I am guessing it is a check valve? I will get new rubber and seal it up, just wondering what it was...

I posted this on another forum and got crickets.. please let me know if these are dumb questions or if I just haven't done enough research and I'll do so... I just bought my first duramax (haven't even picked it up yet) from a buddy and so I have been reading a lot about what to do and how to...

Hello everyone. Hope all of you are well during these times. I have a concern regarding my 1998 6.5 Detroit. Although very infrequent, the truck does a strange hiccup when idiling, almost as if I’m taping the peddle with my foot to imitate a lope. My thoughts are either injectors or a throttle...

This thread is mostly me just venting, in the 6 months I've had my truck so far, it's spent about 4 of them torn apart in my driveway. My most recent replacement/upgrade may have turned into the biggest fiasco yet. My misfortunes going back a few months: -Went to replace FFM and fuel hoses...

I am running a 1993 LP to feed my 1996 6.5L, there are no problems with fuel supply other than those expected with stock LPs(none yet for my use on flat ground). I have experience with boat engines, and we would always attach a "fuel water separator" somewhere inline before fuel gets to the...

Hi everyone. Thanks for reading and any help. I can change bolts but am terrible at diagnosing and if your able to explain things very simply I may be able to figure this out and fix it. I have a 1983 Chevy k10 6.2 that I recently picked up and have already replaced the starter, and batterys. I...

Hey everyone I have been the owner of a 6.5 for a couple years now and really wish I would have found this forum when I purchased this vehicle. It has been converted into a short school bus and become my traveling home. I am currently stranded with issues that have me scratching my head and more...

Hi again guys. Ive been quiet for a while now, occupied with fixing the problems with the truck. Anyway, a new confusing thing appeared. Ive been out driving around and was going to drive the truck in to the garage. I pushed the throttle to half and nothing happened. The rpm did not climb...