1. Disconnect the negative battery cable.
2. Remove the air cleaner component. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
Caution
3. Remove the clip and disconnect the selector cable.

4. Rotate the manual shaft to the converter housing side fully, then return 2 notches to set the N position.

5. Disconnect the TR switch connector.

6. Loosen the TR switch mounting bolts.

7. Measure the resistance between the terminals B and C.

8. Adjust the switch to the point as follow.
9. Tighten the TR switch mounting bolts.
Tightening torque 8-11 N·m {82-112 kgf·cm, 71-97 in·lbf}
10. Move the selector lever to N position.
11. Verify that the TR switch is aligned with N position.
12. Connect the TR switch connector.
13. Install the clip to the selector cable as shown in the figure.

14. Connect the selector cable to the manual shaft lever as shown in the figure.

15. Inspect operation of the TR switch. (See TRANSAXLE RANGE (TR) SWITCH INSPECTION.)
16. Install the air cleaner component. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
17. Connect the negative battery cable.
Transaxle range (tr) switch removal/installation
Transaxle fluid temperature (tft) sensor inspectionMazda 6 Service Manual: Trunk Lid
WARNING
Never allow a person to ride in the trunk: Allowing a person to ride
in the trunk is dangerous. The person in the trunk could be seriously injured or
killed during sudden braking or a collision.
Do not drive with the trunk lid open: Exhaust gas in the cabin of a vehicle
is dangerous. ...
Mazda 6 Service Manual: 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 normally closed by the spring force.
3. Verify that the nonreturn valve is closed.
If the nonretu ...