Mazda 6 manuals

Mazda 6 Service Manual: Fuel tank inspection

Caution

Note

1. Disconnect the plastic fuel hose and the fuel pump unit connector. (See FUEL PUMP UNIT REMOVAL/INSTALLATION.)

2. Remove the fuel tank with the fuel pump unit. (See FUEL TANK REMOVAL/INSTALLATION.)

3. Plug the fuel pipe of the fuel pump unit.

4. Connect the pump to port A.


5. Level the fuel tank.

6. Apply pressure of -2.0 kpa {-34 mmHg, -1.3 inHg}

to port A.

(1) Plug port C and verify there is vacuum from port B.

7. Apply pressure of +5.9 kPa {+44 mmHg, +1.7 inHg}

to port A.

8. Turn the fuel tank upside-down and apply pressure of -2.0 kPa {-15 mmHg, -0.6 inHg}

to port A.

(1) Plug port C and verify there is no vacuum from port B.


Fuel tank removal/installation
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Nonreturn valve inspection
1. Remove the fuel pump unit. (See FUEL PUMP UNIT REMOVAL/INSTALLATION.) 2. Siphon the fuel from the fuel tank. Note Nonreturn valve is integrated in the fuel tank. The nonreturn valve is norm ...

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