Fuel Tank One Way Valve: Testing and Inspection

NON-RETURN VALVE INSPECTION [L3]

NOTE:
- Nonreturn valve is integrated in the fuel tank. Therefore, before inspecting the nonreturn valve perform the following:

1. Remove the fuel pump unit. Removal and Replacement

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. Service and Repair

4. Verify that the nonreturn valve opens when pulled up by a finger.

- If it does not open, replace the fuel tank. Service and Repair