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: Schedule 2
Chart symbols:
I
: Inspect: Inspect and clean, repair, adjust, fill up, or replace if necessary.
R
: Replace
L
: Lubricate
C
: Clean
T
: Tighten
Remarks:
*1 Use of FL-22 is recommended when replacing engine coolant. Using engine coolant other than FL ...
Mazda 6 Service Manual: Battery inspection
Battery
Inspect the battery in the following procedure.
Test load chart
Battery positive voltage with load
Back-up Current
1. Verify that the engine switch is at OFF and that the key has been removed.
2. Disconnect the negative battery cable.
3. Measure the back-up current between the n ...