Mazda 6 Service Manual: Variable valve timing actuator inspection

Mazda 6 Service Manual / Engine / Variable valve timing / Variable valve timing actuator inspection

Caution

Variable valve timing actuator can not be disassembled it is a precision unit.

1. Disconnect the negative battery cable.

2. Remove the plug hole plate.

3. Remove the high-tension lead.

4. Remove the oil control valve connector.

5. Remove the ventilation hose.

6. Remove the cylinder head cover.

7. Confirm that notch of the rotor and bump of the cover at the variable valve timing actuator are aligned and fitted.

If the notch and the bump are not aligned, turn the crankshaft clockwise two rotations.
Verify that the bump and the notch are aligned.
If the bump and notch are still not aligned, replace the variable valve timing actuator.
If, when turning the crankshaft, there is a hitting noise from the variable valve timing actuator each time the cam passes the fully lifted position, it means that the actuator is not secured. Replace the actuator.

8. Install the cylinder head cover. (See Cylinder Head Cover Installation Note.)

9. Install the ventilation hose.

10. Install the oil control valve connector.

11. Install the high-tension lead. (See HIGH-TENSION LEAD REMOVAL/INSTALLATION.)

12. Install the spark plugs. (See SPARK PLUG REMOVAL/INSTALLATION.)

13. Installs plug hole plate.

Variable valve timing

...

Variable valve timing actuator removal/installation

L3 Caution Variable valve timing actuator can not be disassembled because it is a precision unit. Note Variable valve timing actuator camshaft sprocket is integrated with the variabl ...

Other materials:

Mazda 6 Service Manual: Base removal
1. Remove the rearview mirror. 2. Wind each end of a wire around a bar. Warning Using a SST (piano wire) with bare hands can cause injury. Always wear gloves when using a SST (piano wire). Note Use a long sawing action to spread the work over the whole length of the SST (piano w ...

Mazda 6 Service Manual: Seek Switch
AM/FM radio Press the seek switch ( , ). The radio switches to the next/previous stored station in the order that it was stored. Press and hold the seek switch ( , ) to seek all usable stations at a higher or lower frequency whether programmed or not. Radio stations which have been previ ...