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Mazda CX-5 Service & Repair Manual: Vacuum Pump Inspection

Mazda CX-5 Service & Repair Manual / Brakes / General / Vacuum Pump Inspection

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.

Vacuum pump vacuum specification (reference value)

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)

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.

Vacuum Line Inspection
1. Remove the vacuum hose.. 2. Verify that air can be blown from the power brake unit side of the vacuum hose towards the vacuum pump side, and that air cannot be blown in the opposite direction ...

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 ...

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