Engine Knocking

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sclayton

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Aug 26, 2006
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I have a 2000 Yukon 5.3 liter. When its at idle, I hear a knocking in the lower left of the engine compartment. I don't know whether its a lifter or not, but I thought I might get some feedback before going to a mechanic and being charged up the ass to hear something totally wrong. Any answers?
 
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