[T3] Update with a Bowl Full of Rust Flakes
Jim Adney
jadney at vwtype3.org
Sat Jul 23 18:57:23 PDT 2011
On 23 Jul 2011 at 18:46, SCS Crewcab wrote:
> What passages are you referring to?
The FI tank has a sort of "cup" welded to the inside of the tank.
That cup has a channel which leads under it, to the return line port.
Returning fuel drags fuel from the main part of the tank thru that
channel and into the "cup." So, when the tank is close to empty, the
"cup" will remain full.
In essense, this utilizes the return flow of the FI pump to scavenge
gas from the main compartment and put it into the cup that the pump
draws from.
If that small passage under the cup is blocked, the only way for gas
to get into the cup and to the pump is over the top of the cup. This
means that once the tank is down to about 3/8 full, the pump will run
out of gas.
It's a system that works really well, unless you mess it up.
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Jim Adney, jadney at vwtype3.org
Madison, Wisconsin, USA
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