2001 Dodge Ram 3500 Q&A

2001 Dodge Ram 3500 Question: Why will it not shift out of 1st ?

It started shifting back and forth in between 3rd and 4th when around 50. Now it will not shift out of 1st. Tranny filter or Solenoid ???? -
Answer 1
Soleniod would be recommened...... also i would tighten up the belts in the transmissionlook it up on youtube theres a guy that shows step by step i would that and if that dont help then i would rebuild if i was in shoes -