Welcome to Hotrodders.com. We do not use the "please help" in thread titles , we know why you are here.
How did you check the solenoids? Did you check them hydraulically and the electric?
Please describe this bump shift. I am not sure I understand. Does the trans jump around gears from 3 to 4th , back and forth?
What was the original failure problem?
Some people are like Slinkies... Not really good for anything, but they still bring a smile to your face when you push them down a flight of stairs.