Auxillary fan keeps running

What is your question?

ok replaced fan,coolant temp sensor, still running constantly,and loudly too???? Any suggestions???

Feb 12, 2011

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RepairPal Certified shops can diagnose and repair your 2004 Mercedes-Benz C240. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

Popular Answer

Auxillary fan keeps running

What is your question?

ok replaced fan,coolant temp sensor, still running constantly,and loudly too???? Any suggestions???

sonkist in Lake Forest CA

Feb 12, 2011

1 Reply

Popular Answer

Dave_sab.on Feb 12, 2011

Check the fan relay. They can go bad causing fans to either stay runing or not come on at all.

sonkiston Feb 12, 2011

where is the fan relay?? and do you have illustration of what it looks like??

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Popular Answer

What are the best Mercedes-Benz repair shops?

RepairPal Certified shops can diagnose and repair your 2004 Mercedes-Benz C240. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.