Thread: Yukon knocking noise?
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Old 04-07-2009, 06:55 PM   #4
billnorman
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Join Date: Mar 2009
Location: glen burnie md
Posts: 174
Re: Yukon knocking noise?
You might try Seafoam before your oil change. I had similar noise in other-half's car. Half a can of Seafoam; no more noises.
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