Radiator Fan Wont Turn On

In many cases the problem can be fairly simple and easy to fix.

Why is my macbook air fan suddenly so loud. Radiator fans wont turn on. By richard rowe. 1has the cooling fan actually failed.

Set your air conditioning to the max setting and turn it on. So do not worry if the fan doesnt immediately start working. A radiator fan is important as it helps to circulate air within the engine of your vehicle and keep the engine temperature down.

On many modern vehicles if you want to confirm whether your cooling fan is in working order you can start the engine and let it idle. The trouble code indicated the cooling fan relay was faulty. When a radiator fan works it usually makes a whirring sound that is easily noticeable.

Your cooling fan operates through a series of circuits. If the fan isnt working it could lead to overheating and cause damage to the engine which could prove very costlywhen the radiator fan wont start what can you do. The ecu signals the radiator fan to work at the precise time.

Fortunately these systems are fairly easy to diagnose in the event of failure. Now running tests with the car in park and i cant get it to go past the normal temp about 1980f for my 08 hhr. A cars electric cooling fans are responsible for ensuring air flow over the radiator at low speed and failure will almost always cause overheating while in traffic.

However the radiator fan does not always start spinning on ignition. Visually check the fan if you dont hear its noise. I have a 2000 dodge grand caravan that has 195000 miles.

If the fan does not turn on you will need to replace it. The issue presented itself with a check engine light and the radiator cooling fan not turning on. And when i do turn my ac on the car seems to get hotterit had reached 2300f at one point but i got no lights saying it overheated and i never let it go higher to see.

My radiator fan wont turn on and im stumped. My cooling fan wont turn on when i turn the ac on. Discussion starter 1 apr 24 2010.

In all cases below i tested the radiator fan by turning on the air conditioning thus forcing the cooling fans to run and also. If the radiator fan is in working condition move on to the next step. The computer turns the cooling fan on and off when it receives a temperature indication from the coolant temperature sensor.

Why wont a radiator fan turn on. I found out my radiator fans wont turn on. The cooling fan should come on immediately or within the next couple of minutes.

Radiator fan testing points. When the temperature exceeds a specific value usually 215 degrees fahrenheit the computer will turn the fan on. The ect sensor monitors the coolant temperature and allows the fan to turn on if the coolant is too hot.