Why is the radiator cooling fan not turning on?
On your model, this module is separate from the fan assembly. Usually they malfunction. ECM sends control signal to this module depending on the engine temperature. Theoretically temperature sensor can be bad, but in this case engine performance would not be satisfactory as well. OK here is the scoop……
What to do if your cooling fan relay is failing?
For this reason, if you suspect that your cooling fan, or relay, may possibly be having issues, have the vehicle diagnosed by a professional technician, such as one from YourMechanic. They will be able to look over your vehicle and replace your cooling fan relay if necessary.
What should I do if my fan won’t turn?
While the front piece of the fan cage is off is an excellent time to clean out the entire inside of the fan cage. Wipe the cage down with a paper towel to remove the dust and debris. Pay special attention to the back side of the cage because most of it will gather there.
How can I tell if my radiator fan is working?
When a radiator fan works it usually makes a whirring sound that is easily noticeable. However, the radiator fan does not always start spinning on ignition. The ECU signals the radiator fan to work at the precise time. So, do not worry if the fan doesn’t immediately start working. Visually check the fan if you don’t hear its noise. 1. Broken Fuse
What does it mean when your radiator fan is not working?
This is what we call a blown fuse. A blown fuse is no big deal, and changing one does not cost a lot of money. If your car’s radiator fan is non-functional, check your car’s user manual and locate the fuse for the radiator fan controller or the fan.
Why does my floor fan not turn on?
If you turn on your fan and the fan motor hums even though the fan blades won’t move, the cause may be that the gears are stuck. Once you’ve cleaned the fan as outlined in the previous step, try unscrewing the motor housing so you can see the electric motor parts.
What to do when your air conditioner fan stops working?
Check the cord and the inside of your fan for this fuse. If you’re not sure whether you have one or where to look, consult your owner’s manual or search for a PDF of it online by Googling the model number. If you discover that the fuse has blown, you’ll need to order a replacement to get your fan working again. 5. Replace the Cord
What to do if your car fan won’t turn?
Turn your fan on and listen for the engine of the fan. If you cannot hear it then the engine is worn out and you need to replace the fan. If you can hear it, turn off the fan and go on to the next step. Make sure the fan is unplugged. Remove the front piece of the fan cage.
Where is the relay on a radiator fan?
The fan relay is often located in the engine bay’s fuse box, but the best way is to check your repair manual to find where it is located. Testing a 4 pin relay is often very straightforward. Remove the relay and give 12 volts to pin 30 and 85. Ground pin 86 and check if there is voltage coming out from pin 87.
What kind of fan does a Mercedes Benz have?
Category: Mercedes Hi Stan, The fan has 2 wires on it, vin: WDBNG75J8YA084049 . . I guess what I really need to know is the sensor, relay, fuses, etc.. that controll the fan so I can check / measure their function…