Fuel Lines

[Huw Powell]

>> Are there any durability issues with the plastic lines used on the
>> old VWs?
> 
> I have an '85 Vanagon which uses some plastic bits for fuel line
> connections. They have brittled in the last 19+ years. A couple of
> the pieces have crumpled with very little pressure.

> As stated above, the get brittle. When replacing lines, I tried a
> light twist on one piece and it fell to bits quite easily. I replaced
> it with non-plastic.
> 
> So, all in all, I'd venture to say the plastic is great for 15 or so
> years, then starts to go downhill. I'd be suspect of any in older
> cars, and have started replacing all the remaining pieces in the vw.
> This car also has nylon line in a few places. This has held up fine:
> still flexible and quite capable of carrying fuel under pressure.

That was my gut feeling.  Although I have seen some fuel leaks on metal 
lines at the rubber doohickeys, my '82 coupe is still happy on it's 
original lines, so if you are lucky and don't get the rust-through, the 
metal will last a really, really long time.

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/