Mazda 3 Quiz
Brakes

Vacuum Pump Inspection [Skyactiv G 2.0]

In this manual: Brakes
Vehicle general — 15Accessories — 111Body — 339Brakes — 71Drivetrain — 143Electrical — 58Engine — 251HVAC — 72Restraints — 15Steering — 32Suspension — 41
~1min read

1. Pinch open the clamp using pliers and disconnect the vacuum hose from the vacuum pump.


2. Install the vacuum gauge as shown in the figure, then check the vacuum.


3. Warn up the engine.

  • If the pressure is less than the specification, inspect for the following.

    • Malfunction of the vacuum pump

    • Shortage of the lubrication oil pressure

Vacuum pump vacuum specification (reference value) (SKYACTIV-G 2.0)

Measurement condition

Specification

Engine speed

Change in vacuum amount

Period of time change in vacuum amount condition met

While idling (520—700 rpm (reference value))

From 60 kPa {450 mmHg, 18 inHg} to 67 kPa {503 mmHg, 20 inHg}

8 s or less

Vacuum pump maximum vacuum specification (reference value) (SKYACTIV-G 2.0)

Measurement condition

Specification

While idling (no time designation)

93.3 kPa {700 mmHg, 27.6 inHg} or more

4. Install in the reverse order of the removal.

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