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Why does my fan turn on when I start my car?
The job of the radiator is to keep the coolant at the right temperature so that when it travels back to the engine, it is able to take on more heat, and prevent the engine from getting too hot. This is a reason why the radiator fan turns on when the car starts.
How do I stop my radiator fan from running?
My Cooling Fan Won’t Stop Running on My Radiator
- Open the hood and locate the fuse relay box on the driver’s fenderwell. Remove the lid.
- Look on the inside of the lid and for the mapping of the fuses and relays with their location. Pull the cooling fan relay out of the box. Replace the cooling fan relay with a new one.
Why is my Mercedes Benz radiator fan running constantly?
It can therefore be SAM, ECU or Fan controller. It won’t over cool as the thermostat will control the engine temperature. Thanks for your reply there’s no ce light or any warning light on bit worried if it could be ECU that won’t be cheap surly a ECU fault would cause other issues? What is the SAM?
What causes a car cooling fan to run?
If the coolant temperature sensor is damaged or the wiring to it is shorted this will cause the fan to run 2. There is a fault code set in the engine computer that will cause it to operate in a failure mode in that it turns the fan on to be sure the engine will be cooled.
What does it mean when your AC fan doesn’t start?
When the fan doesn’t start even though the AC is turned on, it can be a clear sign that there’s a fault with the motor. When the AC runs without the fan circulating air, it can eventually lead to the evaporator coils freezing over.
Do you turn on the radiator fan when you start the car?
Yes. Since the radiator fan comes on when you start the car I’ve changed the ETCS. Checked the gas. … read more Vocational, Technical or Tra… 2008 SATURN VUE XR. ABS LIGHT CAME ON WHILE DRIVING. FIRST 2008 SATURN VUE XR. ABS LIGHT CAME ON WHILE DRIVING. FIRST TIME IVE SEEN IT SINCE BUYING THE CAR IN JUNE.