Re: 560 Knocking

Posted by Hugh MacKay on April 29, 2004 at 17:51:12 from (209.226.247.25):

In Reply to: 560 Knocking posted by Nebraska Cowman on April 29, 2004 at 16:22:07:

Cowman: I saw a 560 once with 282 diesel, would develop a sharp knock and gradually fade away. Turned out to be rings breaking up and coming to top of piston. After they got beat up enough they blew out the exhaust. They claimed there was no rings left on no. 2 piston when they removed it. I saw the top of piston when they dismantled it, had some quite bad scars on it. He said you could hear and see the metal going out the exhaust.

One I had happen myself was a bent valve push rod on 656 with 282 diesel. I don't think that one will go away. The interesting part about that one is the noise is worse right out in front of radiator. Over the years I have heard that one couple of time on other tractors, and in each case it sounded the worst out front. I also heard it on a pickup and the only place you could hear the noise was standing in front of truck.

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