John;
The theory is the failed bearing released metal particles into the
coolant. This abrasive material will supposedly increase the wear on the
bearing of the new water pump. Knowing all the trouble to it is to change
out I spring for knew coolant. Remember:"There's never time to do it
right but there's always time to do it twice".
Drive Safely & Good Luck
Ken Lewis<Kernersville,NC>86 VW crewcab;60 T-5 Coupe

On Sun, 31 Jan 1999 09:35:46 -0500 "John P. Flaherty"
<jflaherty@PIVOT.NET> writes:
>Ok, I gotta ask. Why is it necessary to replace all the coolant? Mine
was flushed and filled this past summer, seems like a terrible waste. I'm
also replacing the pump on an '84, due to bearing failure.
>
>John Flaherty
>'84 Vanagon GL
>'74 Super Beetle
>

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