hey its gonna be hard, but not imposible...
you should get in contact with this Mr. Afzaal Butt.... he runs a workshop in Johar Town and his an expert with Range Rovers, Land Rovers, or any 4x4 for that matter.
here's the contact no: Afzaal Butt: 03014529152
or his son: Mubashar Butt: 03004430466
good luck!