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:

Electric Power Steering Oil Pump Component Disassembly/Assembly
CAUTION: The internal parts of the EHPAS control module and motor could be damaged if they receive an impact. Be careful when handling the EHPAS control module and motor to prevent the component from getting hit. Replace the electric power steering oil pump component if it has recei ...

Spark Plug Inspection [Mzr 2.0, Mzr 2.5]
Specification Spark plug type LFJD-18110, L3Y2-18110 Plug Gap Inspection CAUTION: To avoid possible damage to the tip, do not adjust the spark plug gap. (L3Y2-18110) To prevent damaging the tip, use a wire type plug gap gauge when inspecting the spark plug gap. (L3 ...

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 ...

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