Just picked up my jetta from the dealership due to a power wire malfunction on the ecu 564 repair.
Vw jetta radiator fan not working.
It is the one that runs when the engine needs more cooling.
The fan should start running at its slow speed.
This switch is configured to work based upon the temperature of the engine.
The vehicle was taken to dealer where it was diagnosed that the cooling fan malfunctioned and the leak was a caused by faulty purge pressure sensor.
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The contact also noticed a leak in the vehicle.
Volkswagen 2002 jetta tdi question.
I have the same problem going on with my 2000 vw jetta that the cooling fans stopped working one stopped then the other about a month later.
The small fan is for the a c condenser it runs when the a c is active.
Upon pickup the mechanic said the auxiliary fan is not working and main fan is running slow.
To make it run or see that you have a problem turn on the a c and put the fan at a non zero speed.
A coolant fan switch is a small and very simple switch comprised of typically two wires.
The big fan provides cooling air for the main radiator.
The contact owns a 2008 volkswagen jetta.
When driving various speeds the check engine light illuminated.
The vehicle was not repaired.
Cooling fans were not coming on customer had replaced the cooling fan control module the day before but missed a issue with the wiring.
Fuse box on top of battery went bad replaced it both fans began working again.
2007 auxiliary cooling fan not working 4 answers.