When you pull the blower motor, look at the armature, turn the motor so that you see the whole thing and you will see the problem. On applications that have variable fan speeds, the PCM generates an on-off duty signal for the fan motor ("pulse width modulation") that causes the fan to run faster or slower. Read more Browse other content Estimates Ford repair esimates Jaguar repair esimates Isuzu repair esimates Mercedes-Benz repair esimates Geo repair esimates Cities Service in San Jose, CA Service in Palo Alto, When things get hot, like when your car has sat in the sun all day, often electrical issues can show up due to higher resistances and expansion of components. Source
cipriana says: July 13, 2015 at 10:04 am My AC was working fine til today I just started my car an the AC just shut off. I have a dedicated page on how to find electrical shorts if you need more assistance in that area. Usually when you get different temperature air from different sides or areas of your car the problem is with your dual climate control system. It controls the speed of your fan and if it brakes it will only work on high. additional hints
cigroller 2012-02-23 19:24:51 UTC #10 This is quite characteristic of a bad connection at the fan, a bad/going bad fan motor, or a bad switch. If the fan is not working, these units or the wiring to them may be at fault. Sign in to report inappropriate content.
If the Check Engine light is on and there are one or more sensor trouble codes (especially a coolant sensor code, air temperature sensor code or vehicle speed sensor code), faulty Rose says: August 18, 2015 at 10:03 am I have a 2003 ford expedition and when I turn on the AC very little to no air comes out my vents but After a while of this, I started it one day and it did not blow at all. Radiator Fan Not Working Overheating If the fan runs, the fan motor, relay, fuse and wiring are all okay.
I actually made a chunk of jumper wire with a fuse holder in it to use for exactly this kind of thing. Car Fan Not Working Car Overheating I turn the control from off to slow all the way to highest, and... The next component to look at would be the fan speed knob in the HVAC controls and then the actual blower motor to make sure all the wires are connected properly http://community.cartalk.com/t/so-my-cars-fan-stopped-working-a-little-help/71098 If it is broken or out of position it could be causing the cold air from your AC system to be reheated by the heater before it is blown out your
so if we don't maintain it properly then ultimately it gives big cost for us. Radiator Fan Not Working Symptoms Two common reasons for this to happen would be drawing too much amperage or a problem with the resister block mentioned above. BlueDevil Pro says: August 21, 2015 at 12:16 pm Leslie, Thanks for your question about your Chevy. For more information on how to track down the electrical problem, check out our article about that here: https://www.gobdp.com/blog/diagnosing-electrical-problems/.
If your car is equipped with dual climate control it may be a bad module, or a stuck blend door.
by Ed Ruelas on January 04, 2016 ShareTweetPin The blower motor relay is the electrical switch that is used to supply the power for the vehicle’s blower motor. Car Ac Fan Not Working When the blower motor relay does begin to fail, the vehicle will usually display a few symptoms that can alert the driver of a potential problem that should be serviced. 1. Car Radiator Fan Not Working Fan speed adjusts, air is cold but then the fan just stops blowing.
The blower fan motor will be installed into (sticking through the wall of) your ductwork, down by your passenger's feet. Since the blower motor relay is essentially the switch that directly controls power to the blower motor, the entire AC system will be left unable to distribute its cooled or heated Try checking the fuse and relays for your fans to make sure they are turning on when you turn the AC on. it wasn't working for two days and magically it worked today. How To Check If Radiator Fan Is Working
This means when you remove the part you will instantly see that it has melted spots. Worst case, your blower motor itself actually went bad, but that is very unusual. Without it, the AC system will not be able to circulate the heated or cooled air. http://haiteq.com/not-working/carrier-fan-motor-not-working.php Scotty Kilmer 517,687 views 3:03 How To Keep Your Car AC Working Ice Cold - Duration: 4:43.
The fridge should be about 35F and the freezer somewhere just below 32F. Cooling Fan Relay Switch The problem you're having sounds like an electrical issue with your ventilation blower motor. Fuse #40 should be the fan, although the book says AC, it is labeled htr which is heater and generally means the fan.
WhiteyJester 98,951 views 2:47 How To Unclog a Heater Core - EricTheCarGuy - Duration: 9:49. Fixbook 223,473 views 6:22 How to Fix a Car with No Heat (Easy) - Duration: 10:56. On some vehicles with large, wide radiators, there may be two cooling fans, or there may be a separate fan for the air conditioning condenser. When Should Radiator Fan Come On If anything is broken or out of place, the ventilation/blend door may be stuck and causing your problem.
Finding the location of the fan assembly is a good place to start diagnosis. Sign in to add this to Watch Later Add to Loading playlists... Years 1991 to 2005. - Duration: 18:51. http://haiteq.com/not-working/carrier-condenser-fan-motor-not-working.php Get free advice from our top-rated mechanics.
The fact that it doesn't blow at all is an indication that something is wrong with your blower motor.