[DML] Re: Fuel Pump Noise

["stainlessilusion" <5n-@xxxxxxx>]

If it goes down below half in lower temperatures does it still make
noise? I would like to say perhaps you have a pin hole in the hose
somewhere and to take it out, plug one end, submerge it in water and
blow on the other and see if bubbles come out somewhere indicating a
hole-but if it doesn't do it in the cooler weather at low fuel levels,
I am not quite sure what would create a noise in the pump. If the pump
draws hot fuel it won't make noise, but if it draws air of it will
sound like a tiny model airplane motor. Put a spring in the hose to
prevent collapsing, even if you take the pump out while the car is
running and watch-doesn't mean it isn't collapsing on the road. Try
taking it out and submerging it in water, couldn't hurt to see if
there are holes. Also, I'm sure you know they are-but check to see if
the clamps are tightened from hose/pump and hose/filter in the tank.
-----Dani B. #5003



--- In dmcnews@xxxxxxxxxxxxxxx, Dick Ryan <deloreanbiker@xxxx> wrote:
> 
> Guys
> 
> As a D owner since 1982 and active on the list since
> its inception, you might think I'd have all the
> answers.  Not even close.  One problem that has
> irritated me off and on since I first owned a D is
> that damn fuel pump noise.
> 
> Now, when I go through Vegas on the way to SoCal and
> hit 102º on Las Vegas Blvd I say, "Okay" it's the heat
> and, sure enough, if I refuel and get some nice cool
> gas from the stations underground tank, the noise goes
> away - - for a while.
> 





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