fool pumps(things that go woooo in the night)

[james accordino]

Is it possible you have one of the Bosch "Czech
Republic" pumps?  I replaced 3 so far, and the only
one that buzzed noticeably since the get go was made
outside Germany, and was purchased just about 3 yrs.
ago.  Coincidence?  I thought someone posted a while
back that there were some QC issues when they switched
to the new factory.  I've certainly found this to be
true with other parts, radiators most notably.

Jim Accordino

--- Brett Dikeman <brett at cloud9.net> wrote:
> with all this talk of fuel pumps, I got to thinking;
> I had the back
> seat out recently and haven't put it back yet.
>
> I've noticed the same thing I noticed a few years
> ago, namely, the
> pump seems to make a lot of noise when the car's not
> under load.
> Cruising along, I can floor it, or drive uphill etc,
> and the pump
> goes quiet...coasting, foot off the gas, the noise
> will progressively
> get noisier, slowly, but noticeably...maybe over
> about 10-20
> seconds(rough guess.)  From within the car, it makes
> a woooooooo
> noise that occasionally sounds like it's
> faltering/stumbling(from
> outside, just seems to buzz, without faltering,
> which is odd) at
> idle.  The wooooooo noise is what varies with engine
> load.
>
> Pump is fairly new(2-3 years old) and has buzzed
> since the day it was
> installed.
>
> B


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