Mazda MX-6 1998, Руководство по ремонту

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FUEL SYSTEM
8. Verify that there is airflow from port B when
pressure of +0.98 kPa {+7.4 mmHg, +0.29 inHg}
is applied to port A.
9. If there is no airflow, replace the fuel. tank.
10. Turn the fuel tank upside-down with port C
plugged as shown in the figure.
11. Verify that there is no airflow from port B when
pressure of +0.98 kPa {+7.4 mmHg, +0.29 inHg}
Is applied to port A.
12. If there is airflow, replace the fuel tank.
13. Remove the plug on port C and plug port B as
shown in the figure.
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14. Verify that there is no airflow from port C when
pressure of +0.98 kPa {+7.4 mmHg, +0.29 inHg}
is applied to port A.
15. If there is airflow, replace the fuel tank.
FUEL SHUT-OFF VALVE INSPECTION
Note
• The fuel shut-off valve is located in the fuel
tank. Carry out the “FUEL TANK INSPECTION". (Refer
to 01-14 FUEL TANK INSPECTION.)
NONRETURN VALVE INSPECTION
1. Remove the fuel-filler pipe. (Refer to 01-14 FUEL
TANK REMOVAL/INSTALLATION.)
2. Verify that the projection on the nonreturn valve is
aligned with the notch on the fuel-filler pipe.
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3. If not, remove the nonreturn valve and align the
projection with the notch, then reinstall.
4. Verify that the nonreturn valve is closed when the
fuel-filler pipe end is held up vertically.
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5. If it opens, replace the nonreturn valve.
6. Verify that the nonreturn valve opens under its
own weight when the fuel-filler pipe end is held
down vertically.
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7. If it does not open, replace the nonreturn valve.
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