Mazda 3 Service Manual: Vacuum Pump Inspection [Skyactiv G 2.0]

Mazda 3 Service Manual / Brakes / General / Vacuum Pump Inspection [Skyactiv G 2.0]

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.

Vacuum Line Inspection

MZR 2.0, MZR 2.5, MZR 2.3 DISI Turbo 1. Remove the vacuum hose.. 2. Verify that air can be blown from the power brake unit side of the vacuum hose towards the intake manifold side, and that air c ...

Vacuum Pump Removal/Installation [Skyactiv G 2.0]

1. Remove the plug hole plate.. 2. Remove the battery and battery tray.. 3. Pinch open the clamp using pliers and disconnect the vacuum hose from the vacuum pump. 4. Remove in the order sh ...

Other materials:

Power Brake Unit Removal/Installation [Mzr 2.0, Skyactiv G 2.0, Mzr 2.5]
CAUTION: Once the brake switch clearance has automatically been adjusted, it cannot be adjusted again. Therefore, replace the switch with a new one when replacing the power brake unit or performing any procedure that changes the pedal stroke. Secure the steering wheel using tap ...

Drive Belt Inspection [Mzr 2.0, Mzr 2.5]
MZR 2.0 A/C drive belt NOTE: Drive belt deflection/tension inspection is not necessary because of the use of the maintenance-free type A/C drive belt. Replace the drive belt if it is found to be damaged during visual inspection, or if there is a malfunction or noise in th ...

Active Adaptive Shift (AAS)
Active Adaptive Shift (AAS) automatically controls the transaxle shift points to best suit the road conditions and driver input. This improves driving feel. The transaxle may switch to AAS mode when driving up and down slopes, cornering, driving at high elevations, or depressing the accelerat ...