Mazda 3 Service Manual: Positive Crankcase Ventilation (PCV) Valve Removal/Installation [Mzr 2.0, Mzr 2.5]
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the intake manifold and the fuel distributor component as a single unit..
4. Remove in the order indicated in the table.
|
1 |
Oil separator |
|
2 |
Retainer (See Retainer Removal Note.) (See Retainer Installation Note.) |
|
3 |
PCV valve |
5. Install in the reverse order of removal.
Retainer Removal Note
CAUTION:
-
Be sure to follow the removal procedures below to prevent the leakage of blow-by gas caused by the damage to the tab of the oil separator or the oil separator itself.
1. Insert a flat blade screwdriver with its tip wrapped in a cloth into the gap between the retainer and the oil separator as shown in the figure.
2. Spread the side surface of the retainer outward to dismount it with attention to the tab.
Retainer Installation Note
CAUTION:
-
Be sure to replace the old retainer with a new one to prevent the escape of blow-by gas. Reinstalling the old retainer will reduce airtightness.
1. Make sure that the retainer alignment mark is directed as shown in the left diagram before installing the retainer to the oil separator.
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 ...
Purge Solenoid Valve Inspection [Mzr 2.0, Mzr 2.5]
Airflow Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the purge solenoid valve..
4. Inspect airflow between the ports under the following conditi ...
Other materials:
Blower Motor Removal [Full Auto Air Conditioner]
NOTE:
The blower motor is located on the A/C unit as shown in the figure.
Perform the work from the front passenger side in the posture shown in the
figure.
1. Set the air intake mode to FRESH.
2. Disconnect the negative battery cable.
3. Remove the following ...
Starter Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING:
Remove and install all parts when the engine is cold, otherwise they can
cause severe burns or serious injury.
When the battery cables are connected, touching the vehicle body with starter
terminal B will generate sparks. This can cause personal injury, fire, and d ...
Recording of Vehicle Data
This vehicle is equipped with a computer which records the following main
vehicle data
related to vehicle controls, operation, and other driving conditions.
Recorded data
Vehicle conditions such as engine speed and vehicle speed
Driving operation conditions such as accelerator and brake pe ...
