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2001 LMTV My CTIS has never worked since I bought my truck. Started messing with it and if I hit the CTIS box with a wrench it would start to work then quit. So I bought a new controller and installed it. It seems to work. I can hear valves opening every 15 seconds or so. After the 4th valve...

I have been through all the connections on transmission , inside kick panel disconnected reconnected ecu, looked inside ecu no corrosion, and front of truck connections, Keep getting code D1-6600 . Down shifts are pretty hard when I let off the gas all the way. 6600 is coming up as a serial...

2001 M1078 with an Allison 3070. I had a real bad leak inside the bellhousing pretty much pouring out. Lost a gallon of fluid on the way home. I called Allison and got a new input shaft seal. Replaced the front input shaft seal, reinstalled the trans and still leaking the same didnt make any...

Found a company that has a performance box that plugs between the ECU and the wiring harness, Its made by AG Diesel solutions, just curious if anyone has tried it before. I tried calling the company to get info but keep getting women in the tech department who sound like they are reading a text...

2001 M1078 3126B Had the truck at work today and had been driving it off and on all day. Went to go home got up to about 40mph and the ABS light came on and the engine died like someone shut it off, costed off the road and it cranks but wont start. All the fuses are good, swapted some...

Bought a 2001 LMTV with a 3126 and allison MD3070 transmission. I have two questions. My front seal is leaking in the transmission assuming the input shaft for the torque converter. The only issue is that it puddles on the ground as a white/pink foam. Not sure its water or just foaming up from...

1968 M35a2 non turbo I read here about how to turn up the fuel on the injection pump. I noticed on my truck that someone has already maxed it out. The only thing is that my truck doesnt smoke at all. Does this mean that my injection pump is worn out and its not supplying enough fuel? It runs...

My 900x20 tires are pretty old on my truck so Im thinking about getting new tires. The problem is that I can't decied which tires to go with. Right now at about 2200RPM Im running around 52mph. I want to get a little more speed out of the truck so I was thinking about going with the titan...

I just bought my first M35a2 a few months ago and turns out it needed a lot more work than I had originaly thought. I dont think the last guy did anything to it because it basically needed everything. Fuel filters were so clogged I cant even believe it was running. Master cylinder had no fluid...

Just bought my first 1968 M35a2 mutlifuel truck a month ago and I have ran into a few questions that I havent been able to find. The last owner said originally the truck was a turbo model, then in 1989 the military rebuilt most of the truck and the turbo was taken off. I believe this to be true...

I had a bearing go bad on my front axle and plan on replacing the boot and seals. I currently have everything apart but cant figure out how to get the inner seal out of the axle housing, it almost seams as it would have to be pushed through the housing and come out where the 3rd member is. Ben