Re: Pierburg fuel pumps? ...more info

[Colin Hames <cchames@mm.com>]

My pump was quiet on my 5TQW until I replaced the check valve about 8 months
ago.  It has been noisy ever since.  Go figure.  Seems to work fine so I am
trying to ignore it.

Colin.

Kneale Brownson wrote:

> Sounds like maybe cleaning out the fuel tank/replacing filters is in order.
>
> Kneale Brownson
>
> At 12:25 PM 8/3/99 -0400, Kurt Wesseling wrote:
> >Heh...tried that way already.  Here's way more additional info than anybody
> >wants...
> >
> >Removed the FP from my disabled '87 5KCSTQ, put it in the '89 200 TQ.  Ran
> >quiet for two weeks, then started howling, too.  Now car misses, FP buzzes,
> >howls, etc,  just like the old one. The pump in the '87 had only seen about
> >12 months of service.
> >
> >Sometimes when this howling is occuring, I kill the ignition while going
> >down the highway, restart, while still rolling, and the pump is quiet.  When
> >it's quiet, engine doesn't miss and car performs well.  As soon as the buzz
> >starts, forget it!  Bucking and missing starts with a vengence!  Seems a bit
> >worse in hot weather.
> >
> >I originally thought it was the fuel pressure accumulator, replaced that
> >first.  Buzz continued. Replaced with "new" pump from '87.  Only two weeks
> >of quiet.  It's been a little hard for me to believe that the pump from the
> >'87 was bad, too.  Doesn't seem to be the FP check valve--since I also
> >replaced that with the one from the '87.  Anyone ever heard of a bad
> >vibration damper on top of the pump?  That really seems like a strech to me.
> >
> >I'm pretty certain I need new injectors--get the characteristic 2-3 cranks
> >on cold start, raw fuel smell, and blue smoke.  Any way bad injectors can
> >kill a FP??
> >
> >Meanwhile went ahead and ordered a FP made by "Master" (?) at my local
> >Advanced Auto Parts (formerly Parts America) for $182.00...hope I don't
> >regret it!
> >
> >--Kurt
> >
> >
> >----- Original Message -----
> >From: Mike Arman <armanmik@n-jcenter.com>
> >To: <quattro@audifans.com>
> >Sent: Tuesday, August 03, 1999 10:54 AM
> >Subject: Pierburg fuel pumps?
> >
> >
> >
> >>
> >> Yep. $14.99 at the local you-pull-it yard. Pump running happily and
> >> silently for over a year now - and two spares sitting on the shelf just in
> >> case, for later . . .
> >>
> >>
> >> Repeat after me: "Retail is for other people. Retail is for other people."
> >> etc.
> >
> >