[Vwdiesel] Fuel delivery valve woes...

[Don Young]

I've got an '83 diesel vanagon that I recently put an '84 Quantum 1.6TD
engine in.  After getting everything hooked up, I had trouble getting
fuel to come out of one of the fuel delivery valves (the top one).  In
desperation, like a fool, I removed one of the fuel delivery valves. 
After examining its internals, I replaced it, satisfied with finding
nothing missing.  Still no fuel.  So, I removed another one...looked
the same...so I replaced it (careful to put the copper washer back in
the same orientation that it came out).  Viola!  No fuel out of that
one too!  Hey, when you're on a roll....  So I removed a third one,
replaced it, and...no fuel output!

Before I removed the 2nd and 3rd valves, they were firing the fuel
through the injectors and the van was almost starting.  Any ideas?  I'm
at a loss.  The valves are not leaking.  I will order new copper
washers on Monday from VW, hoping that will help, but if they were not
sealing, fuel should be leaking out around the valve.

Bewildered, 

Don
'85 Jetta Diesel
'87 E350 6.9l Diesel
'95 Chugger Diesel