RE: Name that I-5 noise!

["Ken Keith" <auditude@neta.com>]

I second that diagnosis.  I had the same warbling sound before, 
didn't we describe it as a turkey sound, was that another thread?

Anyway, I speculated that the shaft on my new replacement water 
pump stuck out further than the original one, and was actually 
making contact with the inside of the timing belt cover.  I spaced 
my cover out with some washers, and the noise was minimized if 
not banished.  I forget if it went completely away.

hth,

Ken

"Robinson, Michael/SJC" <mrobinso@ch2m.com> wrote:
> 
> That noise is the water pump.  When I had my timing belt and water pump
> replaced to, i began to get that kind of noise coming off and on.  I asked
> the mechanic and he said it was normal for the newer water pups to do it.  I
> don't know why it does it but, this is what he told me.  I just took his
> word for it, hasn't seemed to cause any other problem.  With my car, if you
> give it a little gas, the noise goes away.  Does it still exist under normal
> driving conditions?
> 
> Mike Robinson
> 88 90q
> 
> > -----Original Message-----
> > From:	quattro2@ix.netcom.com [SMTP:quattro2@ix.netcom.com]
> > Sent:	Monday, July 26, 1999 5:42 PM
> > To:	quattro@audifans.com
> > Subject:	Name that I-5 noise!
> > 
> > My 87 4KCSQ seems to be warbling, I guess you could call it that. The
> > noise is coming from the 
> > front of the motor and seems loudest around just above idle. It is
> > accompanied by a very slight 
> > whistling sound. The noise really drops off above/below @ 1000 rpm. 
> > 
> > I have VERY recently changed the following (although it made the noise
> > before I did)
> > 
> > timing belt
> > water pump
> > tensioner (idler) pulley
> > cam and crank seals
> > oil pump gasket
> > 
> > I followed the Bentley and torqued every thing to spec, the timing belt
> > can be twisted 90 
> > degrees per the manual etc....
> > 
> > It sounds to me like its coming from the water pump or the thermostat
> > housing. Could it be air 
> > in the cooling system? The car runs fine and does not overheat. 
> > 
> > Any thoughts??
> > 
> > TIA
> > 
> > 
> > Bill
>