VACUUM PUMP [(E)]

id041100200599

Without Mazda M Hybrid System

Purpose, function

•  The vacuum pump ensures vacuum required for braking force and supplies vacuum to the power brake unit.

Construction

•  The vacuum pump is installed to the rear housing.

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•  For smooth vane rotation, a single-vane type vacuum pump has been adopted which is equipped with an engine oil lubrication passage.

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Operation

SKYACTIV-G

•  Because the vacuum pump is directly engaged with the exhaust camshaft, the vane in the vacuum pump rotates together with the exhaust camshaft, and the vacuum chamber is expanded and vacuum is generated.

SKYACTIV-D

•  Because the vacuum pump is directly engaged with the intake camshaft, the vane in the vacuum pump rotates together with the intake camshaft, and the vacuum chamber is expanded and vacuum is generated.

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Vacuum generation mechanism

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