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my water pump is squeaking!



Yes, 50/50 phosphate-free coolant and water..

-Toby

On Mon, 21 Oct 2002, Allyn wrote:

> are you running any coolant in there with your water? that seal relies on glycol
> to lube it, as water isnt good enough.
> Al
>
> ----- Original Message -----
> From: "T. Reed" <treed2@u.washington.edu>
> To: <scirocco-l@scirocco.org>
> Sent: Monday, October 21, 2002 1:00 AM
> Subject: my water pump is squeaking!
>
>
> > Hey all,
> >
> > I've been having some annoying belt noise problems and I made some
> > progress with them today by replacing the pulley bolts with ones of the
> > correct length (so that they don't need washers) to center the
> > pulley on the hub correctly. I also changed the shimming on my hacksaw
> > non-a/c alternator bracket to better align the pulleys.
> >
> > However, when I had all the pulleys off I turned all the accessories by
> > hand to make sure their bearings were good. Everything got a clean bill of
> > health except for the water pump. I put in a new (used) water pump with
> > the 2.0 about 1000 miles ago. It didn't make any noise out of the car
> > before I put it in..
> >
> > Now, when I turn the hub on the water pump by hand it makes a squeaking
> > noise (I assume from the seal).. turning it one direction (I believe
> > it is the direction opposite to which the engine rotates) makes it much
> > worse/louder than the other. It's not a continuous noise, however. In
> > fact, when the engine is driving the pump by belt the noise manifests
> > itself as a loud, high pitched "eeep!" type noise about 3 times a second.
> > I can put my ear up to the muffler and still hear it over the exhaust.
> >
> > Needless to say, this is really annoying.
> >
> > The water pump pulley is the 2-part one with the (nylon?) bearing for the
> > inner pulley. I spun the pulley off the car and the bearing seems to be
> > fine except for a little bit of play side-to-side.
> >
> > I have no water leaks and no cooling problems (except maybe too much
> > cooling - with this low temp thermo my car almost never hits the led)
> >
> > What could this be? A failing seal? A seal needing lubrication (can I
> > squirt some silicone on it and quiet it down)? Normal? (although it's too
> > damn annoying to be normal)
> >
> > When I first fired up the car after working on the belts the noise wasn't
> > there.. but after a minute or so the chirping set in again. The engine
> > sounded so healthy without the belt noise and the chirping.. but to my
> > dismay it's not that way any more.
> >
> > Anybody have any ideas at all for what's going on here or how to fix it?
> >
> > Of course I'd love to avoid pulling the water pump and putting in a new
> > one (again) but if this thing drives me nutty enough I might do just
> > that..
> >
> > Thanks in advance for any ideas or suggestions..
> >
> > -Toby
> >
> >
> > --
> > '87 2.0l 16v
> >
> >
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> > Scirocco-l@scirocco.org
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>
>
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