Fiesta ST150 2008(58) Performance Blue
I did this not so long ago, a lot quieter PAS Pump because of it too. Took about 30 mins, easy win.
Guide: How to change Power Steering fluidIf you have a whining steering pump then it could either be a fault with the pump itself or the fluid will have boiled. You can check the fluid by dipping your finger in to the reservoir and checking its colour. Normally it's a kind of cherry red, when it's brown / black then it's probably worth...www.fiestastoc.com