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:

Rear Beltline Molding Removal/Installation
1. Fully open the rear door glass. 2. Remove the rear door trim.. 3. Remove clip A using a fastener remover and pull up the rear beltline molding in the direction of the arrow (1) shown in the figure. 4. Remove clip B using a fastener remover and pull up the rear beltline molding in the di ...

Temporary Spare Tire
Inspect the temporary spare tire at least monthly to make sure it is properly inflated and stored. NOTE The temporary spare tire condition gradually deteriorates even if it has not been used. The temporary spare tire is easier to handle because of its construction which is lighter and small ...

Battery Removal/Installation [Mzr 2.3 Disi Turbo]
1. Remove in the order indicated in the table. 2. Install in the reverse order of removal. 1 Battery cover (See Battery Cover Removal Note.) (See Battery Cover Installation Note.) 2 Negative battery cable 3 ...

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