Component Inspection

FUEL TANK VACUUM RELIEF VALVE (BUILT INTO FUEL FILLER CAP)

1. Wipe clean valve housing.
   Fig 1: Sectional View Of Fuel Tank Vacuum Relief Valve

   Courtesy of NISSAN MOTOR CO., U.S.A.
2. 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) 

3. If out of specification, replace fuel filler cap as an assembly.
   CAUTION: Use only a genuine fuel filler cap as a replacement. If an incorrect fuel filler cap is used, the MIL may come on.
   Fig 2: Checking Valve Opening Pressure And Vacuum

   Courtesy of NISSAN MOTOR CO., U.S.A.