gas tank replacement

[Shawn Manny]

those ARE the symptoms. Car runs great for 'x' miles, then acts like
its out of gas stumbles, bucks fuel pump screaming....then it sits for
a bit and is fine for 'x' miles again....sounds like its your tank.
Fix it before you add more pumps to the grave yard.


On Mon, 24 Jan 2005 21:49:32 -0500, Drew Boyd <qu4ttro at gmail.com> wrote:
> so what actually are the symptoms of this fuel tank dilemma everyone
> is now speaking of... my 87 4kq is suffering what seems like bad fuel
> pump problems.... its stranded me a few times only to restart and run
> fine after a few minutes. i did find a burned out fuel pump relay
> once...new bosch pump goes in tomorrow (Ouch btw $$$) but id like to
> know if im polluting pumps...
> 
> 
> On Mon, 24 Jan 2005 15:27:53 -0600, Shawn Manny <shawn.manny at gmail.com> wrote:
> > The key to doing the fix is to make sure you really, and I do mean
> > RAELLY celan out the tank, powerwash it till it shines (liek mine
> > did), you will get stuff that looks like paint chips, coffee grounds
> > anfd sludge all pouring out of the tank. I spent about $12 at the
> > powerwasher over two nights (first night of removal, and after cutting
> > it open and removing said screen)... The liner is the real reason we
> > have the issue, Audi dropped the ball on this forumaltion of
> > it...After I scourde the internet looking for replacement tanks abd
> > found NOTHING, I followed Tony's directions, but changed it a bit so
> > I didn't have to remove quite so much of the tank flooring.
> >
> >
> > On Mon, 24 Jan 2005 14:43:44 -0500, Matt Suffern <msuffern at lycos.com> wrote:
> > > Huw, the problem with simply obtaining a used fuel tank is that the condition of the lining on the inside varies considerably, and
> > > may be worse than the one that's being pulled, especially if the "new" tank sat around for a while, dry, and had a chance to rust up
> > > inside.  It's a solution, yes, but not a permanent once, which I think is what everyone that the problem has affected is after.
> > >
> > > The in-tank "sock" is definitely there.  You can actually see it without cutting into the tank at all.  After having pulled the tank, shine a
> > > light into it and find the oval-shaped opening in the baffle at the bottom.  Just below that opening on the other side of the baffle is
> > > is the "sock."
> > >
> > > Also, I think this problem is more common than we think.  Since purchasing my car a year ago and having problems and posting
> > > about them, at least 3 or 4 other type 85 owners have mentioned having the same issues.  Maybe the lining inside the tank
> > > deteriorates rapidly after ~18 years, who knows.
> > >
> > > Cheers,
> > >
> > > Matt
> > > '86 4kq
> > > Chapel Hill, NC
> > >
> > > >
> > > > Message: 6
> > > > Date: Mon, 24 Jan 2005 07:16:13 -0600
> > > > From: Shawn Manny <shawn.manny at gmail.com>
> > > > Subject: Re: gas tank replacement
> > > > To: audi at humanspeakers.com
> > > > Cc: quattro at audifans.com
> > > > Message-ID: <fc6e70eb050124051633847696 at mail.gmail.com>
> > > > Content-Type: text/plain; charset=US-ASCII
> > > >
> > > > HUW, after fixing my tank I can say fotr sure there is a metal
> > > > prefilter sock on the pick up line in the tank. Since talking to Tony
> > > > and fixing mine I have talked to many other 4Kq owners in the same
> > > > boat, not all on here either btw..
> > > >
> > > > Shawn
> > > >
> > > >
> > > > On Sun, 23 Jan 2005 20:58:52 -0500, Huw Powell <audi at humanspeakers.com> wrote:
> > > > > > I'm currently battling fuel tank problems with my '87 4kq.  The problem, I
> > > > > > think, is a plugged in tank sock filter. I basically have 2 options, cut it
> > > > > > open and pull the sock off or I'm considering the possibility of a fuel
> > > > > > cell.  Have you considered/investigated the latter?
> > > > >
> > > > > Why not just obtain and install a used tank?  Not too tough of a job,
> > > > > and this problem seems quite rare (so the used one should be good - also
> > > > > you can clean it carefully before installation).
> > > > >
> > > > > Also, I never heard of this in-tank filter?  Type 85's usually have a
> > > > > pre-filter in the line from the tank, and of course the big filter after
> > > > > (?) the fuel pump.
> > > > >
> > > > > --
> > > > > Huw Powell
> > > > >
> > > > > http://www.humanspeakers.com/audi
> > > > >
> > > > > http://www.humanthoughts.org/
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> > > > >
> > >
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