Mazda 2: Valve Clearance
VALVE CLEARANCE INSPECTION
1. Disconnect the negative battery cable.
2. Remove the splash shield (RH). (See DRIVE BELT REMOVAL/INSTALLATION).
3. Remove the fresh-air duct and the air cleaner as a single unit. (See
INTAKE-AIR SYSTEM REMOVAL/INSTALLATION).
4. Remove the ignition coils. (See IGNITION COIL REMOVAL/INSTALLATION).
5. Disconnect the ventilation hose. (See INTAKE-AIR SYSTEM
REMOVAL/INSTALLATION).
6. Set the vacuum hose out of the way.
7. Remove the cylinder head cover. (See TIMING CHAIN REMOVAL/INSTALLATION).
8. Measure the valve clearance.
NOTE:
- Make sure to note down the measured values for choosing the suitable
replacement tappets.
- Rotate the crankshaft clockwise so that the No.1 cylinder is at TDC of
the
compression stroke.
- Measure the valve clearance at A in the figure.
- If not within the specification, replace the tappet and adjust the
valve clearance to the median value. (See VALVE CLEARANCE ADJUSTMENT).

Valve clearance [Engine cold]
- IN: 0.27-0.33 mm {0.0107-0.0129 in}
- EX: 0.27-0.33 mm {0.0107-0.0129 in}
- Rotate the crankshaft clockwise 360
READ NEXT:
VARIABLE VALVE TIMING ACTUATOR INSPECTION
CAUTION:
The variable valve timing actuator cannot be disassembled since it is a
precision unit.
1. Disconnect the negative battery cable.
2. Remove the
OIL CONTROL VALVE (OCV) INSPECTION
Coil Resistance Inspection
1. Disconnect the negative battery cable.
2. Disconnect the OCV connector.
3. Measure the coil resistance between terminals A and B usin
TIMING CHAIN REMOVAL/INSTALLATION
WARNING:
Do not remove the jack from the engine with the bolt of engine mount No.
3 removed because the engine may fall off and
cause a serious accident.
1. Dis
SEE MORE:
Foot Brake
This vehicle has power-assisted brakes
that adjust automatically through normal
use.
Should power-assist fail, you can stop by
applying greater force than normal to the
brake pedal. But the distance required to
stop will be greater than usual.
WARNING
Do not coast with the engi
WARNING
Do not leave the key in your vehicle
with children and keep them in a place
where your children will not fi nd or
play with them:
Leaving children in a vehicle with the
key is dangerous. This could result in
someone being badly injured or even
killed. Children may fi nd these keys
t
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