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:
Engine Removal/Installation
WARNING:
A hot engine can cause severe burns. Turn off the engine and wait until it
is cool before servicing.
Fuel vapor is hazardous. It can very easily ignite, causing serious injury
and damage. Always keep sparks and flames away from fuel.
Fuel line spills and leakag ...
Headliner
Purpose/Function
The headliner is equipped with a shock absorbing pad for driver's head protection
during a collision.
Construction
The front and rear side of the headliner is equipped with a shock absorbing
pad with a plastic rib-pad structure.
...
Oil Pump [Skyactiv G 2.0]
Outline
The oil pump has a mechanism for feedback control of oil pressure. As a result,
an oil pressure increase of more than the set pressure is suppressed and oil
pump drive resistance is reduced. In addition, because the set pressure can
be changed (oil pressure two-step control) ...
