Between Intake Manifold and Vacuum Pump

Remove the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
Disconnect the vacuum hose from the clip.

Fig 1: Locating Vacuum Hose From Clip
Courtesy of MAZDA MOTORS CORP.
Pinch open the clamps using pliers and disconnect the vacuum hose.
Install in the reverse order of removal. (See VACUUM HOSE (BETWEEN INTAKE MANIFOLD AND VACUUM PUMP) INSTALLATION NOTE .)