I replaced a waterpump about 3,000 miles ago with a rebuilt from Napa,
since then I replaced the engine. I put it all together and it ran great
for about month, then the waterpump sprung a leak around the pulley.  Some
other things I noticed are little bits of belt on the oil tower an on the
timing protrusion,  and the alternator is ever so slightly skew, like about
1 degree, but no little bits of belt on the alternator side.

So, what about replacing the engine can cause the waterpump to break?
Since I have to replace the pump anyway, who is the vendor of choice?

Regards,

J. Naser Motlagh

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J. Naser Motlagh, MBA, PMP