Check to see if you have any ventilation to the tank. Do you get a hiss if you remove the gas gap after the pump starts to whine. You may be working the pump against vacuum. On Saturday, October 2, 2004, at 01:25 PM, Automatic digest processor wrote: > From: John Lauterbach <lauterba@BELLSOUTH.NET> > Subject: Re: Fuel pumps > > If I had fuel pump problems before, I did not know about them. Last > year, installed new pump when installed new long block. Over teh past > eight months or so, I have been getting what I think is fuel pump > whine. Don't hear it for the first few seconds the engine is on in > the morning, then it starts getting louder. During the past week, I > can even hear differences in amplitude when I start accelerating from > a stop. I am assuming noise is from fuel pump as nothing else on a > Vanagon would move at the high a frequency. I have changed fuel > filter twice since the noise began. Filters were not obviously dirty. > > Does the whine mean that the pump is not getting enough fuel? > |
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