VTC Actuator Inspection

VTC Actuator Inspection

1. Remove the cam chain Cam Chain Removal.

2. Loosen the rocker arm adjusting screws.

3. Remove the camshaft holder.

4. Remove the intake camshaft.

5. Check that the VTC actuator is locked by turning the VTC actuator counterclockwise. If it is not locked, turn the VTC actuator clockwise until it stops, then recheck it. If it is still not locked, replace the VTC actuator.

6. Seal the retard holes (A) in the No. 1 camshaft journal with tape and a wire tie.






7. Seal one of the advance holes (A) with tape.






8. Apply air to the unsealed advance hole to release the lock.






9. Check that the VTC actuator moves smoothly. If the VTC actuator does not move smoothly, replace the VTC actuator.






10. Remove the wire tie, the tape, and adhesive residue from the No.1 camshaft journal.

11. Make sure the punch marks on the VTC actuator and the exhaust camshaft sprocket are facing up, then set the camshafts in the cylinder head.

12. Set the camshaft holders and cam chain guide B in place.

13. Tighten the camshaft holder bolts to the specified torque.

14. Hold the camshaft and turn the VTC actuator clockwise until you hear it click. Make sure to lock the VTC actuator by turning it.

15. Install the cam chain Cam Chain Installation.

16. Adjust the valve clearance Adjustments.