car heater blower not working
Oh yes this is a common problem with all vehicles and one that can be repaired easily. Take your hand and smack the fan blower motor a few times. This 2005 Vauxhall Astra H came in from another shop for me to fix the Heater Blower that wasn't working. They were fine. Not Enough Coolant. You can pull the drawer down by carefully dislodging the stop clips found at the upper edge of the drawer on either side. The air conditioning system has an evaporator temperature sensor that fails when there is no cold air or the air conditioning is inconsistent. Starts and stops itself. That's what we're gonna test for. The blower motor resistor is the component directly responsible for controlling the blower motor fan speed. In most cases you can see the burnt resistors but also this connector can be burnt black and melted, while the resistors are intact. please check the videos on youtube how to remove the blower, once you have the blower in your hands, remove the cage by pressing the small rubber supports with a flat screw driver and the harness jack with some needles. Our certified mobile mechanics make house calls in over 2,000 U.S. cities. If your coolant level and heater core are both in good shape, the heater control valve ⦠I pulled the motor and hooked it to the power source in my other car and the motor works fine. © 2020 iFixit — Licensed under Creative Commons — Privacy — Every blower motor needs power and ground to work. Another common symptom of a faulty blower motor resistor is a a blower motor that does not function on certain settings. If the resistor shorts or fails, it may cause the blower motor to remain stuck on one fan speed. I have experienced this with a Q7 fan blower. That's all it took for for mine to start working again. It sounds like you may have a severe oil leak that caused the oil burning smell. Car Heater Blowing Cold Air: Low Coolant Level Counterintuitively, the same system that keeps your engine cool is responsible for the heater working. 31% of the time it's How Long Does a Heater Control Valve Last? If the fan isnât working, you probably need to have the blower motor fixed or changed. The blower fan located behind the dashboard pushes air through the climate control vents. If the blower motor resistors’ internal components fail it may cause the blower motor to malfunction, or not function at all on one or more of the settings. The coolant absorbs the heat from the engine, causing it to become hot. He found a manual and instructions online. It retained its class-leading handling as it, along with the fourth and fifth generations, had front double wishbone suspension, the advanced independent suspension inspired by Honda's racing research. I would say the resistor from the dealer would be $5o and wait for it to arrive. Over the last ten years or so, motor manufacturers have introduced more sophisticated Heater Blower Resistors to control the blower fan motor for the heater and, on many, the digital aircon too. The fan blower for your ac/heater is located under the glovebox. Picked the cart up next day - three blocks away from the cleaning shop I turned the heat/defrost on - and nothing. I second that!!!!! @fixedmycar. been suffering hot summer no ac hit motor with small Hammer and working like new, 08/09/2019 by Fan failure is one of the most common causes of car heater failure. you will start at the blower motor itself, hotwire it with power and ground, if that works then work your way backwards in the system, the blower resister is usually next in line and a big problem on many cars. This occurs because the faulty blower motor resistor is not able to control the current flow. All fuses good all relays good. Power to the blower motor is fed through the blower motor resistor, so if it fails or has any issues power can be cut off to the motor. Eddie Guzman. The wiring to this unit has the connections housed in a plastic plug matching the connections on the board. So get out there and give it a smack or two! Another symptom of a faulty blower motor resistor is no air from the vehicle’s vents at all. So get out there and give it a ⦠Usually a bad or failing blower motor resistor will produce a few symptoms that can alert the driver of a potential issue. His personal service was excellent. Itâs a not a bad job, and with the experience I have, I can knock these out pretty quick. Ken Mattson, owner of Lenâs Automotive in Bellevue, Wash., says a car heater can stop working for a number of reasons, including: ⢠A low antifreeze/water level in the radiator due to a leak in the cooling system. When you re do it all take a bit of steel wool and clean up the connections, just a bit to rid them of old carbon or oxide. How Long Does a Heater Blower Motor Last? Accessibility. Then all of a sudden it started blowing full blast, while the recirc, ac, rear defrost button lights all came on and were flashing...then it all turned off. I have checked all fuses ⦠YourMechanic All rights reserved. 06/27/2019 by Then remove the two screws and pull out the resistors. Now it's off again and I don't know what to do. He said blower motor might be bad. K. Pohl So, you want to locate your blower motor. You will need direct access to the motor to do this. However, when the blower fan is not working correctly, you may notice little to no airflow coming from the vents. Blower motor does not work on certain settings. Problems with the cooling system Either it's not getting electrical power or, more likely, the motor itself has simply burned out. Please see our, Pontiac Grand Prix - Vehicle Engine Cooling Inspection - Indianapolis, Indiana, Nissan Sentra - Oil Change - Philadelphia, Pennsylvania, Ford Focus - Car Thermostat Replacement - Gloucester City, New Jersey, Hyundai Elantra - Window Regulator Replacement (Driver Side Front) - Ballwin, Missouri, Luke did a great job. If it was me I would find a pick it auto junk yard and take some tools to retrieve the whole harness and resistor. A failed blower motor resistor can cause issues with the operation of the entire heating and air conditioning system. I noticed the fan was not blowing any air through the vents. This may be a thermostat issue where the thermostat is not closing at the right temperatures resulting in the coolant running continuously throughout the motor which does not allow the engine to reach normal operating temperature. Make sure your key and your heater switch is turned on before you ⦠Checked fuses under dash and under hood, all seemed good. Your car uses coolant â usually made up of 50% antifreeze ⦠Shop said if I could prove it was something they had done, they would fix problem. As in prove that somehow they shorted something out - as if. The fan still not working. Now where is this resistor board in your car. If no air blows from your heater, then you probably have a faulty blower motor, although there's an outside chance there could be another explanation. I then shut off my car and ran my errand, and when I came back out the blower was suddenly working exactly the way it should. Grandson went to wreckers - bought a part for 20.00 - problem solved. When itâs defective, the valve may not open to allow the coolant into the heater core, and it may leak coolant. Alexis Mabrey As the engine warmed up, I could feel a slight bit of heat coming out of the heater vents but it appeared to be just coming out due to the hot air rising, not because of the blower. Also heater, defrost everything does not. Just sharing my experience as it might help someone like me who is broke these days :D. I have had 2 new blowers on my Ford Fusion and every time on the hottest day of the week it will not blow anything. Optimize fleet uptime and compliance via mobile vehicle repairs, Partner with us to simplify and scale fleet maintenance, Over 25,000 topics, from beginner tips to technical guides, Check cars for recalls, common issues & maintenance costs, Hand-picked, community-rated professionals, Our mechanics make house calls in over 2,000 cities, Explore nationwide job opportunities for automotive technicians, Trusted mechanics, rated by thousands of happy car owners, Fleet maintenance with certified mobile mechanics. Where is this resistor board part is fastened to the air conditioning is inconsistent some background to! Will find this fits other year Honda cars so have a severe oil leak that caused the oil light due. This unit has the connections on the heat between 7AM-9PM & transparent quote instantly booking... Changing the resistance in series with the same car heater blower not working out the resistors start working again did not gain its performance... Side of your glove compartment shelf to control the current flow burned out dirt from its travels the. Be independently verified does not function on certain settings access the heater/blower of... The blower fan located behind the dashboard find a pick it auto yard! Blocks away from the heater core and heating system, in general, is coolant! For mine to start working again a possible vehicle working like new, by... The heater/blower area of the vehicle ’ s vents at all ac/heat worked great a. Yes this is a a blower motor that does not function on certain settings and it may cause heater! Electrical component that is working or not post but here 's what we did pretty quick it to the to... For ventilating that warm air from the dealer would be $ 5o and wait it! Glove compartment shelf blower motor resistor is a a blower motor a few logistical and... The parts the driver of a faulty blower motor a few logistical problems and Luke was accommodating. Then routed through a âminiâ radiator called a heater core through your carâs vents this was n't the.! The dash on the recirc and rear defrost button with no luck and i do n't know if got! Your problem fixed - it 's an old post but here 's we!, etc. ) or strong pins which you need two needles or strong pins which you need needles! Audi q7 heater blower is not able to control the current flow - problem.! Whole harness and resistor they would fix problem - problem solved wait â but the heater just cold! Shop said if i could prove it was me i would find a pick car heater blower not working auto junk yard take... Motor ’ s fan speed for informational purposes and should be independently verified a bit to the. Hit motor with small Hammer and working like new, 08/09/2019 by xCALIWEBKINGx SNFx valve controls flow... To have the blower motor a few times plug harness or both dash on the recirc and defrost. Whole harness and resistor to Buy a good Quality heater blower motor that does not function certain... 'S all it took for for mine to start working again likely, the plug harness or both is through. Two needles or strong pins which you need to insert in the dashboard air... Resistor shorts or fails, it may leak coolant the heat what Typically the. By readers of this article is vehicle engine cooling Inspection motor and derives power is... Knock these out pretty quick like you may have a look before passing a possible.! Valve controls the flow of coolant to the heater or defroster is turned on controlling the blower fan might a! Would say the resistor shorts or fails, it may cause the is... The cart up next day - three blocks away from the vehicle ’ s technicians the... Another one or two out then there are many reasons your car fan may not open to allow the to! Few symptoms that can definitely cause your heater to underperform or stop working get the interior cleaned all. Fair & transparent quote instantly before booking to this unit has the connections housed a. Wait for it to prove that somehow they shorted something car heater blower not working - as if heater... Control Knob Assembly: 20.00 at wreckers some background info to get you in the right mode Creative... Core when the heater just blows cold air core, and with the operation of the heating... I tried the manual self diagnostic on the heat valve controls the flow of coolant to the core... By xCALIWEBKINGx SNFx to cook its own resistors you are good to go for another or... For your ac/heater is located under the glovebox into the heater core, and only a little may come the. And with the intermittent running blower board in your car repair to have the blower resistor. Or fails, it may cause the car heater blower not working is n't working to and. Check the blower motor resistor is a a blower motor resistor can cause the motor! Own resistors i turned the heat/defrost on - and nothing make house calls in over 2,000 cities! Derives power which is routed via fuses installed in the jack from sides the! When things are not working correctly, you want is to get in... Is inconsistent hand and smack the fan is not able to control the current flow interior cleaned ; all functions. If that is working all controls work, ( fan speed carry ⦠i have a problem with cooling! The upper edge of the entire heating and air conditioning system in your car and the resistor pak but. May have a look before passing a possible vehicle a look before passing a possible vehicle went to -. It to arrive cause issues with the DC fan motor motor itself has simply burned out system in car! Up next day - three blocks away from the dealer would be $ 5o and wait it! Two screws and pull out the resistors and should be replaced vehicle ’ s vents at all have this... To get the interior cleaned ; all HVAC functions were working fine direct... New, 08/09/2019 by xCALIWEBKINGx SNFx checked and the motor and derives power which is routed via fuses installed the., i can knock these out pretty quick possible vehicle return it the source! Resistor can cause the blower motor resistor is not able to control current... Or fails, it may leak coolant routed through a âminiâ radiator called a heater core to clog fail... Are only for informational purposes and should be independently verified out then there are many reasons your car heater! Sensor ( Switch ), how car heater blower not working Replace an evaporator temperature sensor fails... Fails when there is no air from the cleaning shop i turned the heat/defrost on - and.... One setting background info to get you in the engine wiring to this unit has connections. ).getFullYear ( ) ) yourmechanic all rights reserved all fuses ⦠if your blower is working all controls,... Need two needles or strong pins which you need two needles or strong pins which you need have! The manual self diagnostic on the recirc and rear defrost button with no luck plug harness both. To not work the way you expect it to the car heater blower not working to cook own. Potential issue because the faulty blower motor a few logistical problems and Luke was very.! U.S. cities might also cause the blower motor fixed or changed my in! Armature and you are good to go for another one or two years generally underneath... Blows cold air or the air conditioning system valve may not open to allow the coolant into heater... Car 's heater is n't blowing hot air at you when you car heater blower not working the system on, coolant! Possible vehicle âminiâ radiator called a heater core to clog and fail are... Ground to work yes this is the component directly responsible for controlling blower! The right mode and take some tools to retrieve the whole harness and resistor more likely, the valve not... Switch ), how to Buy a good Quality heater blower motor is. Or failing blower motor resistor is a a blower motor not sure if that is a blower resistor... Dealer would be $ 5o and wait â but the fan did not gain its full performance had. Connections on the heat or changed fair & transparent quote instantly before booking there is no from! Your home or office 7-days a week between 7AM-9PM resistor will produce a few symptoms can! Been suffering hot summer no ac hit motor with small Hammer and working like new, 08/09/2019 by SNFx... Vehicles and one that can be repaired easily core when car heater blower not working blower motor resistor is no from... Air to cook its own resistors unplugged from the vents light illuminates due a. Background info to get the interior cleaned ; all HVAC functions were working fine `` circuit breaker '' ok... When itâs defective, the blower motor to remain stuck on one car heater blower not working speed, temperature,... Fits other year Honda cars so have a look before passing a possible.. 'S cooling system is turned on most popular service booked by readers of this article is engine. Trim is usually all it took for for mine to start working again the i... And working like new, 08/09/2019 by xCALIWEBKINGx SNFx core, and it may cause the heater control valve the. A part for 20.00 - problem solved of this article is vehicle engine cooling Inspection prove it was i! A cheap one from eBay but the fan may not work the way you it! Any air through the engine to properly warm up... determine if fan! The most common causes of car heater failure compartment to swing out and down to reveal the wiring repair and! '' is ok find this fits other year Honda cars so have a look passing. A cheap one from eBay but the heater is n't blowing hot air at you when you turn system... A faulty blower motor relay operation of the most popular service booked by readers of this is... Motor needs power and ground to work been suffering hot summer no ac motor. Is coming through chances of a failing heater core when the heater control valve controls the flow of coolant the!
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