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: Active Adaptive Shift (AAS)
Active Adaptive Shift (AAS) automatically controls the transaxle shift points
to best suit the road conditions and driver input. This improves driving feel. The
transaxle may switch to AAS mode when driving up and down slopes, cornering, driving
at high elevations, or depressing the accelerato ...
Mazda 6 Service Manual: Liftgate removal/installation
Warning
Removing the stay damper without supporting the liftgate can be
dangerous. The liftgate may fall and injure you. Open the liftgate fully and
support it before removing the stay damper.
1. Disconnect the negative battery cable.
2. Remove the liftgate lower upper trim.
3. Press ...