Mazda 3 Service Manual: 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.
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Malfunction of the vacuum pump
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Shortage of the lubrication oil pressure
|
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:
Windshield Wiper Motor Inspection
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Windshield wiper arm and blade.
b. Front fender molding.
c. Cowl grille.
d. Center cowl grille No.1, No.2
3. Disconnect windshield wiper motor connector.
4. Connect the battery positive voltage to windshield w ...
Mass Air Flow (MAF) Sensor/Intake Air Temperature (Iat) Sensor No.1 Removal/Installation
[Skyactiv G 2.0]
CAUTION:
Be careful not to hit the sensor element or allow foreign matter to get on
it during sensor removal/installation. If the sensor element is hit or foreign
matter gets on it, an error may occur in the sensor output signal resulting
in deterioration in the engine control.
...
Ignition Coil Inspection [Mzr 2.0, Mzr 2.5]
Ignition Coil Inspection
1. Perform the spark test and identify the malfunctioning cylinder..
2. Replace the ignition coil of the malfunctioning cylinder with that of a normal
cylinder, and perform the spark test again..
If the spark is not normal due to a malfunctioning ignition coil, ...
