A tie rod assembly which includes a first rod member and an enclosure which defines an opening and contains a fluid with the first rod member affixed to the enclosure. A second rod member extends through the opening with a seal member positioned between the second rod member and the enclosure. The assembly also includes a head member affixed to the second rod member wherein the head member is positioned within the enclosure and the head member and the second rod member are moveable relative to the enclosure.