i am in the middle of installing a water pump and will put it on and get everythign back together tomorrow but i pulled apart the old water pump and the blades looked fine waht exactly goes wrong with the pumps?? Any input would be greatly appreciated!

 

Bearings go, seals go, coolant leaks.

 

thanks shoebox ur allways a help i was just wondering becuase i opend it up and didnt see anything wrogn but i did notice when i turned the pellar it made a noise.