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G-MAN
10-07-2003 10:48:32
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Re: Re: Re: 3020 Engine problems in reply to Rob, 10-07-2003 10:05:58
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Offhand, I would guess a lack of oil pressure. A rod bearing is ususally the first to fail when that happens to a Deere engines. The 6404s, 6466s, and 6076s usually eat #4 first when that happens, but I don't know the 4-bangers like your 3020 take out. I would guess either #2 or #3, though. At any rate, this is probably not going to be a patch-together fix. If the bearing did actually spin in the rod, your rod big-end is probably oversized, and will either need to be resized or completely replaced. You could put a new bearing in it and see how the clearance comes out, but that would be mighty iffy, in my opinion. You might get by with just idling around with it, but even money says that in a high-load situtaion, such as disking or grinding, it's going to fail again, especially with a turbo involved. It could last 1 hour or 1000 hours. It's your money and your call, and I cannot in good conscience tell you to slap it back together and run it. At the very least, have somebody with good Deere knowledge or a machinist look at it before deciding.
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