Mazda Mazda6 - Fuel Filter Component Removal;Installation; Nonreturn Valve Inspection

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