Mazda 3 manuals

Mazda 3 Service Manual: Valve Clearance Inspection [Mzr 2.0, Mzr 2.5]

Mazda 3 Service Manual / Engine / Engine Assembly / Valvetrain, Cylinder Head / Valve Clearance Inspection [Mzr 2.0, Mzr 2.5]

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. Remove the aerodynamic under cover No.2 and splash shield as a single unit..

11. Measure the valve clearance.

NOTE:

a. Turn the crankshaft clockwise so that the No.1 piston is at top dead center (TDC) of the compression stroke.

b. Measure the valve clearance at A in the figure.


c. If the valve clearance is out of the standard value, adjust it..

d. Turn the crankshaft 360°

clockwise so that the No.4 piston is at TDC of the compression stroke.

e. Measure the valve clearance at B in the figure.

f. If the valve clearance is out of the standard value, adjust it..

12. Install in the reverse order of removal.

Valve Clearance Adjustment [Mzr 2.0, Mzr 2.5]
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 p ...

Exhaust & Emissions
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Other materials:

Sunlight/Temperature Sensor
The climate control system measures inside and outside temperatures, and sunlight. It then sets temperatures inside the passenger compartment accordingly. CAUTION Do not obstruct either sensor, otherwise the climate control system will not operate properly. ...

Oil Control Valve (OCV) Removal/Installation [Skyactiv G 2.0]
WARNING: A hot engine can cause severe burns. Turn off the engine and wait until it is cool before servicing. 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the plug hole plate.. 4. Remove the ignition coil/ion sensors.. 5. Remove the cyli ...

Moonroof
The moonroof can be opened or closed electrically only when the ignition is switched ON. WARNING Do not let passengers stand up or extend part of the body through the open moonroof while the vehicle is moving: Extending the head, arms, or other parts of the body throu ...

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