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Discussion Starter #1
Does anyone have a diagram of a 2000 4.7 cylinder head ? I have a horrible whine and I’m looking into the cam. It’s only whining on the passenger side. Any help would be greatly appreciated!
 

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Discussion Starter #3
Yes still whines with the serpentine belt off. I hollowed out my cats and whines 90% gone. One cat, the catalyst was in pieces and rattling.
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