Blown Water pump

[Clare Snyder]

David A. Cooley wrote:
> 
> Several things...
> Was it a rebuilt pump?
> I went through 4 rebuilts in a month then broke down and spent the extra
> $20.00 for a brand new water pump... No more problems.
> Another item is the belt being tensioned too tight... this will wear the
> water pump bearings very quickly and cause the shaft seals to leak...
> Another option is if the trucj\k has a mechanical fan on the water pump,
> ensure it's not bent or out of balance (missing a blade...)
> Later,
> Dave
> 
> -----Original Message-----
> From: Paul Tholey <pft101 at psu.edu>
> To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
> Date: Wednesday, September 16, 1998 9:52 PM
> Subject: Re: Blown Water pump
> 
> >One possibility that I thought of, but never encountered like you, is a bad
> >pulley.  It may be glazed and not turning 100% or out of balance.  I am
> >assuming a non LT1, and serpentine.
> >
> >Paul
> >
> >
> >At 07:53 AM 9/13/98 -0400, you wrote:
> >>Sorry about the non group related content of this message, but I need
> >>some great minds.
> >>About two weeks ago I replaced a water pump on a small block V8
> >>chevy1993 the customer said he had changed one some time back but I did
> >>not bother to ask how long ago. He shows up today and the new pump
> >>(2weeks old) is leaking again through the same breather hole in the
> >>pump.  When I replaced the new pump I also replaced thermostate & rad
> >>cap all AC Delco.  He now gives me the history ..... this is the third
> >>pump in less than 9 months.  I am lost for ideas.  Is there a GM
> >>bulletine covering this defect or is something wrong elsewhere.
> >>
> >>Martin
> >>
> >>
> >>
> >
> >
Water or antifreeze? If you are in the balmy south and the owner is too
tight to buy antifreeze, he WILL buy pumps. The antifreeze lubricates
the seals a lot better than water does.
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                           Clare Snyder
                         Waterloo, Ontario