REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mazda 6 (2002 release)

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Mazda
	6
		Operation and maintenance of car
		Engine
			General description new engines models L8, LF, L3
				The mechanical part of engines
				Variable valve timing mechanism
				Lubrication system
				Cooling system
				Fuel system
					Overview
					Intake system
					The main features of the duct with varying characteristics (VAD) (L3)
					The actuator system (VAD) (L3)
					Solenoid valve system (VAD) (L3)
					The check valve system (VAD) (L3)
					The fuel assembly
					The fuel pump unit
				Exhaust and Emission
				Electric motors
			The mechanical part of engines
			Appendix 1
			Annex 2
			Appendix 3
		Transmission
		Chassis
		Steering Gear
		Brakes
		Onboard electric
		Body

printable version

The actuator system (VAD) (L3)

Fig. 2.58. The actuator system VAD: 1 - the shutter is open; 2 - flap closed; 3 - flap actuator system VAD; 4 - pin; 5 - damper system VAD; 6 - vacuum intake manifold

It opens and closes the shutter. Normally, under the influence of the spring rod opens the damper. When the vacuum of the intake manifold is supplied to the compartment of the diaphragm, the rod retracts, closing the damper. The actuator consists of a valve stem, and a spring chamber diaphragm (Fig. 2.58).

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The main features of the duct with varying characteristics (VAD) (L3)

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Solenoid valve system (VAD) (L3)