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Need help my 7.3 heads

2K views 14 replies 6 participants last post by  96gas2diesel 
#1 ·
I have 96 f350 cclb. I just converted my truck to diesel. Everything was fine from my donor truck. Now my trans only shifts first and second not 3rd or 4rth or reverse. And Im getting codes for my pcm and idm now. Would that affect my trans also? Where should i start thanks for any help or input
 
#6 ·
Sounds like the transmission needs rebuilt.
 
#8 ·
Your swapped entire wiring harnesses and all connections are made? and if it will go into reverse when you hammer it sounds like your tranny is toast or out of fluid, if its not out of fluid and it goes into gear when you hammer it you need a tranny cause that means there is no clutch material left to hold onto.
 
#11 ·
Yes, but you can find LOTS more than clutch material on the pan magnet. Dropping the pan and having a looksee is a good idea.

And if someone was JUST in there converting a 2wd trans to a 4wd, there should be ZERO clutch material on the magnet
 
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