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:

Auto Leveling Sensor Inspection
1. Disconnect the negative battery cable.. 2. Remove the auto leveling sensor.. 3. Connect the three dry cell batteries (1.5 V) in a series. 4. Connect auto leveling sensor terminal A to the battery’s minus terminal, and terminal C to the battery’s plus terminal, and apply 4.5 V of volta ...

Information Display Removal/Installation
CAUTION: When replacing the information display, the configuration procedure must be performed before removing the information display. The information display will not operate normally if it is replaced without performing the configuration procedure. 1. Perform the informatio ...

Clutch Pipe And Hose Removal/Installation [C66 M R]
CAUTION: Do not allow clutch fluid get on a painted surface. Clutch fluid contains properties which can dissolve the paint. If clutch fluid gets on a painted surface, wash it off with water immediately and wipe the area off completely. 1. Remove the battery cover.. 2. Disconnec ...

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