5000 ac programmer solenoids

[jjwjr@ix.netcom.com (JEREMY J. WALTERS JR.)]

Help!
Today I pulled out my AC programmer, did not find any oil-how much oil 
is there usually?  I tried pulling a vacuum from the manifold side with 
a hand pump, and one valve held vacuum, the other 3 slowly leaked away, 
at varying rates.  Does anyone know where I an obtain replacement 
valves, as i hate to pay for a whole rebuilt programmer, when all I 
need to do is solder in new solenoid valves.  Even if someone knows the 
voltage of the coils, it would be helpful.  Are the valves just on/off 
switching manifold vacuum to each servo, or do they vent to 
atmosphere-it appears they might.

Thanks - hopefully I'll have warm feet again!

Jeremy Walters
SAn Ramon, A