Technical Newbie rear wiper question

[billathome65]

Cheers I will get to it when I get a moment just trying to get her in a garage at the moment as the break lines all need replacing I used to do a fair bit of work on my own cars but over the years have got out of the habit etc.

 

[Elxpunto90]

I know the feeling I had mine replaced when had not done they failed off excessive corrosion cost £150 inc labour to have both rears done