees out, the fist few minutes of driving I will notice that it has a very loud sucking noise while accelerating. These BMW systems are very sensitive and just blasting in some R134a will yield more hot air unless you put in the amount on the green sticker at the front of the engine compartment. Is this normal? Feb 13, 2020 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. (blows cold air) Blower fan works,heat works in floor and defroster mode. The blower fan in my A/C ( or heater) does not blow. I'm inexperienced and did it in about an hour. Nov 29, 2018 · Loud fan when a/c on. In other words the system needs to be evacuated and recharged with the correct amount. Totally fixed noise problem by re-lubri Mar 10, 2019 · Cooling fan not working Bmw i3 Fault loud fan noise when charging | how to fix | Cure | What causes the fans to come on when I charge my BMW i3 and how to Repair It | Thanks for wa Aug 14, 2011 · Hey Guys I need some help. Then tap second time to increase or decrease fan speed. There is a high-speed mode for the radiator fan that is very noticeable. Steve | BMW Expert 34,550 Satisfied Customers Dec 29, 2009 · I believe this fan keeps running in my car indefinitely, draining the fuctioning battery fairly quickly. Have a mechanic diagnose your BMW if it is making unusual noises. BMW Mechanic: Marcus I have provided the step-by-step instructions from BMW for filling and bleeding this system after a repair is performed: BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > HELP!! Radiator cooling fan going full blast (loud!!) Jun 13, 2019 · Thank you very much for the replies. More amplified after prolong drive. This is due to the thermostat stuck closed. Chances are that these are issues related to a dirty blower motor that is clogged up. My local dealer cleared out all the leaves and fitted a grill which should hopefully stop any more leaves getting in. gauge is normal - you don't know if your thermostat is fine or not. Thermostat is directly behind fan. I stopped and grabbed some food while I checked the car and when i started it back up everything was back to Aug 9, 2024 · Radiator Fan always on and when driving it gets louder/faster then stopping it goes lower speed but still on, changed the coolant sensor on front of engine today and still got the problem , i had the dpf recently gutted and deleted , not sure if that has anything to do with it , no signs of over too loud a fan. issue was resolved. Don’t ignore the problem even if the car drives fine. Nov 18, 2014 · 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). Loud fan speed and CEL. Fan nut is LH thread which means righty loosey, not lefty loosey!!!!. To remove the fan you just release the spring clip at the lower part of the fan motor. Few days later. So the service advisor sent an email directly to BMW asked for advice. I suggest making sure youre in sync mode so when you change fan speed, it changes all zones simultaneously. Fan also makes a loud noise when running. The intensity and the strength if the aircon air reduces significantly, even when i am at Mar 5, 2016 · The culprit is a honeycomb type filter that sits in front of the blower motor in the engine compartment. So after taking out the cabin air filters I realized that Customer: My 2005 BMW x5 AC is blowing out air, but not cool air. I should also add that I checked Nov 25, 2021 · Doesn't stay fast and loud like before. 25 hrs. It does not do it when the car is started cold. Wondering if the fan needs to be replaced or if its something else. This is the first BMW I've owned so is this normal or is there something wrong with Today we fix our high mileage E93 M3 blower motor that makes a squeaking noise during cold weather startup. As has been suggested in this thread, my noise was caused by dried leaves clogging up the fan. It would seem to me that either water pump or thermostat or the engine coolant temperature sensor is intermittently failing. I have a fairly new fan clutch, and the fan goes VROOM when I start up, as it should. Started running very often recently, at speed. Was complaining of a noisy AC fan this morning. Jun 11, 2018 · A video on how to fix blower motor noise in an F01 and F02 from 2008 up to 2015, quite common the mesh filter deteriorates and allows leaves and other debris May 27, 2023 · The fan keep running after switching off is a safety measure when the ECM cannot read the temperature it will keep the fan blowing for 10 to 15 mins after you switch off to make sure the car is not in a situation where it can cause a fire (as the ECM cannot determine if the engine is ice cold or burning hot). Nov 20, 2008 · The best way to describe the noise is that of a large fan blowing. 2. It could be a problem with the center control knob, which sometimes needs adjustment. I could feel the vibration through the accelerator pedal. I checked it out and noted that in the fan speeds middle to high or using max, with or without recirculate function on the fan blower rattles, a sound similar to a piece of cardboard in your bicycle wheel, but not that loud. If i turn off my A/C then the fan stops and the noise goes away. The same thing happens when the car is cold or hot (recently driven). The engine fan comes on overly strong, but the oil temp is in normal range. However, as the engine reaches 3000 rpm, the fan becomes unbearably loud and sounds like an airplane. Can anyone tell me what's going on with that noise. For me, Auto doesn't make any difference. the auxilliary fan (think i spelled that right) aka "pusher fan" is in front of the Dec 14, 2017 · My fan blower would sound very loud and "grumbly" when on or close to full speed. Mar 10, 2019 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. I heard a knocking noise last week coming from the front of the car and noticed the front blower fan was wobbling when rotating. Any suggestions? Customer: My 2005 BMW x5 AC is blowing out air, but not cool air. Mar 4, 2016 · preface: I posted this query over in bimmerforums as well, and searched very extensively to find someone with similar issues to no avail. So after taking out the cabin air filters I realized that I've had this odd thing happen about 4-5 times now. Jul 19, 2008 · Not normal. As soon as I turn the AC off (again, if I'm parked, driving, doesn't make a difference) the fan returns to normal and it once again sounds like an automobile and not a jet. Any suggestions? Jun 25, 2008 · The fan should be spinning fairly quickly when the engine is on. gauge is heavily damped and can be at the 12 o'clock position when the engine is quite a bit hotter than normal. In hotter weather, the E90 electric fan will blow faster and be noisier. 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 It's only when the AC is on, whether its blowing a tiny bit or full force. I have traced it to air conditioning, where leaving the a/c off seems to eliminates this loud radiator fan Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Replaced OEM TS (Mahle). Oct 22, 2022 · 5 Reasons Why Your Car Cooling Fan Is Louder Than It Should BeThe other day, I was sitting at a red light when I heard a loud car cooling fan noise coming fr Coworker has a 2012 328i luxury. Then it sped up really fast and got very screechy loud and died. This year I have had the following repairs made: - Crankshaft timing sensor replaced - Coolant flushed, new coolant connectors - Replaced valve cover, valve cover gasket, spark plugs The valve cover, gasket and spark plugs were done on 12/16/22. Jan 7, 2015 · Occasionally, the fan continues on for 20-30s, but generally it stops once I start driving at speed. 1. As it was explained to me, the cover has some thin foam type screening to prevent debris from entering the blower motor fan area. Loud fans after turning off 2024) • BMW X3 (G01) / X4 (G02) Forum • Loud fans after turning off Post Reply Thread Tools: Search this Thread Dec 9, 2013 · the issue is that the electric water pump has failed. Now my fan is quiet except for hearing the air blowing. Have the new one first so you know what you are looking for. No more CEL or fast loud engine fan Oct 27, 2024 · A car cooling fan can be louder than it should be if the fan blades are dirty which restricts airflow and causes noise if there is a problem with the cooling system that isn't cooling down the engine as it should and the radiator fan is working harder to lower the engine temperature, a loose or broken radiator fan belt, a faulty radiator, or if the airflow around the radiator is obstructed by BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > Help Please - AC Stopped Working and Engine Fan VERY loud Google Search Yes, just two little leaves in the cage. Jan 13, 2023 · Hello, I have a 2008 BMW 328xi with approximately 95,000 miles. Non-OEM BMW thermostats may not operate with the same precision in opening and closing times as OEM models, often leading to performance discrepancies. Nov 6, 2023 · Certain BMW noises can be an indication of a bigger car problem. Vehicle has 106,080 miles. Loud fans after turning off 2024) • BMW X3 (G01) / X4 (G02) Forum • Loud fans after turning off Post Reply Thread Tools: Search this Thread Apr 3, 2019 · Here is a 2012 BMW 535i that the people were complaining that the blower motor was making a noise. It is working fine and the A/C blows cold air. May want to try cleaning the cowl and the inside where the air filters are to see if you can get whatever is making the blower loud out. The AC was making a very loud noise, but once I replaced that cover. Apr 18, 2006 · Remove that then the fan is right there. It's very annoying. The fan sounded so loud that my wife opened the door and got out fast. Coolant and oil stay in the 90C range after a 30 min trip. BMW dealer wanted about $450 in labor. We hope you find the Most Common BMW Noises & Problems guide helpful. Once the engine cools a bit you should notice the fan noise go away. We also show you what is needed to repair i Replaced a/c compressor, dryer and hose,,in my e91 328i now blows cold air however there is a very loud fan noise, - Answered by a verified BMW Mechanic We use cookies to give you the best possible experience on our website. Take off the belt. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > 2012-2019 BMW 3 and 4-Series Forums > Regional Forums > AUSTRALIA > AC fans making loud noise Google Search Search Forums Oct 27, 2024 · A car cooling fan can be louder than it should be if the fan blades are dirty which restricts airflow and causes noise if there is a problem with the cooling system that isn't cooling down the engine as it should and the radiator fan is working harder to lower the engine temperature, a loose or broken radiator fan belt, a faulty radiator, or if the airflow around the radiator is obstructed by Went to turn my defrost and heater on and got a crazy noise from the dash!! Turns out my blower fan motor was rusty. Dec 29, 2009 · I changed the temperature sensor this summer, but my problems seem to be realted to fan speed. If you turn off the A/C (snowflake button) but keep the fans going, does the sound persist? If not, AC compressor could be the problem. What a rip off. Apr 3, 2019 · Here is a 2012 BMW 535i that the people were complaining that the blower motor was making a noise. P. Dec 12, 2020 · BMW X5 fan resistor replacement. Jul 13, 2015 · I have a shop vac and can blow air also, so I blew air in the cowl under the hood and got more leaves to fly out that way. Okay, I was working on my bmw’s water pump, and once I was finished, I turned the fan back on. I tried all of the settings, including the foot, face and upper dash settings, and still no Fan also makes a loud noise when running. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. I have a 2003 530i (E39) and a 2005 X5 4. I swear it sounds like it is going to take off Sep 3, 2019 · He agreed with my diagnosis and proceeded to replace the a/c blower motor and moulded cover. If so, it could be the blower motor. HVAC Fan Blower motor in 2012 BMW X5 E70 is making a chirping noise at low blower speed. I purchased the car one year ago. Two workshops that I went to for general servicing also commented on my loud radiator fan. I can turn the fan speed all the way up, but it never seems to blow much harder than a low fans speed (it used to blow very hard). Also does your car radiator make loud fan noise when ac is off? aswell does the fan go on and off continuously when climate is on? if so then you probably do have bad water pump and if that's the case get it done immediately because catastrophic failure can occur. I contacted BMW for a quote on the parts. Feb 12, 2022 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Mar 29, 2006 · I had the same problem and I was really angry, when i got a quote that I had to have the heater blower replaced. BTW, the radiator fan spins at a slower speed in other cases, it's not always in this high speed mode. the higher the fan speed the higher the pitch). I assume that the fan would not just give up the ghost, and that there would be some sort of indication by a noise or reduced fan power, but none at all. The temp. The fan is VERY loud and there is a vibration that is felt through the steering wheel, and when I open the hood/bonnet there is quite a bit of vibration coming from the engine itself, and I can feel it lightly in the seat as well. So I've noticed my Loud fan blowing noise. You mean your temp. Sep 19, 2017 · It never did for the first five years of ownership. $399 for the blower fan/motor, and $230 for the blower motor regulator. In this video we show you why our BMW was making tons of noise and vibrating any time we turned the fan speed up. This did not work. 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. Same issue. Fortunately the car was still parked in the driveway. I pulled it out and lubed it up with Jul 20, 2016 · I fixed the issue: see following videosIssue with fan blower BMW F10, 535iHow to remove leaves/debri from blower motor BMW F10:https://youtu. So I brought it back to the dealership. I go over how to remove the paneling to locate your blower motor. It's supposed to keep out large debris like leaves. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Sep 15, 2010 · Explore common issues with the BMW 330i AC or heater fan, including blower final stage resistor failures, symptoms, costs ($238-$449), and user experiences. The filter material breaks down and begins to flutter generally when the fan speed is at higher speeds which in turn sounds a bit like a loud droning noise. But today, I noticed that the oil temp was very low after driving for about 30 minutes and then my fan started blowing super loud. BMW 1-Series Forum (F20) 135i - 1Addicts. Jun 22, 2014 · The dealer did contact BMW NA and factory technical support. Another option is to not use sync, put all fan speed in the lowest, then slowly set the rear fan speed and front passenger to your tolerable level, and leave it at that the whole time. That was all though, two little leaves to make that loud noise. . You would need a BMW specific reader to pull the hidden codes. Temps seems normal , 200-210 F, 95-100 C. But when the engine is stone cold, the fan should spin much more freely by hand, at least noticeably more freely than when hot. com > Second Generation 1 Series Forum > 2012 BMW 1-Series Sporthatch (F20) Discussion > Blower fan noise Google Search Search Forums Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Not a definite but it could be a start Apr 9, 2014 · 2. I was worried so i drove very slowly back home while the fan was blowing super loud. I have done some more research after posting here and seems that some owner describe the radiator fan with AC high output, especially on a hot day, "abnormally loud like a jet ready to take off". But the thing is working fine, it was just giving me this "whirring" noise. They quoted me 2. It's almost a whine, but not quite. It's not very loud, and it's not the HVAC blower either (that functions normally). Apr 20, 2009 · Whenever i activate my A/C my auxillary fan comes on and makes a high whine kinda like a jet engine. I followed certain post and changed out both thermostats. Other times, the electric auxiliary fan behind the front bumper doesn’t work, leading to poor cooling. Ignoring BMW noises can lead to unnecessary damage and, even worse, put your safety at risk. Jul 28, 2021 · Also the lawsuit was only for n20 engines not n55. Sep 6, 2010 · The E90 has a single electric cooling fan that consolidates functions of older cooling designs: the mechanical engine fan with a viscuous clutch and an auxilliary electric fan. The rpm's are okay. The Auto feature trys to adjust the blower fan speed to the proper speed but nothing happens! Basically everything works but the blower. It is definitely some kind of blower fan. Totally normal. However, a bad electrical connector or broken wire, or a defect in the climate control unit can also cause the blower motor to stop working. Replaced the sensor and boom! Back to normal. Loud "fan noise" can be heard when aircon is on, i dun remembered it to be so loud even when i sit in my car, the sound can be heard within the cabin with windows wound up. Jul 20, 2016 · When the fan was on high speed, it sounded violent. Anyway, fan seemed in good condition, put a couple of drops of oil on the bearing while I had it out anyway before replacing it. Supposingly "icing" of the aircon system. The fan continues to run the entire time. it would be advisable not to drive the car until it is replaced. I get bmw 328i, 2012, the heater is blowing cold air, i replaced the coolant pump and thermostat, the old one coolant. The noise sounded like an attack helicopter landing on the roof above us. Jun 2, 2011 · The only thing I had done was add freon to my a/c and that was 3 days ago the fans worked fine till the 2nd day wen I turned the a/c on the fans made a loud squeling noise then that when I notice the temp gauge goin up then parked it chk to see if a hose had bust or the radiator but they was all fine then chk the fuse box and chk the aux fan fuse and the 30A fuse was blown replaced it then it Apr 21, 2008 · yeah, if the engine is having to spin the fan at high rpm's with no fan clutch slipping, i would imagine it would be power robbing at higher rpm's. The fan clutch is fully engaged when there is a loud fan. Please be advised that my AC IS NOT ON, and that I'm only driving in 50-60 degree weather. After two weeks, they surmised the problem was that the solenoid of the active shutters ( google "bmw air vent control" ) was intermittently shorting out the radiator fan causing it to activate. My 750 did this when I got it. when this happens, the car runs the fan at max speed to provide as much additional cooling as possible. Also this is a intermitten problem. I replaced the blower motors on both and bye bye noise. Bimmerpost ☰ Model Selection. I could be wrong Mar 10, 2009 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. The fan is also at full speed upon start up of the vehicle. I checked coolant reservoir and all was ok. I really want to confirm the pump needs to be replaced before taking it in to the dealer as they charge $1300 for it and I fear they will do it without taking the time to fully figure this out. I know the fan motor works because if I put it on defrost, the fan goes to max. Apr 8, 2014 · Today when driving my car I realized that my radiator fan was running at full speed on and off the entire ride. Feb 8, 2018 · The thing that perplexes me is that the loud fan is completely silent when the cabin air is off. 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 only appears to have one speed - SUPER HIGH! Thanks Dec 25, 2017 · I have a 2003 325i and no matter what setting the climate control is set at, if I I press the windshield defrost button the fan speed automatically goes full blast until I turn it back down. Jul 24, 2021 · 2008 328i A/C fan blower made a loud noise when I pressed the MAX button. May 6, 2014 · My thermostat is fine and the level of it is not running hot. I sat in my car for around 30 minutes and I continued hearing what I believe to be is a noisy fan running in the dashboard. Oct 24, 2011 · 1. the symptoms of no heat, high engine temp and high/loud fan confirm that the water pump needs to be replaced. The couldn’t diagnose the exact issue as to what’s failing that causes the fan to turn on to max speed. Before replacing your blower motor, The fan is cylinder type and it was making noise due to a small (a really small) leaf stuck inside of it. One day it Jun 15, 2011 · +1. This relatively big leaf can go in there when there's an abrupt pressure change in the filter chamber. the higher resistance from the fan would probably make the motor feel sluggish and make a hellacious racket. The reason it got me a bit worried was that the fan was quite loud and louder than any car I have owned. Feb 22, 2024 · Blower fan was easy to access, remove main wire, lift plastic lug and rotate, then unclipped lower clip on heater ducting and just pulled it down a little to wiggle the blower fan down past it. When it was low, it sounded like a playing card placed between your bicycle spokes as a kid. Maybe leaves or debris managed to get caught in it. _____ Jun 24, 2012 · Take off the fan (32mm open wrench - Craftsman at sears). I stopped the car and when I restarted I could hear the noise building until it's like a roar. After you remove the screw remove the two clips and the front housing comes off. I see plenty of people with loud cooling fans at startup, but none that are exclusively blowing loud only after stop and go trafffic. I switched off, and when I returned about 5 hours later, the fan did not blow air into the car any longer. Blew it out, put it all back together and it's quiet as a church mouse on high. jhwbkrqgbmixonrmkzrocsnkqfiokagrecdvpqcwhqdicrnxpvhmianhehmlpvxdefojtxdmepuroweuf