Question about 1994 Cadillac DeVille

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No Heat Not sure if the temperature gage is stuck? Have no heat, but my fan wont run either.

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  • Anonymous Nov 09, 2008

    no heat fan is not running

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  • 32 Answers

Check for a blown fuse than check that the control modual is conected and not damaged around the nobes

Posted on Oct 30, 2008

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Turning on the heat removes heat from the engine as it blows it on you. Make sure first that there are no air pockets in your cooling system as that can cause high temp reading and malfunctions in proper fan engagement. If that looks good test your fan, if it is working then test the fan relay, if it is working test the temperature sensor that gives the relay the go ahead to engage the fan.

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First of all, it doesn't sound like your thermostat is working correctly to keep good hot/warm air coming , so I would change that, or have it changed for better heating inside. If you lift the hood & look in front of your radiator, On the engine side, you'll see a fan attached to, or in front of the radiator. It won't come on until the coolant temperature gauge gets up to proper operating temperature. Without getting in to too much detail, have your thermostat changed, and my guess is everything else will start working as it should, and whoever does the work, should know enough to check the fan operation when they do the thermostat.

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