Variable Valve Timing; Variable Valve Timing Actuator Inspection; Variable Valve Timing Actuator Removal/Installation - Mazda 6 2002 Workshop Manual

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Bodyshop manual (116 pages)

Workshop manual (1248 pages)

Table of Contents

• • • • 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

• 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

9. Install the ventilation hose.

10. Install the oil control valve connector.

11. Install the high-tension lead. (See

12. Install the spark plugs. (See

13. Installs plug hole plate.

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

• Variable valve timing actuator camshaft sprocket is integrated with the variable valve timing actuator and

cannot be disassembled.

1. Follow the timing chain removal/installation procedure from 1 to 13 and remove the timing chain. (See

TIMING CHAIN

REMOVAL/INSTALLATION.)

2. Remove in the order indicated in the table.

3. Install in the reverse order of removal.

Variable valve timing actuator

B–33 Variable Valve Timing Actuator Removal

B–33 Variable Valve Timing Actuator

Installation