Message text written by "Bernie"
>Once again I need to come to the list for advise concerning the
installation
of a water pump, this is the scenario, a friend of mine owns a 1980
Spitfire
the water pump needs replacing , pretty straight forward so far, well here
is
the cliff hanger, I told my friend that after installation of the new water
pump to let the pump run dry for about a minute, to let it seat.
Today we had a tech session at my buddy's house and I happen to mention the
issue about letting the pump run dry in order to let it seat, well the
majority of the guy's there looked at me like I came from mars, the rest of
the troops just politely told me that there was no reason to do that,
however, I do recall reading numerous postings on this list about letting
the
water pump run dry to seat it, please folks confirm my sanity level and
tell
me I'm right, I do so hate to be wrong all the time, I'm starting to
develop a
complex.
<
Bernie, I believe this technique is necessary when installing water pumps
in the old Vangard motors (TR2,3,4) which utilizes a graphite bearing. The
more modern pumps use a rubber seal which does not require this step. But
doing this has no deliterious effects so don't worry about it.
Cheers
Dave
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