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:
Remote Transmitter Battery Voltage Inspection
NOTE:
Because the remote transmitter battery power cannot be determined using the
battery itself, determine by the remote transmitter battery low warning operation
conditions.
Operation procedure for remote transmitter battery low warning
1. Place the remote transmitter inside t ...
Global Positioning System (Gps) Antenna
Purpose, Function
The GPS antenna receives signals sent from GPS satellites and sends them
to the car navigation unit.
NOTE:
GPS (Global Positioning System) was developed by the Pentagon (U.S.A.) as
an object locating system using satellites. The GPS antenna receives signa ...
Windshield Washer Nozzle Removal/Installation
1. Remove the following parts:
a. Windshield wiper arm and blade.
b. Cowl grille.
2. Disconnect the windshield washer hose from the windshield washer nozzle..
3. While pressing windshield washer nozzle tabs in the direction of the arrow
(1) shown in the figure, pull the windshield washer ...
