Air in a fuel system is a funny thing.. It can act differently on 2 identical machines.. ANY connection can suck air..& there are a lot of connections. & just because it doesn't leak, doesn't mean its not sucking air.. Like I said, Its a funny thing.. SOME systems run the injector return line back to the fuel tank, while others run the line back to the filter head.. so if you have a leak/air at the return lines, its going straight back into the filter head to be put IN the inj. pump.. IF you have a leak anywhere on/in the system.. chances are, ITS SUCKING/producing AIR. There IS NOT 1 specific area this happens to.. I WISH I could say, YUP, just tighten this up or replace these gaskets.. but it doesn't work like that.. Personally, I would get the leak fixed & change the return gaskets on top of the injectors, for starters.
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Today's Featured Article - The Collection of a Lifetime - by Sherry Schaefer. The larest gathering of orphan tractors ever assembled by one collector will be auctioned off on May 15 in Rock Island, IL. Ed Spiess was a well known tractor buff who spent most of his time dreaming of rare and unknown tractors. His background as an agricultural engineer sparked his interest in the unique attributes of the models built from 1939-1959.
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