Warbling water pump??

[ed armstrong]

I would definetly ease up on the tension. I found this
to be the case the last time I did the timing
belt/water pump/idler pulley on my Audi Coupe. With a
lot of tension it sounded horrible at idle !



--- Konstantin Bogach
<konstantin.bogach at morganstanley.com> wrote:
> I changed 3 pumps trying to get read of wp sound.
> First two it was whining.  Third one
> sounds like warbling, maybe.  It does noise  in
> 1200-1400 rpm range.  At least I can hear
> it.  Gave up after listers responses saying they
> also have for years.
>
> Konstantin.
>
> >
> >
> >
> > From: Bill Phelps <wphelps at rizzo.com>
>
> > I seem to recall this issue in posts from a few
> years back.. I get a
> > warbling sound at just above idle from the front
> of the motor and I'm
> > guessing its the water pump on my 87 4KQ. Archive
> posts point either to a
> > poor quality pump or too much tension on the
> timing belt. It has generally
> > made this noise since I aquired the car with 108K
> on the odo. Timing belt,
> > water pump and idler pulley were replaced at 120K
> mi, still makes the same
> > noise now at 130K mi.
> >
> > Has found either the pump or t-belt tension to the
> cause of the problem?
> > I've checked the other belts and I'm pretty sure
> they are not the cause of
> > the problem.
> >
> > Thanks in advance
> >
> > Bill
> >
> > -
>


=====
-ed

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