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shifting-problems

  1. General Discussion
    So I’ve been having this issues for over a year now. Last year a trans fluid line blew and made The tranny slip with no fluid in it, good thing it happened a block from my house. After I fixed it up and re filled it she worked fine for few weeks then it started to get stuck into gear i believe...
  2. General Discussion
    Only code is inputs speed sensor and tcm code, whoever put the tranny on last put it on kinked and cracked the adapter plate and bell housing. I’m having both of those replaced and hoping the sensor fixes the shifting problem. it’s a 05 lly 4x4 and it shifts hard from 1-2 then is stuck in 2 but...
  3. 01-04.5 LB7 Duramax Powertrain
    Bought 2002 HD truck 3 weeks ago, had it checked out at dealership before I bought it. The problem is when it shifts to 2nd or 3rd or 4th range when driving it normal, occasionally the engine does a brief rev-up during the shift. The shift is not sluggish. I believe it is mainly 3rd gear it does...
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