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:

Battery Inspection [Mzr 2.3 Disi Turbo]
WARNING: Since battery acid is toxic, be careful when handling the battery. Since battery acid is highly corrosive, be careful not to allow it to contact clothing or the vehicle. In case battery acid contacts skin, eyes, or clothing, flush it immediately with running wa ...

Rear Wiper Motor Inspection
1. Disconnect the negative battery cable.. 2. Remove the following parts: a. Rear wiper arm and blade. b. Liftgate upper trim. c. Liftgate side trim. d. Liftgate lower trim. 3. Disconnect the rear wiper motor connector. 4. Apply battery positive voltage to rear wiper motor connector te ...

Opening the Hood
With the vehicle parked, pull the release handle to unlock the hood. Insert your hand into the hood opening, slide the latch lever to the right, and lift up the hood. NOTE The lever is located a little to the left of center when facing the vehicle. Grasp the support r ...

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