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:

Hood Adjustment
Gap Adjustment 1. Verify that the gap between the hood and the body is within the specification. Standard clearance a: -2.8—0.8 mm {-0.11—0.03 in} b: –1.2—1.2 mm {–0.047—0.0.47 in} 2. Disconnect the negative battery cable.. 3. Remove the following parts: a. Front bu ...

Clock
Setting the time The clock can be set at any time when the ignition is switched to ACC or ON. To adjust the time, press the clock button ( ) for about 2 seconds until a beep is heard. The clock's current time will flash. Time adjustment To adjust the time, press the hour/ ...

How to connect USB port/ Auxiliary jack
Type A (Without CD player) Type A (With CD player) Type B (Without CD player) Type B (With CD player) Connecting a device Open the console lid (with CD player). If there is a cover on the AUX jack or USB port, remove the cover. Connect the connector on the device to t ...

© 2016-2025 Copyright www.mazda3tech.com