Mechanics

CHEVY RADIATOR FAN NOT WORKING

2003 Chevrolet Impala

Engine Cooling problem
2003 Chevy Impala 6 cyl

'03 Chevy Impala w/ 3.4L. Radiator fan doesn't work. BCM has been replaced. The computer can turn on the fan if it bypasses the BCM. Is there a relay or sensor that needs to be replaced?
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Fahrfi
July 19, 2010.




First check fuses. If OK check fan control relays ( 3 of them, all on bottom side of underhood electrical center). If OK as well then engine coolant temp. Sensor is probably faulty.

Bluelightnin6
Jul 19, 2010.


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