Question about 2000 Chevrolet Malibu

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Inoperable endine cooling fans

Temp hand has been slowly going up with warm weather on my 2000 malibu..but it seems my engine fans are inoperable...what do i need to do and what possible soloutions are there as replacing relays and sensors can get expensive ther is no check engine light on

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  • yadayada
    yadayada May 11, 2010

    THE FANS ARE DESIGNED TO NOT COME ON UNTIL THE ENGINE TEMP HAS REACHED AROUND 230 DEGREES FAHRENHEIT, IF THE FANS RUN WHEN THE AC IS ON THEN THERE IS MOST LIKELY NO PROBLEM, 230 IS WELL PAST CENTER OF GAUGE.

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  • Master
  • 253 Answers

The fans on your car should come on at 232 degrees, and when the A/C is on for a few minutes. You can swap the fan relay with another from your fuse box that is the same for testing. The most common problem is the ECT (engine coolant temprature) sensor. It is under the throttle body where the upper radiator hose goes into the intake. It is a 2 wire sensor that will be brass and black plastic. That car has another sensor for the gauge. Good Luck

Posted on May 20, 2009

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