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NONRETURN Valve Inspection

  1. Remove the fuel-filler pipe. (See FUEL TANK REMOVAL/INSTALLATION )
  2. Move the valve and verify that the valve opens to 90°. 
    • If it does not open, replace the fuel-filler pipe.
  3. Verify that the nonreturn valve returns to the normal position by spring force.
    • If it does not return, replace the fuel-filler pipe.
    4. Fig 1: Identifying Nonreturn Valve
    G03635882Courtesy of MAZDA MOTORS CORP.
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