Component Inspection (Fuel Filler Cap)

1. Turn ignition switch OFF.
2. Remove fuel filler cap.
3. Wipe clean valve housing.
   Fig 1: Identifying Spring Pressure Valve, Vacuum Valve, Plate And Gasket

   Courtesy of NISSAN NORTH AMERICA, INC.
4. Install fuel filler cap adapter (commercial service tool) to fuel filler cap.
5. Check valve opening pressure and vacuum.

   Pressure: 15.3 - 20.0 kPa (0.156 - 0.204 kg/cm ²  , 2.22 - 2.90 psi) 

   Vacuum: -6.0 to -3.3 kPa (-0.061 to -0.034 kg/cm ²  , -0.87 to -0.48 psi) 

Fig 2: Checking Valve Opening Pressure And Vacuum

Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal? 

YES: INSPECTION END

NO: GO TO 2.

Replace fuel filler cap.

: INSPECTION END