twist and twist and twist
 

went out to drive the 911 today ... put the key in the drivers door lock
and twist and twist and twist...
lock did not open
what happened ???
can the cylinder all of a sudden go bad???
help.............................................. ...........................please

see this thread -- i had same problem with my non-central-locking 911 and it was a relatively easy fix once I took the inner door card off to locate locking mechanism -- literally a single loose screw -- http://forums.pelicanparts.com/porsche-911-technical-forum/597984-door-wont-lock-key.html

sorry its a 1982 SC

thanks ... I'll check the screw

Gotta take the handle out to get at the screw.

Took the handle off ....
tightened the screw and it WORKS!!!
thanks for helping!!!!!