Randy
Yes you can solder steel but there is little strength due to surface
area of the tube and this is probably why you have a leak now. Also
vibrations will eventually cause a crack in the solder; braze is stronger
but has the same problems.
Do not solder; do not braze any of these parts. It sounds like someone did
a quick repair job instead of doing it right. The piece you had to heat to
remove is not needed.
This is a compression fitting; use only compression fitting parts.
You put the compression sleeve on the new tube, put the tube into the pump
fitting and hand tighten the nut, now tighten the nut 1 3/4 turns. The
fitting, sleeve and nut will deform the tube slightly and create a tight
fit. Now put some fuel through the system and look for any weeping and
tighten the nut slightly if needed.
I would also suggest that at some point you make a complete new fuel
line for your car. Yes it takes some time to do correctly, but the fewer
compression fittings in the line, the fewer weak points there are.
Hope this helps
Ron Fraser
-----Original Message-----
From: owner-tigers@autox.team.net [mailto:owner-tigers@autox.team.net] On
Behalf Of Randy Smith
Sent: Friday, September 09, 2005 8:16 PM
To: Tiger List Serve
Cc: rfraser@bluefrog.biz
Subject: Re: Fuel line
OK-
I went ahead and cut the line and removed it from the pump. A standard
5/16" compression fitting will work to put it back together. Now what
I'm dealing with is the fitting that connects to the pump. It has a nut
similar to a compression fitting (though it looks slightly larger) and
it has sort of a reverse flair end. Kind of like a male version of a
flair. The leak is where this fitting is attached to the steel line.
It appears to be soldered on and in fact, I removed it by heating it.
When I attempted to solder it back on, it doesn't want to adhere to the
pieces very well. I know how to solder, having done a lot of plumbing.
I really don't think solder works on steel line, does it? Should I be
using silver solder or something different? Should I try to braze it?
The "flair" piece looks like brass or bronze. Can I replace this
fitting? Is it a standard fuel system piece? Can I stick a compression
collar on the line, inside the original nut and attach it to the pump
fitting without the flair fitting? Has anyone replaced on of these
lines? Any suggestions?
Thanks- Randy
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