Re: Pierburg fuel pumps? ...more info

["Tom Nestor" <tnestor1@fcgnetworks.net>]

Next time it starts to howl, don't shut it off. Pull over, open the gas
filler cap. I'll bet it's a venting issue.

Tom


> 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.
>
>
>