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roger.clark2 roger.clark2
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8 years ago
A vehicle is producing a sharp, metallic rapping sound originating in the upper portion of the engine.  It is most noticeable during idle.  Technician A says the problem is the piston pin to piston pin bore clearance is too high.  Technician B says the problem is most likely a loose crankshaft thrust bearing.  Who is correct?
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clovebcloveb
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3 years ago
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roger.clark2 Author
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8 years ago
This site is awesome
kaytee23
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Smart ... Thanks!
ezsancheezy
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2 hours ago
This helped my grade so much Perfect
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