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:
Fuel Pump Control
Outline
By switching the fuel pump discharge amount, reduced power consumption and
improved fuel economy have been realized.
The PCM determines the optimum fuel pump drive force according to the engine
operation conditions, and sends the fuel pump drive signal to the fuel pump
...
Rear Wiper Motor Inspection
1. Disconnect the negative battery cable..
2. Open the liftgate.
3. Remove the following parts:
a. Rear wiper arm and blade.
b. Liftgate upper trim.
c. Liftgate side trim.
d. Liftgate recess.
e. Liftgate lower trim.
4. Remove the rear wiper motor connector.
Rear Wiper Motor Ope ...
Main Silencer
Purpose, Function
Reduces the exhaust noise.
Construction
The main silencer is installed to the vehicle rear, under the trunk compartment.
2WD
AWD
The main silencer consists of the filters, holder, set plates and stiffener.
...
