steeler
-
Posts
298 -
Joined
-
Last visited
Content Type
Profiles
Forums
Gallery
Events
Blogs
BMT Wiki
Collections
Store
Everything posted by steeler
-
I've seen this happen more than a couple times. The pump has usually been the culprit over fueling.
-
Fuel pressure should be somewhere in the 60-75 lb range. Testing under load would be ideal, but often you'll see it near zero at idle when the gear is slipping on the shaft. If it's a restriction in the fuel system pressure might be good until you get it under strain.
-
Ya, my first thought is fuel pressure, luckily the etech is almost as easy as it gets to diagnose. Even through the internet. Some have asked me why I would offer help on the net. These are some of the problems some of us pulled our hair out on 15 years ago, but learned all the ins and outs through it. Why not help somebody else out? Sorry I'm rambling.lol
-
Does the electronic malfunction light work? Any smoke? Does it sounds like a single cylinder misfire, or definitely a stumble? It runs fine at higher rpm?
-
Yes, if the derate is turned on in the programming then it will cut power.
-
Or a worn out clutch brake, worn front seal housing on transmission. Either will allow the throw out bearing to travel too far rearward causing the release fork to contact pressure plate.
-
2012 pinnacle chu mp8 discharge recirculation
steeler replied to c-mac's topic in Engine and Transmission
I've never paid attention to the drv either, once it's starts dosing anyway. I think that is normal. -
Never had an easy pedal that I couldn't get unstuck. I think I've only seen a couple solos make it through their full life.
-
^ this. If the stick is physically stuck in gear, and not because it came up over the fork, then very well could be twisted mainshaft. Once you pull the shifter up you'll get a better idea.
-
Yeah if you could get those code numbers I'd be glad to look at the diagnostic tree and maybe give you an idea on what to check. I wish these were as easy to diagnose as the AI or Etech, but those days are gone sadly.
-
Any vgt codes?
-
Sounds like synchronizer is bad. Any grinding sounds when you go to 6th?
-
Does the stick return to neutral but tranny status in gear? Or is the stick physically stuck in? Broken shift fork would be my first thought.
-
Low batteries? Possibly bad thermal switch?
-
You say various boost codes? Different fmi's? What are the code numbers? Possibly not actually a mechanical issue but maybe electrical. High resistance in the circuit for example. Might pull the connectors off of the ecu and check for oil wicking. I've seen that cause some really strange things.
-
I would check boost and fuel pressure with a manual gauge if it were me.
-
He's referring to the air cooler mounted in front of the radiator, check the tubes for cracks.
-
But 10 is way high to do those 2 things.
-
You'll have to have the injector cup tools. I don't have the part numbers handy, but I can get them tomorrow. You can order the tools from your dealer or find them online, they aren't cheap though.
-
10k? To do what?
-
Yup, sounds like the classic cup problem. There is a fuel regulator fitting in the head, the mp7 one is on top of the head, front drivers side. Not sure about the mp8 location, but I doubt that will be your problem.
-
With the input shaft removed, the gear will flop around quite a bit in the shaft, once it's installed back in the trans, the countershaft gears will center it up. If that makes sense. I couldn't watch the video on my phone.
-
Ok good, at least they can't pin a rocker problem on you. So you just bolted your Jake onto it then and readjusted valves?
-
Not to get off track but I put a basic in last year, fired it up, thump thump instantly. One of the cam rollers had a flat spot. That's when I learned Mack doesn't replace all of the lifters, they just inspect and reuse. No telling what your gonna get anymore I guess. Dakota, I don't know what kind of relationship you have with your dealer, but there are plenty that will do everything they can to pin it on you somehow. I'm with fjh, maybe let them take a look.
-
A little movement in the input shaft is normal, as is the caked up gunk inside the gear. Did the truck still pull itself, just chatter?
BMT Forum Logo
