Caution
Note
1. Remove the under cover.
2. Draw the fluid from the reservoir with a suction pump.
3. Remove the bleeder cap from the clutch release cylinder and attach a vinyl hose to the bleeder plug.
4. Place the other end of the vinyl hose into a container.
5. Slowly pump the clutch pedal several times.
6. With the clutch pedal depressed, loosen the bleeder screw using the SST
to let fluid escape.
7. Tighten the bleeder screw using the SST
to stop the fluid.

8. Repeat Steps 4 and 5 until only clean fluid is seen.
9. Tighten the bleeder screw.
Tightening torque 5.9-8.8 N·m {60-90 kgf·cm, 53-78 in·lbf}
10. Add fluid to the MAX mark.
11. Install the under cover.
12. Verify the correct clutch operation.
Clutch fluid inspection
Clutch pedalMazda 6 Service Manual: Thermostat
THERMOSTAT REMOVAL/INSTALLATION
1. Remove the plug hole plate.
2. Disconnect the negative battery cable.
3. Drain the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS.)
4. Remove the drive belt. (See DRIVE BELT REPLACEMENT.)
5. Remove the washer tank.
6. Remove the P/S oil pump.
Note
...
Mazda 6 Service Manual: Pid/data monitor inspection
1. Connect the WDS or equivalent to the DLC-2.
2. Measure the PID value.
Note
Perform part inspection for the output device after PCM
inspection.
The PID/DATA MONITOR function monitors the calculated value of the
input/output signals in the PCM. Therefore, if a monitored value ...