Saddly this isn't the first time I've had this happen. Years ago I went behind a dealership mechanic who told a customer their engine was worn out. Turned out the fuel transfer pump was leaking into the injection pump, which had a stand alone oil sump, dilluting the oil and causing excessive wear on the internals. Got the injection pump rebuilt and the engine purred like a kitten....even though it wasn't a CAT...lol
The customer asked me to run the top end while I was there, so I took a longer look at things on the top end. Funny thing, none of the paint on the injector lines, the hold downs, or anything else was disturbed. In other words there was absolutely no way the other guy had checked anything before he went out on a limb with a wild a$$ed guess and said the engine was shot. Asked the customer how the guy had made his diagnosis but he didn't know. Showed him what I had found and he wasn't very happy with the fact that they would have happily charged him for a new engine in lieu of a simple injection pump rebuild.
That said, I see alot more things 'diagnosed' like that nowdays. I can only guess that the problem is that the modern 'technicians' have little to no diagnostic capability without their trusty laptop telling them which part to change.... Granted I'm no whiz with the new technology, but the old stuff isn't as hard as some think if you actually use your head and think things through.
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Today's Featured Article - Product Review: Black Tire Paint - by Staff. I have been fortunate in that two of my tractors have had rear tires that were in great shape when I bought the tractor. My model "H" even had the old style fronts with plenty of tread. My "L" fronts were mismatched Sears Guardsman snow tires, which I promptly tossed. Well, although these tires were in good shape as far as tread was concerned, they looked real sad. All were flat, but new tubes fixed that. In addition to years and years of scuffing and fading, they had paint splattered on
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