Caution
Specified fluid

Note
1. Remove the bleeder cap and attach a vinyl tube to the bleeder screw.
2. Place the other end of the vinyl tube in a clear, fluid-filled container.
3. One person should depress the brake pedal a few times, and then hold it in the depressed position.
4. A second person should loosen the bleeder screw, drain out the fluid and close the screw using the SST
.
Tightening torque Front:6.9-9.8 N·m
{71-99 kgf·cm, 62-86 in·lbf} Rear:5.9-8.8 N·m
{61-89 kgf·cm, 53-77 in·lbf}

5. Repeat steps 3 and 4 until no air bubbles are seen.
6. Bleed air from each component by following the procedure above.
7. After air bleeding, check the following:
Vacuum hose check valve inspection (power brake unit)Mazda 6 Service Manual: Engine control system operation inspection
Main Relay Operation Inspection
Verify that the main relay clicks when the ignition switch is turned to ON
position and off.
If there is no operation sound, inspect the following.
- Main relay (See RELAY INSPECTION.)
- Harness and connector between ignition switch and main relay termi ...
Mazda 6 Service Manual: No.1 while vehicle is in reverse, vehicle locator mark goes forward
When performing an asterisked (*) troubleshooting inspection, shake the
wiring harness and connectors while doing the inspection to discover whether
poor contact points are the cause of any intermittent malfunction. If there
is a problem, check to make sure connectors, terminals and wiri ...