Electric Variable Valve Timing Motor/Driver Installation Note

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Install a new O-ring to the O-ring installation groove of the engine front cover.
CAUTION:
- To prevent damage to the electric variable valve timing motor/driver, do not apply excessive force (force of 100 N {10.2 kgf, 22.5 lbf} or more) to the shaded areas shown in the figure.
Fig 1: O-Ring Installation Groove Of Engine Front Cover
Courtesy of MAZDA MOTORS CORP.
Install the electric variable valve timing motor/driver using the following procedures.
NOTE:
- The eccentric shaft on the electric variable valve timing actuator side can be rotated to the left and right.
Fig 2: Installing Electric Variable Valve Timing Actuator
Courtesy of MAZDA MOTORS CORP.
- The electric variable valve timing motor/driver can be assembled with the joint groove of the eccentric shaft in any position, and it will not lead to vehicle damage or performance reduction.
1. Before installation, rotate the joint on the end of the electric variable valve timing motor so that it is aligned to the joint groove on the electric variable valve timing actuator side.
  
  Fig 3: Rotating Joint On Electric Variable Valve Timing Motor
  Courtesy of MAZDA MOTORS CORP.
2. Engage the joint on the end of the electric variable valve timing motor with the joint groove on the electric variable valve timing actuator side.
3. Attach the seal surface.
4. Tighten the electric variable valve timing motor/driver installation bolts.
Tightening torque

20-26 N.m {2.1-2.6 kgf.m, 15-19 ft.lbf}