Well..the car went in for the recall. It was only at the dealers for around an hour and a half!
The rear arms had drain holes out in them and then rust treated, the fronts were given the same treatment too.
We were talking to the mechanic doing the job and he reckoned that they have had around 20 Santy's back and only 1 needed parts.
He also said that  most of the Trajets they had worked on needed replacement arms...seems that they are a lot worse than than the Santy's in this respect.
A weird thing though, since the car has been in, it seems like it is a bit louder. It is as if a window is open very slightly and the noise of passing traffic is more noticable. There is no reason for this that I can work out...but other people have mentioned it too and I haven't said anything to them about it. Weird!! I will have to check the door seals etc