Brake Judder Repair Hint
1. (See FRONT BRAKE (DISC) INSPECTION.)
Disc Plate Thickness Inspection
Caution
1. Measure the thickness of the disc plate.
Minimum
8 mm {0.31 in}
Minimum thickness after machining using a brake lathe on-vehicle
8.8 mm {0.35 in}
Disc Pad Thickness Inspection
1. Jack up the front of the vehicle and support it with safety stands.
2. Remove the wheel and tires.
3. Verify the remaining thickness of the pads.
Minimum thickness
2.0 mm {0.079 in} min.
4. Replace the pads as a set: right and left wheels, if either one is at or less than the minimum thickness.

Caliper (front) disassembly/assembly
Rear brake (disc) removal/installationMazda 6 Service Manual: Camshaft position (cmp) sensor inspection
Caution
When foreign material such as an iron chip is on the CMP sensor,
it can cause abnormal output from the sensor because of flux turbulence and
adversely affect the engine control. Be sure there is no foreign material on
the CMP sensor when replacing.
Note
Perform the follow ...
Mazda 6 Service Manual: Instrument cluster configuration
1. Connect the SST (WDS or equivalent) to the DLC-2.
2. Input vehicle information following the directions on the screen.
3. Select Module programming.
4. Select Programmable module installation.
5. Select the following items and perform procedures according to directions
on the screen.
...