COOLING FAN

2000 Mercedes Benz C180

Tiny

cassim dawood

February, 22, 2009 AT 7:04 AM

Engine Cooling problem
2000 Mercedes Benz C180 4 cyl Front Wheel Drive Manual 200000 miles

The cooling fan continues to run even when I switch off the ignition. I had to disconnect the battery to stop the fan. What do I do? How do I disconnect the fan?

FOUND 13549 RELATED QUESTIONS

1 Answer

Tiny

Dr. Hagerty

February, 22, 2009 AT 11:25 AM

The Germans like to use what is called a final stage unit to control electric motors in certain applications such as auxiliary fans and blower fans. It is a potted device that uses semi-conductors and integrated circuits to control the speed of the fan. It is almost always located on the fan assembly itself and usually requires replacement of the entire fan assembly as they often do not sell them as a separate unit. I hope this is helpful to you and if you need more specific data, then I will request our resident MBZ expert to assist you. Dr. Hagerty?

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