R reg Renault Clio Power Steering?

Hi the wifes power steering needs topped up weekly there are some oil drops on the floor,before I get very messy and confused does anyone know if there is a common or regular fault with these systems(worn seals,etc)or do I have to buy a Haynes manual and waste a day on my back(under the car, not on the couch with a can and a book)cheers.