Car Blower Motor Works Intermittently

For 2015-2017 Honda Fit Blower Motor 23274HQ 2016 Blower Motor -- With. Blower motor on car fitted with climate control. Intermittently the blower motor does not work at all. And no air blowing with no blower noise. Cleaning the brushes worked for me toogreat fix, Thanks for posting. My fan indicator shows the fan working at the proper speed, but no air is coming out. Have to replace the whole unit. The blower motor in my 01. The blower won't come on for 30-45 minutes after the AC has been turned off, but after that it seems to turn back on fine. When the resister of the blower motor starts to fail, the motor operates only intermittently. Dirty filters. I could wiggle the wires going into it, and change the speed of the. Blower motor does not function. The right parts, guaranteed. I took my car into the dealer because the blower motor intermittently doesnt work. I have checked the blower fan for debris, but found nothing. Save my name, email, and website in this browser for the next time I comment. Re: blower fan works for a whilethen quits?? When it quits check for power at the motor, if there is power the motor may have tripped the thermal switch (bad bearing or motor), or you may have an intermittent open winding. I traced my to the motor itself. There are currently 5 responses to "Fixing BMW E36 Blower Fan Speed. I did replace the Blower Motor Resistor with a NEW Valeo OEM Part. A lot of the time in this situation, you can slam one if the doors and it will change the speed of the blower. i was scouring google for solutions at the time so i could be associating damn near anything with the BMR. If the fuse looks good, move on to the blower inside the car. I work in the telephone business and am very familiar with DC wiring. Locate the blower motor. If so, the best solution would be to replace the motor. So when blower motor resistor fail's,high mode works,but other modes don't function. Hello all, My 2004 GC's a/c - heater blower is failing intermittently. Had it in my garage yesterday and it just works some. In some cars, a failed blower motor resistor can cause a heater fan to stop working completely. The blower motor is the component that propels a "hamster-cage" type of fan, which is responsible for recirculating the air inside the car's cabin. The dealer told me that there was a short in the blower motor and that it would cost $500. Some say replace the blower motor and they then find they still have the problem. My fan indicator shows the fan working at the proper speed, but no air is coming out. I just bought the car a few weeks ago and wanted to make sure it wasn't something serious. I purchase a new fan motor, unplugged the wire harness leading into the current (Mounted) blower and plugged into the replacement motor. Then every time I got the oil changed there was a recall to work on. These are normally mounted on the rear of the motor but check with your workshop manual first. 2004 Chevrolet Impala Blower Motor The fan works great, but it is a little bit more noisy than the OEM fan that was in the car; however, on a car that's 11 years. 56300 mi: blower needed replaced again due to blower motor fuse going out : 69000 mi US $180. Here's how you can diagnose if this component. second time, about a month after the original repair. This is usually the case after a blower resistor failure on one or more speed settings. Car - 2009 Audi A4 B8 Avant 2. When it does work the fan does work on all speeds. I had no problem changing the blower motor, it was quite easy in fact. usually when the resistor goes,it will only work on high speed or 1 or 2 speeds only. One time when it was switched on but not blowing, it came back on when I went over a little bump (a deployable security wall at work). This 2004 Chevy Trailblazer came in with multiple concerns. Blower motor works intermittently. A faulty blower motor can leave you freezing or sweating, quite literally. About four months ago, my climate control blower started acting up. I stop it then restart on 4 works althought on 3,2,1 works as well any clues what could cause this?. Other people on the web have had small fire melted wires. It's mounted right next to the blower motor. Heater / A/C Sometimes Doesn't Blow Air This morning I go to start my car to warm it up, the windows are frosted over, it is chilly up here in CT. I did not disconnect the battery before doing the install. It only works when the car is started and once its stopped working it doesnt operate again until the ignition has been off for a while. Knock on wood, it has only been in the afternoons when I leave work so my car has been in the sun all day. The blower motor for the heater and A/C started making a noise in late 2010 that got worse over time, and the Toyota dealer replaced it under warranty just 4 days prior to me writing this review. While it is true that the common symptom for a faulty blower resistor is that the motor will only work on high, the electronic final stage units can be intermittent and can cause problems at various speeds as well as operate as if they "had a mind of their own" … at any speed at any given time. 2002 Intrepid, fan blower works intermittently. The blower on my 87 560SL works intermittently. The Haynes manual says the blower is activated by a relay. I would remove it and verify that there's nothing stuck in the fan blades. i've been searching the archives, and it seems that if you lose the lower speeds that the blower resistor needs to be replaced. Also, it's a cheap and easy fix. I'm handy but not a pro by any. 2011 Chevrolet Malibu - AC/Heater Blower Intermittent Hello, for the past few months I've had a weird issue. It is necessary for your comfort to have the blower working consistently. 5 wagon started the intermittent squealing about year ago. It is completely random when it comes on. Chevrolet Silverado 2014-Present: Why Does My Blower Motor Not Work? Whether it's hot or cold, you expect your Chevrolet Silverado's AC or heater to take care of you. Sometimes it will work fine for days adn then other times it won't work for a week. So I worked on taking it out by loosening some screws. My 98 750 heater blower motor works when it wants to. Where is the front blower motor relay located on the 2011 Traverse? Have a front blower motor that is intermittently working and has now stopped. Basically, the blower motor does not start until car warm-ups (takes 5 - 10 minutes when outside is around 0 celsius ) and after it works absolutely normal. 5 wagon started the intermittent squealing about year ago. With that said, if the blower motor doesn't work at all it's also common to find a defective blower motor relay. Blower motor works intermittently. I have a 99 ford ranger that the motor has stopped blowing. chrysler forum at Car Dealer Forums; Hi I'm re-posting this query because I think you guys in the USA may not. This often presents itself as the blower fan not kicking on until the engine is producing a certain level of electric current. The second problem SOUNDS like-- The Infamous Blower Motor problem. Blower motor also may run with the key off. 2011 BMW 750i or 750li ac blower replacement or location junior joseph. I could wiggle the wires going into it, and change the speed of the. The resistor broke and was not letting the fan operate correctly. Detailing Dirtiest Car Ever! DIY Blower Motor Noise and Replacement on a BMW 5 series F10 chassis - Duration:. The fuse is fine. This problem is noticed on many car models. Blower motor quit working on my Pontiac Grand Am 2001 v-6 engine. Other times I get in and start it up and it works great. So The blower motor and resistor are not the problem. Blower motor also may run with the key off. When I first Start the Car,the Fan Usually Works,until the engine gets "hot" ,then it either fails,or if I turn Off the Heater,the Fan STOPS working altogetherI tried replacing the Motor Resister,and that did NOT fix the problem. Sometimes it'll work, sometimes it won't. 9 L Cummins diesel). If you notice that there's a lack of airflow from your vents, check your blower motor, resistor, and blower motor connector. The 2004 Pontiac Grand Prix has 4 problems reported for blower motor works intermittently. On most vehicles the circuit typically grounds/completes the circuit through the blower resistor. If the heater motor only works on one speed you should check the resistor. Well if you mean that the air only blows intermittently then you probably have a problem with your blower motor. Remove the glove box and unscrew the resistor from the top of the blower housing. Any thoughts on a good next step check to fix this "no interior blower fan" condition? Best Regards, Laynester I guess that I am a little late to the party on this one but I was wondering something. If I turn it to low then it may stop working. I can leave the car at work all day then drive go,e and it works. Recognizing these symptoms and replacing the resistor returns the airflow through the car to the proper levels. As the relay is the switch that supplies current to the blower motor, if it fails internally, then power will be cut off from the blower motor circuit, causing the motor to no longer function or. The high-pitched sound is usually associated with a slow fan speed, and seems to be worse (louder) when I turn the car to the right. If the motor will just not run, many times the problem can be solved by just replacing the brushes in the motor. One of the first symptoms of a problem with the blower motor relay is a blower motor that does not function at all. When it does work it's fine at. This type of Engines rarely seize, but when they do, it is almost always due to a long period of non-operation. Then jumper the always hot wire to the blower motor. So I put it back together. This is a selected page from the air-conditioning section of the you fix cars website. Get an instant estimate for your car and book a certified mechanic to perform the service at your office, or wherever your fleet may go. The blower motor is usually to blame when the climate control fan suddenly starts working intermittently or only at one speed. There are several symptoms that appear when the resistor of the blower motor is going bad. I took my car into the dealer because the blower motor intermittently doesnt work. The dealer told me that there was a short in the blower motor and that it would cost $500. I purchase a new fan motor, unplugged the wire harness leading into the current (Mounted) blower and plugged into the replacement motor. 2011 Chevrolet Malibu - AC/Heater Blower Intermittent Hello, for the past few months I've had a weird issue. I am having the same problem with the blower motor working intermittently. I suspect it was the cable and thus caused the intermittent issue. Are you facing issues with the blower motor in your car? From frustrating or even noisy operation to no circulation of air, blower motor not working in your car can be an annoying issue. But the few warm days we had they did work. When it happens you can hear the blower motor and it sounds like an electric motor struggling and about to burn out. If the jumper doesn't work, check to see if there is a clear ground (the beeping continuity test). From the relay, power goes to the motor. On most vehicles the circuit typically grounds/completes the circuit through the blower resistor. When it does come on, usually after about 20 minutes of drive time, it blows great. Your blower motor should now function correctly for many more miles to come! If, and when, it decides to act up again, you'll be one-up on your car and will be able to have some semblance of air until you're able to work on it again. If it was an issue with the heater core both side would not have heat. Some of my friends say I need a new blower resistor because that controls the air flow or something and others say blower motor. Average failure mileage is 83,900 miles. I'd replaced blower motor about 3 weeks ago and all was well until it started working intermittently. If so that would prove that the motor is bad. The heater blower works on all settings/speeds then dies away to nothing. You may find, after removing the blower, that the squirrel cage is clogged with so much debris that the motor can't operate. Sometimes it will work fine for days adn then other times it won't work for a week. At times it will come on as soon as I crank engine, at times it will not come on at all. good with a electric DC Volt meter for a fuse box check or blower motor fan "plug going into the blower fan motor" electrical test. Blower motor works intermittently - 2005 Buick lesabre. Blower Resistor Circuit Descriptions. The issue is that my blower motor operates intermittently. The blower motor is up under the dash on the passenger side typically, and usually the resistor is there too. If the blower is working intermittently, and sometimes on "High", that rules out the resistor and the fuse. Knock on wood, it has only been in the afternoons when I leave work so my car has been in the sun all day. I tore everything apart, and curiously found that my blower motor worked upside down (I originally discovered this while trying to diagnose the problem). The dealership never seems to find anything wrong. The blower on my 87 560SL works intermittently. Blows ok for days then nothing. Detailing Dirtiest Car Ever! DIY Blower Motor Noise and Replacement on a BMW 5 series F10 chassis - Duration:. 1 On January 17th, 2008, Jim K said: Sweet! My hvac blower started malfunctioning two summers ago. If that is ok, check for 12v at always hot wire. Blower seems to work fine with heater. The Blower motor on my AC unit turns off at random times while the outside unit continues to run which is causing the coil to freeze up. the blower motor. If the blower works when you change the fuse, you may not be out. The benefits of Toyota Innova rental Yogyakarta are abundant. Not on my smart but in another car, no blower at times-- clicking on and off would sometimes get it to work, not always. You can use either using public transports or… read more →. after i installed both i tried it again. Find out where the power stops. A common symptom of a failing final stage unit is the blower motor not operating in accordance to how the controls are set, as if the blower "had a mind of its own". So as you see it is a 4 year old problem. If the heater motor only works on one speed you should check the resistor. I had no problem changing the blower motor, it was quite easy in fact. If that is ok, check for 12v at always hot wire. There may be a problem with your blower motor resistor if your fan works on one speed, but not on another. Sometimes it will work fine for days adn then other times it won't work for a week. If that works, you know the motor is ok, and its probably the blower switch. i did no longer examine your finished description, even in spite of the incontrovertible fact that it feels like the evaporator coil under the sprint is icing up by a low refrigerant cost. I don’t think it. The blower won't come on for 30-45 minutes after the AC has been turned off, but after that it seems to turn back on fine. Locate the blower motor. The dealership never seems to find anything wrong. So, if you happen to your heaters stops working, you would need to unblock the seized motor, or to replace it. Decided to wiggle the connections first, and tested and it was working again. HVAC blower motor works one time , but then doesn't work the next time. Have the blower motor plug checked with a test light to ensure if there is power to it. Essentially, it works sometimes on all modes but at others it won't work on any mode whatsoever. This will be something electrical, not an A/C problem. Checked the resistor and current is flowing fine. So I worked on taking it out by loosening some screws. Fan makes a small abnormal noise when running and won't reach the highest blower setting when it is working. Now spin the blower motor by hand. The main power supply for the blower motor comes from Fuse 21. After all this time, the blower motor brushes get worn down to nibs. If you're able to determine that the blower motor is receiving power, then the blower may have burned out. When I first Start the Car,the Fan Usually Works,until the engine gets "hot" ,then it either fails,or if I turn Off the Heater,the Fan STOPS working altogetherI tried replacing the Motor Resister,and that did NOT fix the problem. However, in most cases it is a simple problem with a pretty quick and easy fix. Then jumper the always hot wire to the blower motor. I would start with the switch as the culprit. Replace the motor if necessary. Ford Explorer Blower Motor Resistor Your Ford Explorer will be happy to know that the search for the right Blower Motor Resistor products you've been looking for is over! Advance Auto Parts has 12 different Blower Motor Resistor for your vehicle, ready for shipping or in-store pick up. The way mfg get medium blower speeds is by adding resistance. Reasons Your Car Won't Heat | Heater Stopped Working Heat in automobiles is supplied by hot coolant circulating through the engine. They will be able to determine if the car will need a blower motor relay replacement, This article originally appeared on YourMechanic. So as you see it is a 4 year old problem. There does not appear to be any rhyme or reason as to why/when it will cease operation. This could be from a bad blower motor that may need to be replaced to fix the issue. But the few warm days we had they did work. If the resistor is faulty, the motor bypass the resistor and directly sends power to the blower. 30 part for $125, frankly it might have been more than that. If a direct-drive blower is squealing or making a grinding noise, shut off the unit and—unless you’re an accomplished do-it-yourselfer—call an HVAC professional—the motor’s bearings are probably shot. It is located on the blower housing in the engine compartment just below the blower. Problems with a blower motor resistor are common in many cars. (This can be a problem at -30) They had it all day, and tried everything to get it to do it again, but as expected, it worked just fine. Over time and long periods of use, the blower motor's moving parts may get worn out, making the motor fail. Specifically, the new fan motor would not run either. See Footwell blower relay. I'd trade it for a Chevy or Ford as fast as I could. I have found a solution that seems to get it started again. See Footwell blower resistor. Anyway, if you go in after it and replace or repair the blower motor, I would certainly recommend replacing the regulator at this time. I have seen a few postings about this but no photos. It's mounted right next to the blower motor. Apparently a very common problem, as they are back ordered. It arrived today and it is the wrong size (smaller than OEM) and doesn't have the right electrical connector to match the vehicle harness. Heater / A/C Sometimes Doesn't Blow Air This morning I go to start my car to warm it up, the windows are frosted over, it is chilly up here in CT. There are currently 5 responses to "Fixing BMW E36 Blower Fan Speed. The most common symptom of a failed blower motor resistor is when the heater fan only runs at the highest speed setting (4 or 5) and doesn't work at low speeds. I recall during my research that others have had random elecrical problems "clear up" when replacing the BMR. Your blower motor should now function correctly for many more miles to come! If, and when, it decides to act up again, you'll be one-up on your car and will be able to have some semblance of air until you're able to work on it again. With that said, if the blower motor doesn't work at all it's also common to find a defective blower motor relay. How To Fix Your Squeaking/Screeching GM Blower Motor. If I'm driving along and need defrost, that will not work as well. Consider that the purpose of gas furnace is to warm the home, and realize that it is the blower motor that actually takes that heat and directs it from the very isolated, insulated furnace and in to the actual. My question, what does the schematic look like for this motor? It's a 3 terminal motor so I suspect it has an. This often presents itself as the blower fan not kicking on until the engine is producing a certain level of electric current. I'd replaced blower motor about 3 weeks ago and all was well until it started working intermittently. Blows ok for days then nothing. I have the same issue on my 06. Impala | Impala SS Car Forums. At any rate, on my climate control, the blower works only intermittently. Alarm system relay. If your blower isn't working or works intermittently, don't automatically assume you have a bad blower motor. If you can handle this type of work, you can order and replace the motor. Heater / A/C Sometimes Doesn't Blow Air This morning I go to start my car to warm it up, the windows are frosted over, it is chilly up here in CT. It has now quit working. No matter how many times (or position) the fan speed knob is moved, the front blower motor fails to respond. my blower fan does not operate at high speed. If the motor isn't working check for battery power on the pink/white wire at the motor. So the blower motor is not coming on. Blower doesn't work Equinox, no blower or intermittent operation Many owners are having problems with melted electrical connectors that stop the flow of power to the blower motor. the blower motor is on his way out. I'd check the blower motor resistor. The blower sometimes works and other times does not. Specifically, the new fan motor would not run either. I would focus my attention more on the blower motor, Item #20 & test as previously advised. I keep a spare motor and resistor pack around just in case but have not had another issue. I have been having an intermittent blower in the cabin and decided to bring the car into the dealer to have the car looked at. The blower motor does not run at all, can you help? Answer – Usually with a bad blower resistor, the high speed would still work; so I wouldn’t suspect that is your problem. At any rate, on my climate control, the blower works only intermittently. photos by Randy Mullins [Randy wrote me a note thanking me for my article about the blower motor replacement - thanks Randy! He fixed his blower motor instead of replacing it. The car recently developed this problem whereby the blower will refuse to work intermittently. Did this a couple months ago for a few days, then was fine. It controls the grounding circuit and therefore the speed of the HVAC blower fan according to the EATC automatic or manual speed control. When the truck was brand new back in 2009, there was a problem whenever the automatic transmission was put into park. I have a 2015 Grand Cherokee Overland. A furnace blower motor is one of the most important components in your gas or oil furnace. The resistor broke and was not letting the fan operate correctly. Blower motor intermittent opertion. 2011 Chevrolet Malibu - AC/Heater Blower Intermittent Hello, for the past few months I've had a weird issue. Over time, the ground connection can become corroded or loose, causing the motor to function intermittently. 6L is working intermittently. A common symptom of a failing final stage unit is the blower motor not operating in accordance to how the controls are set, as if the blower "had a mind of its own". Mostly it doesn't work since it has been unusually cold here in Texas. They will be able to determine if the car will need a blower motor relay replacement, This article originally appeared on YourMechanic. Blower Motor Installation Got the squeaky blower motor blues? Got an hour and a few torx bits? This is one of the easier DIY projects for a passat. The first two fan settings haven't been working for a while now, I have been living with the second highest and highest speeds for a while now. The main issue was intermittent low power. A faulty blower motor can leave you freezing or sweating, quite literally. Re: Intermittent blower motor operation Nov 07 2016, 11:01pm Well I have the blower motor resistor on the way from Amazon, and I have some fancy aviation electrical contact cleaner, so I'll try replacing the resistor and cleaning the rheostat and see how that works out for me. What it sounds like is there is either debris in the motor or the bearing in the motor is going bad, it has some play in it making it hit the edges of the housing causing it to bind. * Blower motor. A lot of the time in this situation, you can slam one if the doors and it will change the speed of the blower. The Blower motor on my AC unit turns off at random times while the outside unit continues to run which is causing the coil to freeze up. Recognizing these symptoms and replacing the resistor returns the airflow through the car to the proper levels. A4 (B5 Platform) Discussion - Intermittent Failing Heater Blower Motor - I have read many of the threads on this subject and none really layed out a clear solution. I would suspect the blower motor switch. Then every time I got the oil changed there was a recall to work on. Blower Motor Works Intermittently. By opening the cabin air filter door the blower motor will start working again. After all this time, the blower motor brushes get worn down to nibs. If I turn it to low then it may stop working. I've had problems similar to this in other cars and replacing the blower motor or the blower motor resistor seems to be the most common thing, except here it doesn't seem like the motor because it works sometimes, or the resistor because it intermittently works on varying speeds. The first two fan settings haven't been working for a while now, I have been living with the second highest and highest speeds for a while now. My cousin's 96 Chevy did that, after 230,000 miles and 14 years. The blower motor works on only one speed. I go to turn on my defroster and heat and whatnot to get rid of the frost and no air came out. I have been having an intermittent blower in the cabin and decided to bring the car into the dealer to have the car looked at. Air conditioner. A blower motor power module is used on the Automatic Temperature Control (ATC) system, and allows the microprocessor-based A/C heater control to calculate and provide infinitely variable blower motor speeds based upon either manual blower switch input or the ATC programming. And there's even a small chance that there might be a problem with the AC control head that sends the signal to the AC blower control module. i was scouring google for solutions at the time so i could be associating damn near anything with the BMR. I would suggest having a technician, from YourMechanic, come out and replace the blower motor and test resistance on the winding and replace it as necessary. HVAC Blower intermittent. once you first turn the A/C on, the ice starts off to variety on the evaporator coil till it completely plugs it up so air won't be able to pass by any further. all indicators work, I can hear vacum actuaters working & the ac clutch cycles. You need to check to confirm that the blower motor is actually getting positive voltage. If the heater motor only works on one speed you should check the resistor. The first time the problem occurred, I thought immediately, it was the blower motor transistor, so I replaced it, as well as the cabin air filter. What can cause an A/C blower motor in Kia to run intermittently? A faulty blower motor can cause this. I am having a problem with the blower motor fan not working. The blower motor is up under the dash on the passenger side typically, and usually the resistor is there too. Intermittent electrical problems can be tough to isolate sometimes. The blower motor only works on one speed, usually high The problem isn't the fan or the motor, but the resistor. Assuming that the motor hasn't been maintained since new, at the age of your car, its very likely that the brushes are on their way out. Any help would be greatly appreciated!. A faulty blower motor can leave you freezing or sweating, quite literally. 1 On January 17th, 2008, Jim K said: Sweet! My hvac blower started malfunctioning two summers ago. If the resistor is faulty, the motor bypass the resistor and directly sends power to the blower. Here you can see the blower motor and the blower motor resistor. Blower Motor Installation Got the squeaky blower motor blues? Got an hour and a few torx bits? This is one of the easier DIY projects for a passat. The main cause of intermittent blower motor failure for your AC is the blower motor itself. It's very possible that one has gotten into your duct work and is causing all the problems. I lifted the hoop and located the blower motor on the passenger side. I had the warranty work done. Blower seems to work fine with heater. I'm currently having this problem. It worked for a few days, then the blower motor stopped working again. Blower motor is working intermittently. the blower motor is on his way out. There does not appear to be any rhyme or reason as to why/when it will cease operation. You could get a multimeter out and check the supply voltage but I'd expect that to be good. This will be something electrical, not an A/C problem. I've been told I should replace the blower motor ($500 parts and labor). Search engine seemed to consistently only bring up "part-out" threads when I searched "blower motor"? Anyway, '98 328is. Step 5 - Replace blower motor resistor. Replace the motor if necessary. What it sounds like is there is either debris in the motor or the bearing in the motor is going bad, it has some play in it making it hit the edges of the housing causing it to bind. One of the first symptoms of a problem with the blower motor relay is a blower motor that does not function at all. The first time the problem occurred, I thought immediately, it was the blower motor transistor, so I replaced it, as well as the cabin air filter. I swapped the blower motor relay with another and it works great now. I would check into the Blower Motor Resistor. I've used this site many times for other problems but I just officially joined. If fuse is ruled out the simplest is the blower motor resistor. How to Test and Replace Blower motor on car? Power windows works intermittently? DIC says "COOLING FAN FAULT"? Diagnostic Code P0540 continue to return and the M. I've recently been experiencing an intermittent HVAC fan in my 2009 Honda Civic EX. Mechanic's Assistant: Have you checked the coolant level? Has there been any leaking from the hoses? Yes those are fine.