2003 CHEVY IMPALA RADIATOR FAN NOT WORKING

  • Tiny
  • fahrfi
  • 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?

Monday, July 19th, 2010 AT 2:14 PM

1 Answer

  • Tiny
  • bluelightnin6
  • Expert
  • 17,063 posts

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.

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Monday, July 19th, 2010 AT 9:01 PM

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