[Vwdiesel] water pumps

[James Hansen]

>                              2)  Judging from the recently discussed 
> failure mode of the stamped-plate type of pump, I was wondering what 
> some of you more experienced mechanics would think about the idea of 
> extending the useful life of the pump by taking a hammer and center 
> punch and dimpling the shaft at a few places around the shaft right 
> where the impeller joins the shaft? 

It would be wasting time by throwing labor into an already defective 
part.  The minimum required modification would be to weld the impeller 
onto the shaft.
Don't let the attractivenes of a low price persuade you to buy junk.
-James