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

general info. full specifications. diagnostics. hints. tips. tricks

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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
					Cylinder head cover
					Cylinder Head
					Cylinder head gasket
					Cylinder block
					The crankshaft and main bearing
					Balancing unit
					The principle of operation of the balancing unit
					Vibration damper crankshaft
					Engine Front Cover
					Piston
					Piston rings and piston pin
					The connecting rod and connecting rod bearing
					The valve mechanism - general information
					Camshaft
					Camshaft sprocket
					Crankshaft sprocket
					Timing chain drive
					Chain tensioner timing
					Valve, valve springs, valve stem seal, Valve Guides
					Tappet
				Variable valve timing mechanism
				Lubrication system
				Cooling system
				Fuel system
				Exhaust and Emission
				Electric motors
			The mechanical part of engines
			Appendix 1
			Annex 2
			Appendix 3
			Engine Z6 - mechanical part
			Lubrication system
			Cooling system
			Intake system
			Fuel system
			Exhaust and Emission
			Ignition system
			Control system
			Tables
		Transmission
		Chassis
		Steering Gear
		Brakes
		Onboard electric
		Body

printable version

Engine Front Cover

Fig. 2.15. The front cover of the engine: 1 - vertical projection; 2 - technological hole for fixing the tensioner arm; 3 - technological hole to unlock the chain tensioner; 4 - engine mount bracket ?��3; 5 - hole mounting bolt crankshaft pulley; 6 - rear view; 7 - the oil filter; 8 - channel control of the oil valve

The front engine cover is made of aluminum alloy and is combined with the motor mounting bracket ?��3 that reduces noise and weight. The hole for the installation of the crankshaft pulley bolt, technological hole to unlock the ratchet chain tension adjuster and technological hole for fixing the tensioner arm by loosening the chain valve timing, are on the front cover of the engine. On models of the engine oil line L3 and an integrated oil filter located on the front cover (Fig. 2.15).

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