[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: humming fuel pump
In message <000001be3d99$f929a820$53d828ce@jess> "Jess C. Almero, Jr." writes:
> Two weeks ago the fuel pump in my '90 90q20v started humming like an
> electric shaver so I had it replaced. Then last week the humming returned
> but only after driving distances in excess of ~50 miles. Brought it back to
> the mechanic and of course could not duplicate the sound without pinching
> the hose that feeds the pump. It was buzzing a little louder than I
> remember it doing ever before which the mechanic insisted is normal. I also
> replaced the fuel filter to see if that would have an effect. Any ideas?
> Fortunately(?) the pump hasn't reached the sound level of the original pump.
> I was at a stop light and everyone was looking around to see what all the
> buzzing was about. Maybe I'll just tell everyone that I have the latest
> electric powered Audi. Anyone BTDT?
They buzz if they're supply-constrained, so you might have a tank exit
blockage. Also, if there's a sediment trap fitted, bubbles of air
in that make a sound _exactly_ like a humming pump. Finally, did the
machanic replace the rubber suspension bushes?
Phone: 0385 302803 Fax: 01536 723021
(The contents of this post will _NOT_ appear in the UK Newsletter.)