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: Turning the Engine Off
WARNINGDo not stop the engine while the vehicle is moving: Stopping the
engine while the vehicle is moving for any reason other than in an emergency is
dangerous. Stopping the engine while the vehicle is moving will result in reduced
braking ability due to the loss of power braking, which coul ...
Mazda 6 Service Manual: Side protector installation
1. Remove the adhesive remaining on the side protector (if it will be reused)
and the body using a razor.
2. Remove any grease or dirt from the adhesion surface of the side protector
(if it will be reused) and the body.
3. Attach double-sided adhesive tape to the side protector as shown (if it ...