1. Disassemble in the order indicated in the table.


2. Assemble in the reverse order of removal.
Piston Disassembly Note
Caution
1. Place a piece of wood in the caliper, then blow compressed air through the hole to force the piston out of the caliper.

Piston Seal Disassembly Note
1. Remove the piston seal from the brake caliper using the SST
.

Bleeder Screw Assembly Note
1. Assemble the bleeder screw to the caliper using the SST.
Tightening torque 6.9-9.8 N·m {71-99 kgf·cm, 62-86 in·lbf}

Disc pad (front) replacement
Rear brake (disc) inspectionMazda 6 Service Manual: Locking, Unlocking the Doors
NOTE
The system may not operate if you are too close to the windows or door
handles.
If the key is left in the following areas and you leave the vehicle,
the doors may be locked depending on the radio wave conditions even if the key
is left in the vehicle.
Around the dashboard
...
Mazda 6 Service Manual: Power brake unit inspection
Warning
The following inspection methods are the simple inspection methods
to judge the function of power brake.
If there is malfunction in power brake unit, replace the power
brake unit as a component.
Power Brake Unit Function Check (Simple Method)
Step 1
1. With the engine stoppe ...