2006 ram 2500 megacab 360,000 miles. Located in central ArkansasTruck would not shift into park. I dropped the pan and valve body and found front/second gear band had come apart and lug from adjusting bolt to front shifter band was jammed in shift comb. Any recommendations on transmission parts, overdrive piston, and any other recommended parts while valve bady is off. Already replaced pressure gov and sensor, and of course front band. Thank you