FUEL TANK INSPECTION [WL-C, WE-C]

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Note

•  This inspection is for the two rollover valves and the check valve (two-way) which is integrated in the fuel hose.

1.  Follow “BEFORE REPAIR PROCEDURE” before performing any work operations to prevent fuel from spilling from the fuel system. (See BEFORE REPAIR PROCEDURE [WL-C, WE-C].)

2.  Disconnect the negative battery cable.

3.  Remove the fuel tank. (See FUEL TANK REMOVAL/INSTALLATION [WL-C, WE-C].)

4.  Plug the fuel pipe of the fuel gauge sender unit.

5.  Plug port C.

6.  Connect the pump to port B.

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7.  Level the fuel tank.

8.  Apply pressure of 5—6 kPa {38—45 mmHg, 1.5—1.7 inHg} to port B.

(1)  Verify there is airflow from port A.

•  If there is no airflow, replace the two rollover valves and the three fuel hoses indicated in the figure.

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9.  Apply pressure of –5—–6 kPa {–38—–45 mmHg, –1.5—–1.7 inHg} to port B.

•  If there is no airflow, replace the two rollover valves and the three fuel hoses indicated in the figure.

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•  If there is airflow, turn the fuel tank upside-down and proceed to next step.

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10.  Apply pressure of 5—6 kPa {38—45 mmHg, 1.5—1.7 inHg} to port B.

(1)  Verify there is no airflow from port A.

•  If there is airflow, replace the two rollover valves and the three fuel hoses indicated in the figure.

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