Abstract: A method for replacing a single retractor in a vehicle seat belt system of the type having two retractors, each retractor winding a belt having an end extending through a belt slot of a latch member and sewn to itself, said method comprising the steps of: cutting the belt end of the one belt wound by the one retractor which is to be replaced so that the one retractor and one belt may be disassembled from the vehicle while the other retractor and its belt remain installed in the vehicle; installing a replacement retractor winding a belt having a belt end carrying a hook member; hooking the hook member through the belt slot of the latch member; and permanently installing a keeper member on the hook member to prevent the subsequent unhooking of the hook member from the latch member.