Mazda 3 Service Manual: EGR Valve Removal/Installation [Mzr 2.0, Mzr 2.5]
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Drain the engine coolant from the radiator..
4. Remove the air cleaner and the air hose as a single unit..
5. Remove the radiator hose (upper, engine side)..
6. Disconnect the EGR valve connector.
7. Remove in the order indicated in the table.
|
1 |
Water hose |
|
2 |
EGR valve |
|
3 |
Gasket |
8. Install in the reverse order of removal.
EGR Valve Inspection [Mzr 2.0, Mzr 2.5]
Resistance Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Disconnect the EGR valve connector.
4. Measure the resistance between the EGR valve terminals. ...
Positive Crankcase Ventilation (PCV) Valve Inspection [Mzr 2.0, Mzr 2.5]
Airflow Inspection
1. Disconnect the section (A) of the ventilation hose shown in the figure.
2. Start the engine and verify that vacuum is applied to the end of the disconnected
ventilation ...
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 ...
Precaution
Intermittent Concern Troubleshooting
Vibration method
If a malfunction occurs or becomes worse while driving on a rough road or
when the engine is vibrating, perform the following steps.
NOTE:
There are several reasons why vehicle or engine vibration could cause an
electr ...
DSC HU/CM Removal/Installation
WARNING:
If the DSC HU/CM configuration is not completed, it could result in an unexpected
accident due to the DSC being inoperative. If the DSC HU/CM is replaced, always
use the automatic configuration function so that the DSC operation conditions
are correct.
If the DSC se ...
