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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
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
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
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The actuator system (VAD) (L3)



The actuator system VAD
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)

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