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: Hazardous Driving
WARNING
Be extremely careful if it is necessary to downshift on slippery surfaces:
Downshifting into lower gear while driving on slippery surfaces is dangerous. The
sudden change in tire speed could cause the tires to skid. This could lead to loss
of vehicle control and an accident.
When dri ...
Mazda 6 Service Manual: Variable tumble control solenoid valve inspection
1. Remove the variable tumble control solenoid valve. (See INTAKE-AIR SYSTEM
REMOVAL/INSTALLATION.)
2. Inspect airflow between the ports under the following conditions.
If not as specified, replace the variable tumble control solenoid valve.
If as specified, carry out the Circuit Open/Short ...