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: Oil pressure switch inspection
1. Verify that the oil pressure warning light illuminates when the ignition
switch is at ON position.
2. Verify that the oil pressure warning light goes off when the engine is
started.
If the oil pressure warning light does not illuminate or remains
illuminated, inspect the related wirin ...
Mazda 6 Service Manual: Dual proportioning valve inspection (without abs)
1. Connect the SSTs to the brake pipes as shown in the figure.
2. Bleed the air from the brake system.
3. Measure the fluid pressure of the master cylinder and the rear brake.
If not within the specification, replace the dual proportioning valve.
Fluid pressure
...