Question about Pontiac Grand Am

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My coolant fan does not go on when the temperature goes over 200 degrees which it should and when I turn on the AC both coolant and AC fans go on. So, when my temperature does go up I need to turn on the AC to keep the temperature at normal a temp. Can you please tell me what could be this problem and what is it that I need?

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  • Pontiac Master
  • 14,036 Answers

SOUND LIKE A FAULTY COOLANT TEMPERATURE SENSOR.

Posted on Aug 24, 2010

Testimonial: "Thanks, I kind of thought that was the problem but when checking with a auto parts store they said coolant fan switch but my car does not have that."

  • Jonah Oneal Aug 25, 2010

    YOU NEED A COOLANT TEMPERATURE SENSOR.WHEN CAR GETS 190 - 200 DEGREES. THE COOLANT TEMPERATURE SENSOR RESISTANCE WILL DECREASE CAUSING COOLING FAN TURN ON.

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