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roger.clark2 roger.clark2
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7 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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bolbolbolbol
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2 years ago
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roger.clark2 Author
wrote...

7 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
veronee_madison
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Yesterday
You make an excellent tutor!
ouasfoudgewu
wrote...

2 hours ago
Helped a lot
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