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

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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
				Variable valve timing mechanism
					Variable valve timing
					The design of the variable valve timing mechanism
					Main features of the mechanism of variable valve timing
					The design of the variable valve timing mechanism
					The oil control valve (OCV)
				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

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The oil control valve (OCV)

Fig. 2.37. The construction of the oil control valve (OCV): 1 - the spool valve; 2 - spiral; 3 - plunger; 4 - spring return

The oil control valve (OCV) consists of a spool valve that switches the oil passages, the electromagnet which moves the slide valve plunger and the return spring (Fig. 2.37).

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The design of the variable valve timing mechanism

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Lubrication system