1. Remove the clamps and vacuum hose.
2. Apply both suction and pressure to the engine-side hose, and verify that air blows only toward that side.

Air bleeding
Brake pedal inspectionMazda 6 Service Manual: Brake pedal inspection
Brake Pedal Height Inspection
Verify that the distance from the carpet to the center of the upper surface
of the pedal pad is as specified.
Pedal height (reference value)
Brake Pedal Height Adjustment
1. Loosen locknut B and turn the bolt A until it does not contact the pedal.
2. Loosen l ...
Mazda 6 Service Manual: Front seat belt removal/installation
Warning
Handling the front seat belt (pre-tensioner seat belt) improperly
can accidentally deploy the pre-tensioner, which may seriously injure you.
Read SERVICE WARNINGS before handling the front seat belt. (See SERVICE
WARNINGS.)
Warning
The side air bag sensor is attached to t ...