Welcome to RAV4World! I don't remember anyone on this forum repairing this particular seat belt. Most of us rarely use the thing. You may be able to find something here: share.qclt.com - /丰田Toyota RAV4 Repair Manual/ Edit: I think this is what you're looking for: http://share.qclt.com/丰田Toyota RAV4 Repair Manual/Seat Belt/Rear Center Seat Outer Belt Assembly/0440012.pdf Thanks, great post
