F 150 Heritage 4WD Pickup V8-5.4L SOHC VIN Z Bi-fuel (2004)
9. Separate and remove the outer and the front safety belt web guides.
10. Release the backrest J-clip.
11. Release the inner backrest J-clip.
12. NOTE: Use care when separating the seat backrest covering from the hook and loop fasteners to avoid tearing the fastener from the seat foam.