Question about 2000 Buick LeSabre

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Lots of cold air from 2000 buick la sabre

After warming up the engine ( gauge moves warmer) the heater only blows cold air.

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  • mkasbohm Feb 10, 2009

    I added about a liter of water and the heat is back. thanks so much for you advice.

  • bomps Feb 23, 2009

    the water did not help would flushing the system help

  • Jerry Koski
    Jerry Koski May 11, 2010

    Either your air locked in the engine or its low on water/antifreeze. have you added any recently or had the system appart for any reason ? if so it could be its got air in the system needing bled off somewhere. also if its low on water and the overflow is low it wont heat.. check this first please Jerry

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Be sure to keep an eye on your coolant level. If there's a leak, then it'll just get low again and return with no heat. There'll also be a chance on overheating your car if it's low on coolant.

Make sure if you're adding water, that it's DISTILLED water. It's free from impurities and will be much better for your system.

It's actually recommended to use 50/50 diution of antifreeze and distilled water. You can buy this already pre-diluted, which is easiest. Or you can buy the full mixture of antifreeze yourself and mix it 50/50 with the water.

Posted on Feb 10, 2009

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