so after almost changing everything on the fuel system i think i got it fixed. i bypassed the fuel filter on the frame, and that didn't fix it. So...
Yes the new check valve comes with a new o-ring. Working on bypassing the filter on the frame currently. Is it normal for fuel to weep out of the...
can the transfer pump still be bad even if its putting out good pressure?
after shutting the truck off the pressure in the system drops to 0 within 5 minutes
yes still same symptoms. didnt do anything with the housing on the frame. this engine doesnt have the check valve on the filter base.(but yes the...
tank breathers are clear. truck idles around 75psi. we replaced the fuel filter housing on the engine with a brand new unit. and put a one way...
I have a 3406E that I cant keep prime in the fuel system. Heres everything I did. Replaced Head because it was cracked Replaced all injector...
only have 1 tank, its not plugged. what does leaving the caps off after starting do. Injector O rings are installed correctly, I double checked...
Thanks! got it figured out, the a/c pressure switch wasn't connected,
Had a cracked head on our 3406E, Replaced the head, installed new injector O-Rings, replaced all fuel lines to the tank, and up to the transfer...
I have a 97 Kenworth W900 with a cat 3406E that everything worked properly before we replaced the head. Now the engine fan stays running all the...
yeah i tried all that, nothing worked. I pressurized the fuel tank cracked the 1st fuel filter till i got fuel then fired the truck up.
Im having a major issue priming the fuel system in my 3406E. All the priming steps say to remove fuel return on the back of the head, except i...
thanks for the help i ended up figuring it out. I started checking wires from the relay back into the cab for continuity, It ended up being a...
disregard this post
i have 18.2 ohms at the output of the push button to the relay when pushed in. i also get a ring on my multi meter, but i dont have any volts
theres nothing that looks out of place, disconnected, or damaged in the dash
i guess anything is possible, i will go take a closer look
correct, i did try putting the old tach back in but it didnt change anything
i made a jumper from the push button to the relay in the battery box. does anyone know if that wire goes directly to and from the push button and...
