Question about 2000 Buick LeSabre

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Heater is blowing cool air wont get hot - 2000 Buick LeSabre

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Please see my tip at http://www.fixya.com/cars/r6235876-no_heat_fan_blowing_cold_air . These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me with model, year and engine info.

Posted on Oct 11, 2010

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  • Master
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Your thermostat is sticking. Clean the seat real good and replace with new thermostat. Also, check that your coolant is clean and at the proper level. Also, check that the concentration of the coolant is correct.

Posted on Oct 11, 2010

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Posted on Jan 02, 2017

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P.S. Just thought I'd mention that a pretty good infrared thermometer can be purchased at any parts store for around $40.....This is a very good investment because you can use it for many other things and is a lot cheaper than an hour of diagnostic time at most repair shops.

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