[DML] Fuel Pump "Buzz"

["dadoc2791" <gekko@xxxxxxxx>]

The other day I noticed that my fuel pump has begun making noise - a 
Buzzing sound, about 3-5 times as loud as it normally does when 
running.  I found today that when cold, it's completely quiet.  After 
being driven about 1-1½ hours, it begins getting louder.  The engine 
runs perfectly at any speed so I know the pump is delivering ample fuel 
and pressure but I'm concerned about it.  I've ordered a new pump from 
John Hervey and figure I'll keep this one as back-stock, in case it's 
needed in a hurry at some later date.

Any ideas on what might cause this added noise to a pump that otherwise 
seems to be operating perfectly?

Craig Werner
07181



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