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Oh, one other thing - dont automatically trust the voltage gauge is reading correctly. I'd use a DMM to double check the voltage getting fed to it. Might have just bad gauge. That might be FIRST thing id do next time shes running, only take a few minutes, could save hours of checking /...

I cant speak directly to the grinding issues, but first thought would be misalignment of some kind. Maybe (and this is just a wild maybe here), loosening the bolts that hold starter on and wiggling it around a little might let it find slightly different position? Shot in the dark, but doesn't...

+1 would be good to see, have

Another thumbs up on Nate / swatmod. Good guy. Met him just the other day. Hauled some parts for him that he had gotten from someone near me, picked up some parts from him (all MTVR stuff). Ive probably seen this truck in person, but didnt spend any time looking at it in detail, just in passing

MTVR military manuals werent printed for the most part, instead was software loaded onto maintenance laptops. Basically all of it is still classified. I hear there are copies out there in the wild, but not easy to come by, not going to find copies online, there are dire warnings all over that...

Pm sent, thanks!!

Well, have cat et now, and a comm adapter 3 (CA3). Took some hassle getting everything installed / operational. Had big problem with connector adapter plug that goes between the CA3 cat 9pin and the j1939 plug, first one i got just DID NOT WORK (was cheap one i got off amazon, partly bc it...

Thanks for the replies guys, its very helpful :) Good avice on copying the current config file, copying down the injector trim #s too :)

Thanks for the info. I was suspecting an "A" version might be needed. Really hard to figure out what to do when it comes to (relatively) rare vehicles like these

I should have worded my question just a bit differently, I'm less concerned with the number of the version, and more with the last letter. In my research on this, it seems like "A" suffix cat ET is for offroad equipment (earthmovers and such), I think maybe agricultural too, while "C" is for...

Btw, thought id add that the part number for the ECM is 348-2377. Im having issues w my MTVR, 03 Mk25, I think the ecm has gone out... so have been researching this subject a lot over past few days. Took me a while to figure out correct ecm part #... which turns out to be printed on side of it...

What version of Cat ET is needed to work w our trucks (MTVRs)?? To scan/test/reflash? Would 2019c work?? Im having trouble w my 03 Mk25, i think the engine ECM lost its memory (went to start it the other day, it just cranked and cranked, it had sat for 2 weeks or so, hadnt done anything to it...

I havent forgotten about this. Its still in mind, ill be doing something on it. Gotten distracted by some work trucks breaking down, having to scrsmble to get them fixed (all good now). Also, i have been working on some things that are related to this (oil prsssure, flow), should be done...

I need to change fuel filters on my Mk25 in the next few days (just doing long term maintenance, shes working well but no idea how old these filters are, they are as she came from .gov). Am doing both filters fine filter on engine + coarser one/ water separator). I assume ill lose prime* when i...

Ive been looking for something like this, just hadnt found right product yet. This looks very promising... just ordered some :) My truck is low use (1200 miles on clock from govplanet) but 20 years old, lots of the rubber / similar items shows dry rot/ uv damage, some of it terminal (already...

Went in yesterday, truck after sitting 24 hours was only down 30 psi on air pressure. Made me a very happy man :) (Of course, my OCD side is like "hey, that means youve only got tiny little leaks, perhaps ONE tiny little leak somewhere... be easy to fix if you find it... then you'd have...

Working on MTVR yesterday, had new dash valve in, was running shop air into trucks system (i pulled off the drain valves under batt box and put quick connectors there, worked well for me). Went around w spray bottle of soapy water, looking for leaks. Found a few leaks (fairly minor ones at...

Ill probably put something together. Partly for mysrlf, in case i have issues down the road and have to revisit this subject, be nice to have summary document. Prob 70 to 80% of what ill present wlll be info from cat's factory documentation, but condensed into one place. The cat onfo itself...

This manual has useful information relating to troubleshooting various problems w Cat C12 engines (for MTVR). Also applies to C10, 3406E, C15,C16, C18. Mainly focuses on how to use Cat ET toolfor diagnosing / handling issues, but has some useful info even if you dont have ET tool. Ive got...

Wanted to add that I'm particularly interested in hearing from those of you who have youtube channels / otherwise post a lot of content RE MTVRs... since i've watched / utilized a lot of that myself, been very handy for me, I'd like to give back as i can