I might need a bit of advice on this one.
The new lock mechanism turned up during the week. I had a bit of time today to swap the old for new as it only takes about 15 minutes at the most. I checked the two mechanisms side by side first and all seemed well. The replacement wasn't exactly the same, as you can see there's a spring not fitted to the replacement. However, this doesn't seem to affect the working of the lock so I went ahead and fitted it.
I felt quite happy with things until I pressed the key fob to lock and then tried to reopen the door. It was deadlocked.
You can imagine the language that followed so I'll spare you having to be exposed to that.
Anyway, no matter what I tried the door just wouldn't open. I was just about to drill the new mechanism to wind it back manually and the car locked itself as it does when you haven't opened the driver's door after unlocking it. I unlocked the car, tried the rear door and it opened.
Now the sensible thing to do would have been to stop and think, except I shut the door and locked the car to see if it had decided to work. Deadlocked again. So I repeated the unlocking without opening the driver's door a few times and on the fifth attempt the rear door opened. This time I took the lock out and refitted the original as it was working just fine despite having holes drilled in it.
Half an hour before this, the original was working perfectly but on refitting it and locking the car, it now decided to deadlock itself!
I've tried using both locks manually whilst unplugged and both are deciding to deadlock for some reason. Both work intermittently by using the old trick of banging the door in the right place. Both old and new mechanisms are acting in the same way when plugged in and when not plugged in. I'd understand if one was doing this but both mechanisms are acting the same way and it's driving me a bit crazy. The door loom looks fine and in fairness it's been working perfectly all week. I've stopped for now as I needed a break before I lose the plot. The car is unlocked and the rear door opens at the moment. It's on the drive behind the van so it's not going anywhere but I'd rather have it locked overnight.
Does anyone have a clue as to what's happening and what I could do next?