Wow! That is a lot of work for one little worn o-ring. Thank you for a clear explanation of the diagnosis and repair. Those nipple cups look like a bear to torque.
We did stand pipes and dummy plugs on Gary’s truck a little while back for a crank no start and a upper injector o ring on the passenger side a little while back.
Question: Once the O-rings on the HPO rail are replaced, do you find they still give problems or are you good for a while? Seems like HPO O-rings are starting to fail on these 6.0’s as they age.
I don’t usually have any trouble out of the nipple cup orings not even upper injector orings that much. Mostly dummy plugs and stand pipes from 04.5-07 and Hpo pumps from 03-04
Thank you, ill be doing this on mine since i have a hot no start as well. How much in parts did you spend if you dont mind me asking and time it took to fix this? So i can plan this out.
I have a f-750 with the vt365 (6.0L) and it has a crank no start but my scanner wont scan it , do i need forscan or a special medium duty scanner to scan it?
Gotta be a special scan tool for medium duty trucks. Has a totally different connector compared to obd 2. I don’t work on many big trucks other than minor stuff because it doesn’t make sense for me to invest in the hardware for it.
