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: Cylinder head gasket
CYLINDER HEAD GASKET REPLACEMENT
Warning
Fuel vapor is hazardous. It can very easily ignite, causing
serious injury and damage. Always keep sparks and flames away from fuel.
Fuel line spills and leakage are dangerous. Fuel can ignite and
cause serious injuries or death and damage. Fuel ...
Mazda 6 Service Manual: Fuel Economy Monitor
The Control Status and Fuel Consumption are switched and displayed by operating
each icon in the display.
In addition, after completing a trip, the total energy efficiency to date is
displayed in the ending display when the ending display is turned on.
1. Select the icon on the home
screen ...