Nonreturn Valve Inspection; Fuel Filter Component Removal/Installation - Mazda Mazda6 Workshop Manual Supplement

NONRETURN VALVE INSPECTION

Note
• Nonreturn valve is integrated in the fuel tank. Therefore, before inspecting the nonreturn valve perform the
follwing:
1. Remove the fuel gauge sender unit. (See
2. Siphon the fuel from the fuel tank.
Note
• The nonreturn valve is normally closed by the spring force.
3. Verify that the nonreturn valve is closed.
• If it is stuck open, replace the fuel tank.
4. Verify that the nonreturn valve opens when pulled up by a finger.
• If it does not open, replace the nonreturn valve.
End Of Sie

FUEL FILTER COMPONENT REMOVAL/INSTALLATION

1. Disconnect the negative battery cable.
2. Complete the "BEFORE REPAIR PROCEDURE". (See
3. Remove in the order indicated in the table.
L.H.D.
R.H.D.
.
1 Connector
2 Fuel hose
3 Installation nut
4 Fuel filter body
4. Install in the reverse order of removal.
5. Complete the "AFTER REPAIR PROCEDURE".
(See F2–45 AFTER REPAIR
6. Start the engine and verify that fuel does not leak
from the fuel system.
• If fuel leaks, reinstall the fuel filter.
End Of Sie
F2–50
FUEL SYSTEM
F2–45 FUEL TANK
PROCEDURE.)
REMOVAL/INSTALLATION.)
F2–45 BEFORE REPAIR
3
1
4
4
2
A6E401242270201
A6E401234802201
PROCEDURE.)
2
A6E40122010
3
A6E40122011