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The OVERFLOW banjo "bolt" ontop of the fuel filter has a small passage in it that acts as an air bleed valve. Any air that makes it into the fuel filter below it is attracted upward by several factors and exits out thru this little passage. This bled out mix combines inside the banjo "body" with the the extra fuel not used by the IP (IP overflow/return line) and the extra fuel not injected via the injectors (injector overflow/return line) These two are fed into the banjo "body" via two ports. In OEM arrangement all this; via a thrid port, is sent back to the tank thru the cigar hose and on into the return line to the tank.
A solid banjo "bolt" does NOT block all fuel if you keep the banjo "body" there. In that case it ONLY blocks what bleeds up thru the filter. All the other things flow right around the banjo "bolt" inside the banjo "body" and out to the tank.
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"Know other lessons I need to learn? TELL me. Tired of learning'em the hard way".
Glow Plug Wait: [i} Time of silence in homage Rudolph Diesel. Longer you own a diesel. more honor you give". [/i]
Life; SNAFU Situation Normal All Fouled Up, & FUBAR: Fouled Up Beyond All Repair
-Now: Snafued Jeep TJ w/OM617 2Be daily driver & building SS M1079 w/Ambo boxed /live in Adv. Truck, Diesel KLR conversion
-Sold 62 UNIMOG Camper w/617 Turbo, 85 300SD
Last edited by coachgeo; 09-07-2005 at 03:15 AM.
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