What's that!!
Its when you clean the wiper blades with vinegar sometimes get rid of the noise
What's that!!
You could remove the wipers and wrap some black tape round the arm at the point there is movement. Then refit the wipers, test thickness until there is no more playMy wipers are noisey too, clunking when they change direction. Mine is caused by the plastic bit that fits to the metal arm wobbling side to side and therefore clunks when it changes direction. I think the only cure is to replace them as I don't think I'm going to be able to get the plastic bits seperately. Will look at the Valeo.