Fuel Line Repair

Steve Hauptmann vwaudiporschefan at yahoo.com
Fri Feb 23 16:17:53 EST 2007


I used std size fuel hose and it seemed to me a perfect fit. I ended up replacing the clamps with FI clamps after being directed that they were a more reliable clamp....but it's a very straightfoward procedure and one of the easier fixes I've made on that car. 
Yes, those are my pics. 

Steve Hauptmann
Columbia, South Carolina

----- Original Message ----
From: Derek Pulvino <dbpulvino at hotmail.com>
To: pcschulz at comcast.net; 200q20v at audifans.com
Sent: Friday, February 23, 2007 1:42:33 PM
Subject: Re: Fuel Line Repair

I assume you're referring to the ID of the rubber hose?  I think I got an OD 
for the metal tubing of about .310 inches...and the rubber fuel line hose 
they had with the closest ID was 5/16 (aka .3125).  I'm figuring with the 
various flares on the metal pipe I should be ok...but since it is a fuel 
line in a hot engine bay, and I only have the one car right now, I wanted to 
be better than pretty sure.

Thanks for the pics...and these were the pictures I've been referencing:


c/o Steve Hauptman (I think?).

All that said, do you recall if you were able to use "standard" hose 
diameters, or did you source out a shop that had rubber fuel line in metric 

Derek P

>From: Peter Schulz <pcschulz at comcast.net>
>To: Derek Pulvino <dbpulvino at hotmail.com>,200q20v at audifans.com
>Subject: Re: Fuel Line Repair
>Date: Fri, 23 Feb 2007 09:03:56 -0500
>Internal diameter is more important than external.
>You want to carefully cut the crimp of the hard sections of this line by 
>cutting sideways across the crimp, then gently prying off the braided 
>section as not to damage the flare on the hard line.
>You also want to look at the orientation of the hard sections before you 
>cut of the braided section, because once you replace it with the rubber 
>hose and tighten the clamps, you will not be able to swivel or adjust the 
>hard section to fit the fuel rail or FPR.
>I could take some pictures of the cut up line that I have and email them to 
>you if it helps.
>At 05:21 PM 2/22/2007 +0000, Derek Pulvino wrote:
>>Ticking little jobs off one by one, and this one is slated to go down
>>this weekend.  Sourced out a dremel, got about a foot of 5/16 fuel
>>line hose, and two fuel injection hose clamps.  This will be to
>>repair the fuel line between the FPR and the injector rail
>>Anybody think of anything else I missed?  Used  a feeler gauge/
>>measuring caliper (is that the right name?) to figure out the OD of
>>the steel lines, and 5/16" was the best size they had at the NAPA I
>>went to.  Anyone who's done this repair recall if this is the same
>>size you used?
>>TIA for any other ideas.
>>Derek P
>>200q20v mailing list    http://www.audifans.com/mailman/listinfo/200q20v
>-Peter Schulz
>Chelmsford Ma, USA
>1995.5 S6 Emerald/Ecru
>1991 200 20v Q Avant Titan Grey
>1991 200 20v Q Avant Indigo Mica (for Sale)
>1991 90 20v Q Red
>1990 CQ silver
>1991 CQ silver  (eS2 recipient)

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