Remove the tailgate and the hooks. 2. Clean the entire truck bed with a clean dry cloth. 3. Install the extension brackets into the hook holes. 4. Apply adhesive tape to the required areas of the truck bed and apply the rust prevention spray to the entire truck bed. 5. Using dimples marked on the liner, drill the rail clip location holes. 6. Install the rail clips into the drilled locations on the liner. 7. Install the liner into the truck bed. 8. Install the rear plug. 9. Fasten the hooks into the pre-drilled locations. 10. Remove the screws. 11. Apply adhesive tape to the required areas. Don’t remove the top layer of tape until you apply the rust prevention spray. 12. Install the tailgate. Press down firmly to ensure that the adhesive tape is contacted. 13. Install the caps into the pre-drilled locations on the tailgate.