Positive Crankcase Ventilation (PCV) Valve Removal/Installation [MZI-3.7]

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION:

A new PCV valve must be installed if removed from the cylinder head cover.
Upon removal, damage will occur to the locking mechanism on the PCV valve.

Disconnect the negative battery cable. See BATTERY REMOVAL/INSTALLATION [MZI-3.7] .
Set the power steering fluid tank out of the way. See POWER STEERING OIL PUMP REMOVAL/INSTALLATION [MZI-3.7] .
Remove in the order indicated in the table.

Fig 1: Identifying PCV Valve Hose, PCV Valve And O-Ring
Courtesy of MAZDA MOTORS CORP.
Install in the reverse order of removal.