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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
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
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The design of the variable valve timing mechanism



The design of the variable valve timing mechanism
Fig. 2.36. The design of the variable valve timing mechanism: 1 - an asterisk of a camshaft; 2 - the case; 3 - a rotor; 4 - pin; 5 - seal; 6 - a cover; 7 - groove


The actuator valve timing change-coc toit of the housing combined with the camshaft sprocket, the cover of the rotor combined with the cam and pin, which determines the relative position of the rotor and the housing when the engine is stopped. Furthermore, the rotor includes a seal that isolates compartment and compartment retardation timing of opening or closing the valves. The cover and the rotor actuator variable valve timing have grooves, which are used for the correct alignment when viewed from the actuator variable valve timing (Fig. 2.36).




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

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