07-03-2012, 02:23 PM
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Hummer Authority
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Join Date: Jan 2008
Location: Gaithersburg, MD
Posts: 1,763
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Re: What the heck is this sound?
Quote:
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Originally Posted by Joe
almost sounds like a broken exhaust manifold bolt. Check the rear one(s) drivers side. Sounds is a bit different then mine, which has this issue, but guessing that is the cause.
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