Your front 'strut bar bushes' are 'hydrolic' (Gell filled) same as the engine mounts, to give a quiet ride but as such they 'flex' and after 6-8 Yrs. fail.
For a 'firmer' ride (& excelent handeling) and to never worry about them again grab a "Nolathane" front end 'kit' for less than the price...