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: Woofer removal/installation
4SD
1. Disconnect the negative battery cable.
2. Remove the rear package trim.
3. Remove in the order indicated in the table.
4. Install in the reverse order of removal.
5HB
1. Disconnect the negative battery cable.
2. Remove in the order indicated in the table.
3. Install in the rev ...
Mazda 6 Service Manual: Wiper and washer switch inspection
Windshield Wiper And Washer Switch
Without vehicle-speed sensing type wipers
1. Remove the wiper and washer switch. (See WIPER AND WASHER SWITCH
REMOVAL/INSTALLATION)
2. Inspect for continuity between the wiper and washer switch terminals using
an ohmmeter.
If not as specified, replace th ...