Buddy Hudson Posted January 25, 2014 Share Posted January 25, 2014 (edited) Where is the fuel overflow valve on a 2001 Mack E7 427Its a work truck at the farm I work at and I'm not familiar withThe Macks as much as the InternationalsThanks in advance Edited January 25, 2014 by Buddyluv1966 Quote Link to comment Share on other sites More sharing options...
Buddy Hudson Posted January 25, 2014 Author Share Posted January 25, 2014 Come on guys, somebodys gotta have some knowledge that can help me? Quote Link to comment Share on other sites More sharing options...
j hancock Posted January 25, 2014 Share Posted January 25, 2014 Somebody will be along this evening with an answer.Probably should have posted the question under "Engines and Trans". Quote JimIt doesn't cost anything to pay attention. Link to comment Share on other sites More sharing options...
MACKS Posted January 26, 2014 Share Posted January 26, 2014 What is a fuel over flow valve,never heard of it? Quote Link to comment Share on other sites More sharing options...
br549 Posted January 26, 2014 Share Posted January 26, 2014 Its on the passenger side above the air compressor and below the unit pumpers, not sure but look under #5. I is a fitting with a pressure relief valve internal, it has a plastic line that comes from the from injector return fuel and a # 6 braided line that goes back to the fuel tank. Quote Link to comment Share on other sites More sharing options...
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