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Resolved it by selling the lmtv. I'm pretty sure it was the lash.... Sent from my Pixel using Tapatalk

Check out the threads on tools to bring, fluids to check. Download the TM's. Have fun. Please post photos of the trip! Sent from my Pixel using Tapatalk

The ECU, control pad, wiring harness and engine speed sensor have all been replaced, transmission is still throwing code 56-33. According to the tm, I need to measure the main pressure in the transmission, since I don't have the computer, I'm either pulling the transmission or risking putting...

I've read that less is more when it comes to those readings, if the tach works at 2 tyrna, why risk running it closer Sent from my Pixel using Tapatalk

I'm at the end of my rope on my transmission also, thinking about either taking it in for service at the Allison dealer or swapping the transmission with a good one I have in another truck. Can the transmission be pulled without jacking up the truck? I'd be doing this in my driveways.... Sent...

Part number for bell housing engine speed sensor is Napa NHD 6569002. You will just need to swap the connection plug....

Napa part number NHD 6569002 works, you just have to cut the plug and wire it to match it to the lmtv... Got my tachometer working. Now it's throwing code 56-22..... frustrating, thought I had it beat.

my transmission is throwing codes, 22-15 is the speed sensor i think...... Researching this issue, i discovered that this is not an Allison part. Apparently it's not a Caterpillar part either. both dealers told me it is installed by whoever manufactures the chassis. That being the case, i'm...

I'd definitely be interested if you have a used one. My lmtv is 1998 1078 A0 version I believe with the cat 3116

It does have copper coming out of it. Definitely bad, hoping this is the root of my problems

Mine is an a0, 1998...

Part number for lmtv 1078? Anyone?? 🤞

Did anyone ever identify the part number for the 3116 engine speed sensor? My transmission was throwing codes 22-15 and 54-33...I believe both of these are related to my engine speed sensor. It has copper coming out of it as well....

Will a regular mechanic be able to do this? I don't have dial indicators, lathes or any special tools, I'm mechanically inclined, but this seems next level

Aloha all, My 1078 was having a grinding noise while coasting, I've pulled the front drive shaft thinking it might be the u joints, I drove around in 4x4 without the front drive shaft and the noise seems to be gone. I've read a lot about the front hubs being noisy due to shimming being...