Positive Crankcase Ventilation (PCV) Valve Removal/Installation: Notes

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
Remove the intake manifold. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
Remove in the order indicated in the table.

Install in the reverse order of removal.

Fig 1: Removing/Installing Positive Crankcase Ventilation Valve Parts - SKYACTIV-G 2.0

Courtesy of MAZDA MOTORS CORP.

COMPONENT DESCRIPTION

1	PCV hose (See PCV Hose Installation Note .)
2	Oil separator
3	Retainer (See Retainer Removal Note .) (See Retainer Installation Note .)
4	PCV valve

Fig 2: Removing/Installing Positive Crankcase Ventilation Valve Parts - SKYACTIV-G 2.5

Courtesy of MAZDA MOTORS CORP.

COMPONENT DESCRIPTION

1	PCV hose (See PCV Hose Installation Note .)
2	Oil separator
3	Retainer (See Retainer Removal Note .) (See Retainer Installation Note .)
4	PCV valve