C 3500 HD Truck 2WD V8-8.1L VIN G (2002)
13. Disconnect the fuel pressure regulator vacuum line (1).
14. Remove the fuel rail attaching bolts (3).
15. Remove the fuel rail assembly (1).
16. Remove the injector lower O-ring seal (4) from the spray tip end of each injector (3).
17. Discard the O-ring seals.
