Diesel tranny woes.....Help pleeze

Well gentlemen'z, after a few weekz ov doctor'in my ole Truck, and tha tranny not ever git'in back to wher it wuz(altho I thunk tha Batteries dun it), I talk'in to a Cumminz specialist about my problem...He never blink'd when he said, "Change tha throttle linkage!!"....He said if it had more tha a couple hundred thousand miles, I need'd to "UpDATE" tha linkage, and TPI.......Well, I figger'd I could make bushings, and stuff to repair tha linkage...WRONG!!....Soooo, damm neer $800 and a week later, I had tha new "UPDATE THROTTLE KIT"....Bout $500 worth ov parts, and after I finished, I prolly had $400 worth leff!!!.....It's a Update package for ALL models, so a lot ov stuff ya don't use!!!....It's a pain in tha azz, and PRICEY, but tha ole Turbobee iz back to it's well manner operation!!!....Throttle responce iz quite responsive(ya don't reelize juss how wore stuff git's, till ya put new stuff back on it).,...

Anyway, juss figger'd U boyz(or Girlz) wit Hi milage Dodge truckz wit Cumminz mita want ta know what fix'd my , seemingly, ail'in tranny!!!....REX