Mazda 3 manuals

Mazda 3 Service Manual: Variable Valve Timing Actuator Inspection [Mzr 2.0, Mzr 2.5]

Mazda 3 Service Manual / Engine / General / Variable Valve Timing Actuator Inspection [Mzr 2.0, Mzr 2.5]

CAUTION:

1. Remove the battery cover..

2. Disconnect the negative battery cable..

3. Remove the plug hole plate..

4. Disconnect the wiring harness.

5. Remove the ignition coils..

6. Remove the spark plugs..

7. Remove the ventilation hose.

8. Remove the oil level gauge.

9. Remove the cylinder head cover..

10. 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:

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


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


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


14. Verify the notches again.


NOTE:

15. Install in the reverse order of removal.

Variable Tumble Solenoid Valve Inspection [Mzr 2.0, Mzr 2.5]
Airflow Inspection 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the variable tumble solenoid valve.. 4. Inspect airflow between the ports under the followi ...

Variable Valve Timing Actuator Inspection [Mzr 2.3 Disi Turbo]
CAUTION: Variable valve timing actuator cannot be disassembled because it is a precision unit. 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove t ...

Other materials:

Hood Latch Switch Inspection
1. Disconnect the negative battery cable.. 2. Remove the hood latch.. 3. Verify that the continuity is as indicated in the table. If not as indicated in the table, replace the hood latch. NOTE: Press the latch lever in using a flathead screwdriver to inspect the c ...

Active Command Modes Inspection [Instrument Cluster]
1. Connect the M-MDS (IDS) to the DLC-2. 2. After the vehicle is identified, select the following items from the initialization screen of the IDS. a. Select “DataLogger”. b. Select “Modules”. c. Select “IC”. 3. Select the simulation items from the PID table. 4. Perform the active c ...

Manifold Absolute Pressure (Map) Sensor/Boost Air Temperature Sensor Removal/Installation [Mzr 2.3 Disi Turbo]
NOTE: Because the boost air temperature sensor is integrated in the MAP sensor, replacing the boost air temperature sensor includes replacement of the MAP sensor/boost air temperature sensor. 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove t ...

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