> Now, after less than 100 miles, out for a drive this
> weekend, it started making a loud metallic rapping at the
> same frequency as
> the normal pump buzz. It rapped a couple times with a few
> minutes between,
> then became steady. Fuel supply became weak and then non
> existent. Tilt.
> Is this a normal indicator of one dying?
Tom, I've never had one fail, but I have noticed they are much louder when
sucking air or vacuum. You might check for any restriction or leak at the
inlet, especially if you have that filter incorporated in the inlet fitting
as some do.
Randall
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