Go to Diesel discussion section to see if my fix can cure yours.
subject:83 300SD trans problem.
I've been driving mine like "semiauto" for 2 weeks before I got it fixed. whenever revs up I release the gas pedal and shift it to "N" and back to "D". it will shift to the next gear... Anyway, this is not a fix but certainly it will help it shifts.
09 GL320 Bluetec 65K+
07 E320 Bluetec 43k+
05 Nissan Frontier NISMO 4X4 72K+
07 Kawasaki Vulcan 900 5k+ gone
87 300SDL 158k+ gone
91 300D 113k+ gone
83 300SD 220K+ gone
89 300E sold
87 190E sold
83 380SEL sold