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Q: radiator drain/flush on 2006 Buick Lucerne

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I can not find the petcock on the radiator to drain and flush the sysytem
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The radiator in your 2006 Buick Lucerne does not have a petcock. You will need to remove the lower radiator hose at the radiator to drain the cooling system. Please remember that used coolant is considered a hazardous waste and should be disposed of properly.
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