Hopefully someone can answer this..

BeauxPete

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short version of a long story..

Transmission goes out. R & R trans ... Three months later break input shaft that was supposed to be billet... Shop claims they forgot.. I go ahead and add all the other billet internals at this time. Put transmission back in truck. I go pick up truck from shop.. Drives like SH*T.. Shop claims electrical issues and I have it reflashed. Still does not fix issue. Pull transmission again and have R & R'ed again due to faulty coast clutch solenoid being the problem and burning up O/D and the coast drum clutches. All new solenoids went in with a new harness. What you will not see in the video is that when I am sitting at a red light the truck will engage in gear as if I was trying to do a burn out and stall. Any advice on what is going on will be much appreciated. I had Mick email me new tunes to try and still have the issues which lead me to believe it to be something else. No codes. Dropped tranny pan and everything looked perfect. Clean fluid with no shavings.

In the video this is normal driving. The Truck falls on its face between shifts and most of the time it will shift way to quick and want to stall as I take off.

Sorry about shaky camera. Louisiana roads and rough truck..

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dieseljosh07

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What convertor is installed? Was the pump change when the overhaul was done? Did you have a transgo kit installed?
 

kyle43335

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Sounds like theConverter took a chit.

I just had a similar issue with johns 550 6.0.

The input shaft snapped at 358 ft while pulling the sled. We put a 300m shaft in it,and had to send the converter out to get thepiece of shaft out of it. Once we got it back together, the converter wasnt right from then on. It would lock and unlock at will.

2 days after it locked up and never unlocked til we put a percision in it.
 
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BeauxPete

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T/C is a brand new RCD installed for the first time this last go round. Pump is good. Everything air checked perfect in transmission and line pressure with manual gauge is perfect.
 

BeauxPete

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Wasnt the TCM or PCM. Wasnt anything major at all.. Its actually kind of comical what has been giving me nightmares......
 

BeauxPete

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not a da*n thing happened come to find out.. I guess it decided to run right for 30 miles then go back to its old ways. Transmission is coming out again..
 

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