The radiator fans work sometimes and sometimes they don`t, which makes the car get hot. I turn on the air conditioner and both fans work for a little while and then they stop working. with the air conditioner off the regular radiator fan does not work at all.
Fans won't work?
If your engine is overheating, Try this procedure:
Unless you are in a very hot climate, with no air con working the radiator fan does not normally come on.
Both fans work,but sometimes they stop working. could it be a relay or sensor. So the car gets hot. The car is a 1993 plymouth colt vista.
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SOURCE: Kia Rio - Heater not working fan works but noise coming from fan.
open glove box and make sure that none of the papers from that can get down to blower motor
SOURCE: 2001 honda accord, air conditioner is not working,
one fan is for the a/c it will cycle on when the a/c is turned on the other fan should be linked to the temperature sensor. check your fuses if you haven't already. then check your temp sensor. i'm not sure on a honda but most newer cars have multiple sensors so you will have to find out which on is for the fan. also you need to find out if the fan is controled by a pcm as some new model cars have almost everything controled through the powertrain control module
SOURCE: radiator fans stopped working
Disconnect the negative terminal before working on the fans!!!!
Both fans have individual plugs located at the bottom of the fan, they are merged into one plug located on the right side near the bottom of the rad, on the battery side of the engine compartement.
Make sure the faulty one is securley plugged in. Since one fan still works this rules out blown fuses or a bad relay (relay is located under a plastic cover under the drivers side headlamp). If the plugs feel secure there may be a break in the wiring harness. The best way to properly troubleshoot this is to remove the whole fan assembly. It's not that bad, You need to remove the steel cross brace, it has the VIN plate on it. Then remove the filter assebly going to the intake manifold. Then the five screws that hold the assembly onto the radiator and the two clips on the top that clip it to the rad. There is a u shaped bracket attached to the bottom of the assembly that the lower rad hose rests on. It is in the middle of the assembly at the bottom. This must be removed before so the assembly can be lifted out but it's easier to move the rad hose out of the way first which means you will have to disconnect it from the water pump from the bottom of the vehicle, use a large channel lock to remove the compression clamp on the hose and pull the hose off the pump and drain the coolant. Again not as bad as it sounds and it will give you a reason to change the coolant. Once the rad hose is free to move out of the way, this u shaped bracket can be removed from the assembly by turning it side ways, it has an oval locking button that will allow it to be removed and it will come off the assembly. Just take your time, it's a tight but very simple set up. Once the assembly is out you can put 12v power to the individual plugs for the fans. BE CAREFUL OF THE SPINNING FANS THEY ARE RAZOR SHARP!!! If the problem fan spins, there is a faulty wire in the harness. The wiring harness may be replaced but the fans cannot be replaced in the assembly, thanks to brilliant Chrysler enginneers, if it dosen't spin the fan is probably damaged and the assembly needs to be replaced, your can find a whole assembly at a scrap yard for really cheap. I did all this in a couple of hours.
SOURCE: air conditioner blower fan stopped working
does the heat still work if not it might be your blower motor
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