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Mazda 3 Service Manual: Variable Valve Timing Actuator Inspection [Mzr 2.3 Disi Turbo]

Mazda 3 Service Manual / Engine / General / Variable Valve Timing Actuator Inspection [Mzr 2.3 Disi Turbo]

CAUTION:

1. Remove the battery cover..

2. Disconnect the negative battery cable..

3. Remove the charge air cooler..

4. Remove the ignition coils..

5. Disconnect the ventilation hose from the cylinder head cover..

6. Remove the cylinder head cover..

7. Inspect the variable valve timing actuator for damage around the stopper pin cap (A), or a missing stopper pin cap (B), spring and stopper.


CAUTION:

8. Turn the crankshaft clockwise so that the notches on the variable valve timing actuator can be checked.


9. Turn the camshaft counterclockwise to align the notches on the variable valve timing actuator.


10. With the notches aligned, turn the camshaft clockwise 30 degrees.


11. Verify the notches again.


NOTE:

12. Install in the reverse order of removal.

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