ingition barrel

[derekv]

changed cim unit and ignition barrel now the key will not turn, any idears

[Vauxhall Owners Club]

May be the ignition barrel has not slotted in correctly upon assembly?
Try taking it out and seeing if the key turns in the barrel and slowly refit it turning the key all the time and if it gets to a point where it doesn't want to turn then this is where the issue is