Retainer 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.

CAUTION:

Be sure to replace the old retainer with a new one to prevent the escape of blow-by gas. Reinstalling the old retainer will reduce airtightness.

Make sure that the retainer alignment mark is directed as shown in the left diagram before installing the retainer to the oil separator.
SKYACTIV-G 2.0

Fig 1: Identifying Oil Separator, Retainer And Retainer Alignment Mark (SKYACTIV-G 2.0)
Courtesy of MAZDA MOTORS CORP.

SKYACTIV-G 2.5

Fig 2: Identifying Oil Separator, Retainer And Retainer Alignment Mark (SKYACTIV-G 2.5)
Courtesy of MAZDA MOTORS CORP.