Warning
Caution
1. Level the vehicle.
2. Complete the BEFORE REPAIR PROCEDURE. (See BEFORE REPAIR PROCEDURE.)
3. Disconnect the negative battery cable.
4. Remove the fuel pump unit. (See FUEL PUMP UNIT REMOVAL/INSTALLATION.)
5. Siphon the fuel from the fuel tank.
6. Remove the middle pipe. (See EXHAUST SYSTEM REMOVAL/INSTALLATION.)
7. Remove in the order indicated in the table.
8. Install in the reverse order of removal.
9. Complete the AFTER REPAIR PROCEDURE. (See AFTER REPAIR PROCEDURE.)


Breather Hose Installation Note
Fit the breather hose onto the respective fittings, and install clamps as shown.

Joint Hose Installation Note
Fit the joint hose onto the respective fittings, and install clamps as shown.

After repair procedure
Fuel tank inspectionMazda 6 Service Manual: Diagnostic assist function
Structural View
Switch location
LCD Inspection
1. With audio on, first press the POWER button, then simultaneously press the
SEEK button (upper) for approximately 1 second.
2. Inspect the LCD according to the following table:
3. Turn the audio off or the ignition switch to the LOCK posi ...
Mazda 6 Service Manual: Variable intake-air system (vis) shutter valve actuator inspection (l3)
1. Remove the air hose. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
2. Disconnect the vacuum hose from the VIS shutter valve actuator.
3. Connect a vacuum pump to the VIS shutter valve actuator.
4. Apply vacuum and verify that the rod moves.
If the rod dose not move, replace the intake ma ...