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rpmdiag, Tech and Instructor
Category: Car
Satisfied Customers: 7739
Experience:  Since 1975
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Replaced is ok but the radiator fan is not running

Resolved Question:

it was over heating. replaced thermostat and it is ok but the radiator fan is not running. help.
Submitted: 8 years ago.
Category: Car
Expert:  rpmdiag replied 8 years ago.



Try hooking upeparate power and ground to the fan to see if it actually works or not. If it works that way, then we need to check fuses, powers and grounds. Also the temperature sender and coolant sensor have influence on the fans operation. If the fan did not work when powered up separately, then the fan is bad.





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