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.
Install the oil pump using the following procedure:
Temporarily tighten the three bolts shown in the illustration.
Courtesy of MAZDA MOTORS CORP.
Tighten the two bolts shown in the illustration to the specified torque.
Courtesy of MAZDA MOTORS CORP.
NOTE:
The tightening order for the two bolts is optional.
Finally, tighten the bolt shown in the illustration to the specified torque.