[Roadsters] gas tank issue 2000 roadster

[Lee Ehinger]

What year is your car please?   The 70s I believe were a closed system & had
an expansion tank.  They _may_ have had a third line (like the early 240z)
that went back to the air filter housing - all designed to prevent gas fume
leakage, and allow air into the tank as fuel drops.  When it stops, open the
fuel inlet - do you hear air pressure equalization?  If yes, should start
right back up.   OR the inlet & return are reversed as note in the other
post.
Lee
Ft Rain (Wayne) IN
67.5 2000, 70 240z

-----Original Message-----
From: datsun-roadsters-bounces at autox.team.net
[mailto:datsun-roadsters-bounces at autox.team.net] On Behalf Of
shas1983 at netzero.net
Sent: Monday, April 25, 2011 10:27 PM
To: datsun-roadsters at autox.team.net
Subject: [Roadsters] gas tank issue 2000 roadster

Anyone had an experience in which the car stops drawing gas at about 1/2
tank?
I added a Datsun electric fuel pump a while back when I noticed the fuel
level
extremely low in the filter. I blew out the lines back to the tank with no
effort required. This did not help with the mechanical pump. After adding
the
electric pump, the filter continually stayed full until I let the fuel level
in the tank drop just below half last weekend, The car began to stumble
while
I was stopped. I checked under the hood and found the filter vitrually empty
of fuel. I got back home and added a small amount of fuel and the filter
immediately filled up.I believe the fuel vs. return lines are hooked
appropriately, as the car was driven at low fuel levels in the past. If
someone can confirm which port the feed line should attach to it would be
helpful.  The gauge is working correctly. Not sure if the tube could have
been
damaged inside the tank. I has the tank cleaned and sealed when restoring
the
car a year or so ago. I checked the fittings and all appear tight. There is
not much more that I can think to check, so any ideas would be appreciated.

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