Mazda 6 - Oil Control Valve (Ocv; Variable Valve Timing Actuator

VALVE MECHANISM
B33
B
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VARIABLE VALVE TIMING ACTUATOR
A6E221112111T05
• The variable valve timing actuator consists of the following: a housing case integrated to the camshaft
sprocket, a cover, a camshaft integrated rotor, and a stopper pin that retains the rotor and case when the
engine stops. Also, the rotor has a chip seal that seals the valve timing advance chamber and the valve timing
retard chamber.
• The cover and rotor of the variable valve timing
actuator are notched, and are used as alignment
marks when inspecting the variable valve timing
actuator.
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OIL CONTROL VALVE (OCV)
A6E221112111T06
• The oil control valve (OCV) consists of a spool valve that switches the passages for engine oil, a coil that
moves the spool valve, a plunger, and a return spring.
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1 Camshaft sprocket
2Case
3Rotor
4 Stopper pin
5 Tip seal
6 Cover
7Notch
AME2224N600
AME2211N012
1 Spool valve
2Coil
3 Plunger
4 Return spring