Check Valve Installation Note

WARNING: This page is about a different car, the 2017 Mazda CX-9. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION:

When installing the check valve and the relief valve, verify the identification numbers and install them to the correct positions. Otherwise, the engine may stall.

Verify that the identification number is for the check valve.
Identification number (check valve)

015*

Fig 1: Check Valve Identification Number (015) Location
Courtesy of MAZDA MOTORS CORP.
Install the check valve.