Question about 1989 Cadillac Sedan DeVille

1 Answer

The motor fan wont shut off. it still runs when the car is off . what could be the problem. we had to put a new battery in.

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  • forit906 May 03, 2010

    we did just put a ignition cylinder in about 2 weeks ago. the problem just started with the fan. so maybe we have a bad cylinder.

  • Ninja_Rick
    Ninja_Rick May 11, 2010

    maybe faulty key ignition ?....telling it it's still in the " on" position?....does the radio and everything else turn off? might be low on coolant or maybe a blockage in the cooling system, forcing the fan on to try to cool it?

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  • 59 Answers

Looks like the engine temp sensor might be bad causing the fan to stay on or a possible stuck fan relay

Posted on May 03, 2010

  • john quinn May 04, 2010

    the fans are not likely to be staying on because of an ignition cylinder remove the wire connector for the temp sensor and see if the fans stop spinning

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