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					Originally Posted by  cbjukraine
					 
				 
				Just read diesel giant's pictorial for timing chain replacement.  If something falls into the abyss, wouldn't it end up settling in the oil pan if you rotated the engine slowly by hand?  Then you could remove the oil pan to retrieve?  
 
Or am I over-simplifying this? 
			
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 In theory, everything ends up in the pan.
But, if it jams in the chain on the way down................much safer to ensure that you cannot drop anything down there.