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Home >> Mazda >> 2021 >> CX-5 Signature >> Repair and Diagnosis >> External Pages >> Different car >> Section 100 (Engine Mechanical System) >> Timing Chain Removal/Installation >> Electric Variable Valve Timing Motor/Driver Installation Note
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Electric Variable Valve Timing Motor/Driver Installation Note

WARNING: This page is about a different car, the 2017 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
  1. 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: Electric Variable Valve Timing Motor/Driver
    G11429994Courtesy of MAZDA MOTORS CORP.
  2. 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: Rotating Eccentric Shaft On Electric Variable Valve Timing Actuator Side
    G09785128Courtesy 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: Joint And Joint Groove
      G09785129Courtesy 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}