You will have to remove the large bolt securing the bottom end of the seat belt to the floor. Then you can slide the seatbelt through the guide. It may require either a socket (5/8 inch to 3/4 inch) or a large star bit, known as a Torx. The Torx size is most likely either 45 or 50.
Wednesday, September 21st, 2011 AT 5:15 AM