Variable Valve Timing Actuator: Service and Repair

Inspection

1. Turn the ignition switch OFF.
2. Disconnect the OCV connector.
3. Measure resistance between the OCV terminals 1 and 2.
4. Check that the resistance is within the specification.

Specification:Refer to Specification Section.

Removal

[CVVT Oil Control Valve (Bank 1)]
1. Turn ignition switch OFF and disconnect the negative (-) battery cable.
2. Disconnect the CVVT oil control valve connector (A-Intake) and (B-Exhaust).




3. Remove the cylinder head cover and the timing chain upper cover [Bank 1].

4. Remove the mounting bolt (A), and then remove the valve from the engine.





[CVVT Oil Control Valve (Bank 2)]
1. Turn ignition switch OFF and disconnect the negative (-) battery cable.
2. Disconnect the CVVT oil control valve connector (A-Intake) and (B-Exhaust).




3. Remove the cylinder head cover and the timing chain upper cover [Bank 2].

4. Remove the mounting bolt (A), and then remove the valve from the engine.






Installation

1. Installation is the reverse of removal.

CVVT oil control valve installation bolt:
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

CAUTION:
- Pay attention to color of valve connector (Harness side) and the blue marking on the chain cover when installing.
If an OCV is installed on opposite manifold, the engine may be damaged.
- Connect the CVVT oil control valve connector as below.
- Intake: OCV component marked blue color and the harness connector. (Gray)
- Exhaust: OCV component marked nothing and the harness connector. (Black)

CAUTION:
- Install the component with the specified torques.
- Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.

[Connector Color]