Mazda 3 since 2003
	1. Operation and maintenance of the car
	2. Engine
		2.1. General description of new engines of the L8, LF and L3 models
			2.1.1. Mechanical part of engines
				2.1.1.1. Cover of a head of the block of cylinders
				2.1.1.2. Head of the block of cylinders
				2.1.1.3. Laying of a head of the block of cylinders
				2.1.1.4. Block of cylinders
				2.1.1.5. Bent shaft and radical bearing
				2.1.1.6. Balancing block
				2.1.1.7. Principle of operation of the balancing block
				2.1.1.8. Damper of tortional fluctuations of a bent shaft
				2.1.1.9. Forward cover of the engine
				2.1.1.10. Piston
				2.1.1.11. Piston rings and piston finger
				2.1.1.12. Rod and conrod bearing
				2.1.1.13. The valvate mechanism – general information
				2.1.1.14. Camshaft
				2.1.1.15. Camshaft asterisk
				2.1.1.16. Asterisk of a bent shaft
				2.1.1.17. Gas distribution mechanism drive chain
				2.1.1.18. Natyazhitel of a gas distribution mechanism drive chain
				2.1.1.19. The valve, a valvate spring, a maslootrazhatelny cap, the directing valve plug
				2.1.1.20. Valve pusher
			2.1.2. Mechanism of change of phases of gas distribution
			2.1.3. Lubrication system
			2.1.4. Cooling system
			2.1.5. Fuel system
			2.1.6. System of production of the fulfilled gases and system of decrease in toxicity
			2.1.7. Electric equipment of engines
		2.2. Mechanical part of engines
		2.3. Appendix 1
		2.4. Appendix 2
		2.5. Appendix 3
		2.6. The Z6 engine – a mechanical part
		2.7. Lubrication system
		2.8. Cooling system
		2.9. System of an admission
		2.10. Fuel system
		2.11. System of production of the fulfilled gases and system of decrease in toxicity
		2.12. System of ignition
		2.13. Control system
		2.14. Tables
	3. Transmission
	4. Running gear
	5. Steering mechanism
	6. Brake system
	7. Onboard electric equipment
	8. Body

2-1-1-10-porshen.html

2.1.1.10. Piston

Pistons are made of heat-resistant and high-heat-conducting aluminum alloy, the skirt of the piston is covered with graphite for friction reduction.

Fig. 2.16. Piston: 1 – the piston – a side view; 2 – axis shift; 3 – outer diameter; 4 – the piston – the top view; 5 – marking; 6 – forward part of the engine; 7 – dredging under valves

For reduction of noise pistons with the displaced opening ispolzutsya. Pistons and rods can be diconnected only by method of hot landing. For prevention of the wrong assembly of the piston marking is applied on it (to). The piston is installed so that the arrow of marking was turned to a forward part of the engine (fig. 2.16).

NOTE

The piston of L3 engines has a pro-point under valves.

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2.1.1.9. Forward cover of the engine

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2.1.1.11. Piston rings and piston finger