[V8] fuel smell

[Dave Saad]

Agreed that this is a big deal.
Also keep in mind that any repairs (like rubber lines over cut out rusty sections of metal line) need to hold a solid 100 psi.
Hose clamps over a rusty and non barbed piece of pipe does not sound like a safe long term solution to me.
The operating pressure if I remember is something like 65 psi, and any part of the system should be able to handle 4 times that.
I think the line and fitting max pressure ratings are around 800 psi for new parts for safety margin.

Dave

 
On Nov 24, 2010, at 3:55 PM, NIck Miller wrote:

> Dude don't let him drive it... that's how mine burned down.  Yikes.
> 
> Id be all over the cross over lines under the intake cover.  Take the intake
> off before testing so you can see them and the fuel rail feed.   Im betting
> its an injector or line above the intake manifold.  I'm worried about any
> smell of fuel these days in an audi.
> On Nov 24, 2010 4:15 PM, "Kent McLean" <kentmclean at comcast.net> wrote:
>> Curtis Helton wrote:
>>> My sons 90 v8q lately has a bad fuel smell on startup. It doesn't leak
> any
>>> gas on the ground anywhere. He said it's hard to tell where the smell is
>>> coming from.
>> 
>> Besides the obvious places (connections under the hood and at the tank),
>> a place now becoming common is the metal line between the tank and the
>> engine. In snow-belt states, salt gets under the rubber bushings where
>> it is attached under the chassis and eats through the line. Look for
>> dampness at the rubber bushings.
>> 
>> Anticipating the next question if the line is bad, I'll suggest that
>> some people have spliced rubber fuel injection line at the bad points.
>> 
>> --
>> Kent McLean
>> 1999 A4 Avant, V6 Tiptronic
>> 1990 200 Avant mit V8 conversion
>> gone: 1990 V8 w/5-speed and other mods
>> gone: 1991 200 TQA #3, with mods
>> gone: '91 200 TQA x2, '94 100 S Avant, '89 200 TQ "Bad Puppy"
>> 
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