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International Automotive Technicians Network
Re: Unusual bearing wear on a GM 4.3L
Posted to HD/Fleet Forum on 11/8/2000

Hi Jim,

It's a little difficult to see from the pics exactly what damage has been done to those bearings. As suggested, I'd send them out for analysis. it might be a good idea to have the oil analyzed too. One problem I've seen on this system is a stuck egr ... Login to read more.