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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mazda 3 (2003 release)

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Mazda 3
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Mazda
3
Operation and maintenance of car
Engine
General description new engines models L8, LF, L3
The mechanical part of engines
Appendix 1
Annex 2
Appendix 3
Engine Z6 - mechanical part
Verify accessory drive belt
Check thermal gaps in the mechanism of the valve
Adjusting the thermal gaps in the mechanism of the valve
Compression Test
Removing and installing timing chain drive
Replacing gaskets cylinder
Replacement of a forward epiploon of a cranked shaft
Replacing the crankshaft rear oil seal
Removing and installing engine
Lubrication system
Cooling system
Intake system
Fuel system
Exhaust and Emission
Ignition system
Control system
Tables
Transmission
Chassis
Steering Gear
Brakes
Onboard electric
Body
 


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Check thermal gaps in the mechanism of the valve






Remove the battery cover.
Disconnect the negative battery cable.
Remove the bottom cover and splash shield (right).
Remove the air filter.
Remove the ignition coil.
Disconnect the breather hose.
Remove the cylinder head cover.
Measure the valve clearance.
Turn the crankshaft clockwise so that the piston ?��1 was at TDC compression stroke.

The procedure for measuring the valve clearance
Fig. 2.236. The procedure for measuring the valve clearance


Measure the valve clearance at the point A (Fig. 2.236).
If the clearance is not correct, replace the valve tappet and adjust valve clearance on average.
Standard valve clearance (with cold engine): 0,27-0,33 mm.

NOTE
Record the measured values to select the appropriate tappets for replacement.

Rotate the crankshaft 360 ?� clockwise so that the piston ?��4 was at TDC compression stroke.
Measure the valve clearance at the point B (see. Fig. 2.236).
If not correct, replace the valve tappet and adjust valve clearance on average.
Standard valve clearance (with cold engine): 0,27-0,33 mm.
Install the cylinder head cover.
Connect the ventilation hose.
Install the ignition coil.
Install the air filter.
Replace the bottom cover and splash shield (right).




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Adjusting the thermal gaps in the mechanism of the valve

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