I know there are some people here with experience on this. I operate a fleet of Cat 3512 engines (12 of them) and outside of one other jacket water pump failure I have had one engine have seal failures 4 times since it's top end overhaul (15,000 hours). I'm about to eat the core cost and disect one of these pumps. Is there anything anybody else recommends looking at? The pump has only a thrust bearing, the radial bearings are in the drive gear and I really don't want to tear into that especially when the engine will be replaced in 6 months.
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