Question about 2006 Chevrolet Blazer

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Chevrolet Blazer sound

About a minute After I turn off my car I hear a "bang" sound coming from the car, where is the sound coming from? Is something wrong with my car?

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The origin of this noise is the muffler, it's outer shell expands when it gets out, once you switch off the car it rapidly cools down, and that causes the noise you here.

Posted on Jul 23, 2008

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