Mazda 3 manuals

Mazda 3 Service Manual: Compression Inspection [Mzr 2.3 Disi Turbo]

Mazda 3 Service Manual / Engine / General / Compression Inspection [Mzr 2.3 Disi Turbo]

WARNING:

1. Verify that the battery is fully charged..

2. Warm up the engine to normal operating temperature.

3. Remove the charge air cooler..

4. Remove the ignition coils..

5. Remove all the spark plugs..

6. Remove the fuel pump relay..

7. Remove the fuel injector relay.

8. Measure the compression pressure using the following procedure.

a. Press a compression gauge into the spark plug hole.


b. Fully depress the accelerator pedal and crank the engine.

c. Note down the maximum gauge reading.

d. Perform Steps (1) to (3) for all cylinders.

e. If the measured value is less than the minimum value, or there is a cylinder whose compression value varies from that of other cylinders by 196.1 kPa {2.000 kgf/cm2, 28.44 psi}

or more, add a small amount of engine oil through the spark plug hole. Then measure the compression pressure and perform the respective operations for the following cases.

9. Install the fuel injector relay.

10. Install the fuel pump relay..

11. Install the spark plugs..

12. Install the ignition coils..

13. Install the charge air cooler..

Compression Inspection [Mzr 2.0, Mzr 2.5]
WARNING: Hot engines and oil can cause severe burns. Be careful not to burn yourself during removal/installation of each component. Fuel vapor is hazardous. It can very easily ignit ...

Compression Inspection [Skyactiv G 2.0]
WARNING: Hot engines and oil can cause severe burns. Be careful not to burn yourself during removal/installation of each component. Fuel vapor is hazardous. It can very easily ignit ...

Other materials:

Neutral Switch Removal/Installation [A26 M R]
1. Disconnect the negative battery cable. 2. Disconnect the neutral switch connector. 3. Remove the aerodynamic under cover No.2.. 4. Remove the neutral switch with the gasket. 5. Install a new gasket and the neutral switch to the transaxle case. Tightening torque 29—39 N·m {3. ...

Audio Unit
NOTE: “iPod” is a registered trademark of Apple Inc. in the United States and other countries. Purpose The audio unit controls the CD, radio, exterior input devices (AUX/USB/iPod) and the display. Function Records the following items which the user has set. ...

Inboard Light Removal/Installation
4SD 1. Disconnect the negative battery cable.. 2. Remove the trunk lid trim.. 3. Disconnect the connector. 4. Remove the nut. 5. Remove the bracket. 6. Remove the inboard light as shown in the figure. 7. Install in the reverse order of removal.. 5HB 1. Disconnect the negative ...

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