Originally posted by Beachboy:
... I've wondered if aggressive driving is somewhat the cause of the premature failures.
I had to replace both of my waterpumps in May due to disentegration, I would dispute your theory based on my cars' usage. Impeller failure seems to start with radial stress cracks in line with the 2 small (anti-cavitation ??) holes.
Shifty:
Cone is
a problem, but not
the problem. Both of mine were firmly in place.