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

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

Replacement Part

Gasket	Retainer	O-ring
Quantity: 1	Quantity: 1	Quantity: 1
Location of use: Oil separator	Location of use: PCV valve	Location of use: PCV valve

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US))
Remove the intake manifold. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [SKYACTIV-G (VIN M (US))] .)
Remove in the order indicated in the table.
Install in the reverse order of removal.

SKYACTIV-G 2.0

Fig 1: Positive Crankcase Ventilation Valve Components With Torque Specification (SKYACTIV-G 2.0)

Courtesy of MAZDA MOTORS CORP.

SKYACTIV-G 2.5

Fig 2: Positive Crankcase Ventilation Valve Components With Torque Specification (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