Variable Valve Actuation Assembly - Removal

REMOVAL

Special Tools:










1. Remove the cylinder head cover (1) Cylinder Head Cover(s) - Removal.





2. Unlock and disconnect the oil temperature sensor electrical connector (1).
3. Disengage the oil temperature electrical connector from the bracket (2).





4. Unlock and disconnect the four variable valve timing actuator electrical connectors (5).
5. Install the (10259) (2) with four bolts (1) tightened to 9 Nm (80 in. lbs.).
6. Rotate the spring compressors (3) CCW until fully seated.






CAUTION: Do not invert the variable valve actuation assembly when it is removed from the engine. Oil will drain from the assembly and excessive engine cranking will be required to refill the assembly and start the engine.

7. Remove the ten bolts in the sequence shown.
8. Remove the variable valve timing actuation assembly, with the spring compressor attached, from the camshaft bearing housing.





9. Remove and discard the variable valve actuation assembly gasket (1).





10. If required, remove the rocker arms Valve Rocker Arm - Removal.





11. If required, use an appropriate socket (2) and remove the oil temperature sensor (1).





12. If required, remove the MultiAir actuator oil supply filter (2) from the camshaft bearing housing.