2003 Buick Century cooling fans not working

Tiny
GORDON321
  • 2003 BUICK CENTURY

Engine Cooling problem
2003 Buick Century 6 cyl Front Wheel Drive Automatic 100k miles

i just replaced the thermostat, radiator cap, coolant sensor, and checked all relays on my car and the cooling fans still aren't coming on when the car reaches normel temp. And then it starts to go past the normal temp and the fans won't come on but when I unplug the coolant sensor or turn the air conditioner on both fans come on is there another sensor, switch or anything else that controls the fans if so what and where is it located. Please respond asap and by the way nothing is stoped up

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Saturday, September 25th, 2010 AT 5:03 PM

1 Reply

Tiny
BLUELIGHTNIN6
  • EXPERT
  • 17,049 POSTS

3 cooling fan relays and an engine coolant temperature sensor are easiest and cheapest on the circuit that could cause this issue. If they have been checked/replaced already than all that is left is the powertrain control module (PCM).

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Sunday, September 26th, 2010 AT 8:19 PM

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