Loud Pump Noise?

[matt4x4]

It could be one of a few of things:
1. impeller is loose - check for play of impeller
2. bearing going bad
3. Something inside pump chamber - check for a pebble or something similar

[Poconos]

There is a duplicate thread located here:

http://www.poolforum.com/pf2/showthread.php?t=7572'

so I'm locking this one.
Al