As often as possible I take photos of damaged Z car parts that
I typically encounter on older years and models, in the hopes
of building up useful documentation for others to use in repairing
and restoring their older Datsun cars. Below is a small, but slowly
growing attempt to publish some of the hundreds of photos in my
collection that I hope may prove to be of some aide to other Z
enthusiasts and online discussion forums over time. When possible,
photos will have text overlays or accompanying text added to clarify
what is of importance in each photo. - Eric Neyerlin
ALL PHOTOS HERE ARE COPYRIGHTED. Publication on other web
sites other than in HybridZ.org forum discussions is prohibited
without permission from ZPARTS.COM or original photographer.
Comments and suggestions about this section can be sent to Eric
Neyerlin - owner of ZPARTS.COM
Cracked Vent Tube
Connector on 70-74.5 models. This little discussed
plastic tube, hidden from quick visual inspection, can be one of the
chief overlooked sources for gas fumes in early Z cars. For reasons
unknown Nissan decided to insert this little plastic tube between
upper plastic gas filler tube and rubber hose that allows gas fumes
or gas overfill to be recovered back to the gas fume recover tank
mounted behind the passenger side interior rear quarter panel. Quite
often connector is totally hidden inside rubber hose ends. I have
most often observed crack to be on on the backside of observable area
and hence, not easily seen unless tank is unbolted from body and a
closer inspection made.
Cracked Gas Filler
Tubes pictured at left and poor sealing between clamped
tube end and gas tank metal inlet are sources for many of the raw
gas fumes encountered in older Z cars. Related to the above cracked
vent tube connector is the issue of leaking gas filler tubes on
70-78 Z cars. If you observe small drops of gas (or worse) on ground
below the passenger side of your gas tank after filling up your
gas tank, good chance it is coming from either a poor seal between
metal gas tank outlet and black plastic filler tube clamped on to
it or from a crack in the filler tube itself. Troubleshooting this
problem often requires that tube be detached from gas tank for complete
inspection. Gas tank should be drained of most gas and supported
before removal of tube or gas may spill out in quantity or tube
end be damaged while attempting to wrestle tube off end of inlet.
all surrounding parts should be cleaned off with a hose or air before
removal to avoid debris getting into tank or eyes.
ZPARTS.COM
salvages, inspects and tests as many as possible for resale. See
Restoration Parts
Special List ad section for prices and comparison between different
model years of filler tubes.
Troubleshooting
Illustrated at 
.com
As often as possible I take photos of damaged Z car parts that
I typically encounter on older years and models, in the hopes
of building up useful documentation for others to use in repairing
and restoring their older Datsun cars. Below is a small, but slowly
growing attempt to publish some of the hundreds of photos in my
collection that I hope may prove to be of some aide to other Z
enthusiasts and online discussion forums over time. When possible,
photos will have text overlays or accompanying text added to clarify
what is of importance in each photo. - Eric Neyerlin
