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2007 chevy trailblazer_lt
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714 Posts
Discussion Starter · #1 ·
Bare with me here. There is a noise only when the air is on coming from under the dash somewhere, and it sounds like a old typical rocking chair on some old wooden boards (literlly) but when I turn it off the noise goes away. The noise is to the point where I can here it pretty well and getting kind of annoying. This has started just about when I hit 30K, there is another issue but I will create another thread for that though... Has anyone heard of this or possibly know what it might be? This happends speraticly.
 
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