Variable Valve Timing Actuator: Service and Repair

VARIABLE VALVE TIMING ACTUATOR REMOVAL/INSTALLATION [LF]

CAUTION:
- Variable valve timing actuator can not be disassembled because it is a precision unit.

NOTE:
- Intake camshaft sprocket is integrated with the variable valve timing actuator and cannot be disassembled.

1. Follow the valve clearance adjustment procedure from 1 to 23 and remove the intake camshaft and variable valve timing actuator as a single unit. Adjustments

2. Remove the variable valve timing actuator.
a. Mark the camshaft and variable valve timing actuator as shown in the figure to make sure they are installed in their original position.






b. Secure the camshaft in a vise.

c. Loosen the variable valve timing actuator tightening bolt.

3. Install a new washer.






4. Install the variable valve timing actuator.
a. Secure the camshaft in a vise.

b. Align the marks of the camshaft and variable valve timing actuator.

CAUTION:
- When the variable valve timing actuator is replaced with a new one, mark it in the same location as the old one.

c. Tighten the variable valve timing actuator tightening bolt.

Tightening torque
- 69-75 Nm {7.1-7.6 kgf-m, 50.9-55.3 ft-lbf}

5. Follow the valve clearance adjustment procedure from 24 to 55 and install the intake camshaft and variable valve timing actuator. Adjustments
NOTE:
- If the alignment marks on the variable valve timing actuator are not available, refer to the "TIMING CHAIN ASSEMBLY" in the engine service information and perform the sprocket position alignment again.