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: Fuel injector removal/installation
Caution
Disconnecting/connecting the quick release connector without
cleaning it may possibly cause damage to the fuel pipe and quick release
connector. Always clean the quick release connector joint area before
disconnecting/connecting using a cloth or soft brush, and make sure that it ...
Mazda 6 Service Manual: Dsc hu/cm inspection
1. Remove the battery and battery bracket.
2. Disconnect the DSC HU/CM connector.
3. Connect the SST (49 G066 004) to the DSC HU/CM connector and
harness side connector.
4. Inspect voltage referring the table below.
Terminal Voltage Table (reference value)
(Ignition switch is at ON, and conne ...