my leaks on a rubber tube behind the FF

 

The only quick fix there is to cut the line where the hole is and insert a barbed fitting with hose clamps on either side. I wouldnt really consider that a quick fix though - you may as well go ahead and replace all the line instead of doing a band aid fix.

Make sure you use diesel rated fuel hose, not the stuff for gassers.

 

well i got the new lines on my truck but i went with 1/2 inch lines and i was thinking i dont have any replacement for the overflow valve now i was wondering if i could take it off and put fittings on it and more 1/2 inch line

 

you could do that if it would seal. do you have any pics of the parts included

 

i dont have any pics yet i wil have to work on it this weekend i got the 12valve upgrade kit from vulcan and i thought it would come with the return side of the pump but its only the feed lines and i did the lines coming from the tank forward already, i have heard that the oveflow valve goes bad on the p7100 so i thought just take it out

 

You cant take the overflow valve out. Get yourself a new one from cummins.

Cummins p/n: 3932096

 

alright that works for me thank you, ill get one cause i dont think it has ever been changed

 

So, Dieselminded - do you remember what sizes all the fittings in the 12V fuel system are?

I need all new lines and have not teared into it yet. I want to change all the lines from the tank (and back) to 1/2"...but need to know what size of fittings are on the Lift pump, fuel filter and Injector pump.

 

ther all metric i know that

 

I am looking to do away with teh Banjo bolt inlet to the IP. I would like to go to a 3/8" barbed fittings anyone know where I can get such a fitting and if so what it is?