PCV Hose Installation Note

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

SKYACTIV-G 2.0

Install the end of the PCV hose on the marking side (PCV hose with smaller inner diameter) to the PCV valve.

Fig 1: Identifying PCV Hose Installation Dimension (SKYACTIV-G 2.0)

Courtesy of MAZDA MOTORS CORP.

SKYACTIV-G 2.5

Install the end of the PCV hose on the marking side (PCV hose with larger inner diameter) to the PCV valve.

Fig 2: Identifying PCV Hose Installation Dimension (SKYACTIV-G 2.5)

Courtesy of MAZDA MOTORS CORP.