Mazda 13B-MSP Technical Information PDF herunterladen (Seite 28)

Engines Powertrain

Variable Valve Timing System

• The variable valve timing system continuously varies the valve timing of the intake

valves, controlling the cylinder charge.

• The camshaft actuator is attached to the camshaft sprocket and varies the position of the

intake camshaft in relation to the sprocket. The intake camshaft position is controlled by

the oil control valve using engine oil pressure.

NOTE: The camshaft actuator cannot be repaired due to its precise interior construction, i.e.

it must be replaced as a complete unit.

L1001.4_01140

1 Oil control valve 3 Camshaft actuator

2 Intake camshaft

01-18 Curriculum Training

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Mazda 13B-MSP Technical Information Seite 28