Mazda CX-5 Service & Repair Manual: Vacuum Pump [Skyactiv G 2.0]
Purpose, Function
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Ensures vacuum required for braking force to compensate for the decrease in intake manifold vacuum applied to the power brake unit caused by the retard intake valve closing.
Construction
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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.
Operation
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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.
Vacuum generation mechanism
Vacuum Pump Removal/Installation
1. Remove the plug hole plate..
2. Remove the battery..
3. Set the PCM wiring harness out of the way.
4. Disconnect the vacuum hose from the vacuum pump..
5. Remove in the order shown in the t ...
Other materials:
Suspension Abbreviations
AAS
Active Adaptive Shift
ABS
Antilock Brake System
ABDC
After Bottom Dead Center
ACC
Accessories
AFS
Adaptive Front Lighting System
ALC
...
Clock Inspection
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Shift lever knob (MTX).
b. Front console box.
c. Shift panel.
d. Upper panel.
e. Rear console.
f. Side wall.
g. Decoration panel.
h. Front console.
i. Glove compartment.
j. Climate control unit.
3. C ...
Piston, Piston Ring, Piston Pin
Purpose, Function
Piston
The piston in the cylinder of the cylinder block moves reciprocally by the
pressure received when the air-fuel mixture combusts.
Piston ring
The piston ring consists of the compression ring (top ring, second ring)
and the oil ring, and has the foll ...
