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:

Windshield Washer Hose Removal/Installation
1. Remove the following parts: a. Windshield wiper arm and blade. b. Front fender molding. c. Cowl grille. d. Front mudguard (RH). 2. Disconnect joint pipes, then remove windshield washer hose B, C and D. 3. Remove the windshield washer hose B. 4. Disconnect windshield washer hose C fr ...

Air Filter Removal/Installation [Mzr 2.0, Mzr 2.5]
Except for Mexico 1. Remove the fuel-filler pipe protector.. 2. Remove in the order indicated in the table. 1 Evaporative hose 2 Air filter 3. Install in the reverse order of removal. ...

How To Use This Manual
Range of Topics This manual contains procedures for performing all required service operations. The procedures are divided into the following five basic operations: Removal/Installation Disassembly/Assembly Replacement Inspection Adj ...

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