Vacuum leak in door Locks
Hi all, I have a 1985 300D sedan. My doors would lock after engine shut down but never unlock. Now my engine doesn't shut off without me opening the hood and hitting the emergency shut down and only 3 of the doors lock. The front passenger door doesn't lock any more and I'm thinking if I can find that leak or isolate it I will solve my engine shut down problem. I have checked and replaced some rubber vacuum fittings and that didn't seem to help at all. My vacuum lines don't seem to look exactly like others I have seen, My engine compartment is pretty dirty and was thinking maybe I should steam clean to help find the problem. Any help would be appreciated.