You need to relieve the fuel system fuel pressure, clean all engine fuel pipe connections and areas, disconnect the fuel feed and fuel return pipe quick-connect fitting, raise and support the vehicle, disconnect the fuel return pipe quick-connect fitting, remove the threaded nut fitting, cap the in-pipe fuel filter pipe, the fuel feed pipe, and the fuel return pipe, disconnect the EVAP hoses, remove the EVAP pipe attaching hardware, note the position of the fuel and EVAP pipes, remove the fuel line bracket bolts, the fuel line brackets, and the fuel lines, inspect the pipes for bends, kinks, and cracks, and repair or replace the pipe or pipes as required.
By BobGM Specialist
01/11/2022