Question about 2003 Chevrolet Impala
I assume you mean the radiator cooling fan inside the engine compartment? That is controlled by the temperature sensor. If it is unplugged or has gone bad, the fan(s) will run continuously. To locate the sensor, follow the upper radiator hose down to the intake manifold. You should see a brass sensor to the left of the hose going into the bottom front of the intake. The wiring and sensor may be covered with a heat shield. Check the wiring to verify it is plugged in and/or does not have corroded terminals, otherwise, replace the sensor. It is a brass looking fitting, sort of resembling a spark plug.
Posted on May 17, 2014
Testimonial: "no I did not mean the radiator cooling fan I meant the interior heating climate control/AC. When the car is completely shut off the fan continues to run and drains the battery. Any suggestions?"
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Posted on Jan 02, 2017
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