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:

Front Side Marker/Front Turn Light Bulb Removal/Installation
1. Disconnect the negative battery cable.. 2. Slightly bend back the front mudguard.. 3. Rotate the front side marker/front turn light socket in the direction of the arrow shown in the figure. 4. Remove the front side marker/front turn light bulb. 5. Install in the reverse order of ...

Front Shock Absorber Disposal
1. Place the front shock absorber on a level surface or with the piston pointing downwards. 2. Drill a 2—3 mm {0.08—0.11 in} hole at the point A shown in the figure so that the gas can escape. WARNING: Whenever drilling into a shock absorber, wear protective eye wear. The gas ...

Steering Wheel And Column Removal/Installation [With Advanced Keyless Entry And Push Button Start System]
WARNING: Handling the air bag module improperly can accidentally operate (deploy) the air bag module, which may seriously injure you. Read the service warnings before handling the air bag module.. 1. Remove the driver-side front scuff plate.. 2. Remove the driver-side front sid ...

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