Mazda 3 manuals

Mazda 3 Service Manual: Positive Crankcase Ventilation (PCV) Valve Inspection [Mzr 2.0, Mzr 2.5]

Mazda 3 Service Manual / Engine / Emissions / 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 hose while the engine is idling.

NOTE:

3. If it can be verified that vacuum occurs in the ventilation hose, the positive crankcase ventilation (PCV valve) system is determined to be normal.

4. Remove the battery cover..

5. Disconnect the negative battery cable..

6. Remove the intake manifold and the fuel distributor component as a single unit..

7. Remove the PCV valve and the oil separator as a single unit..

8. Verify that there is no airflow when pressure is applied to port A.


9. Verify that there is airflow when vacuum is applied to port A.

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 ...

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 ...

Other materials:

Engine SST [Skyactiv G 2.0]
1: Mazda SST number 2: Global SST number Example 1:49 UN20 5072 2:205072 Holder 1: 2: 134-01049A Evaporative emission system tester 1: 2:AKS042808 Adapter 1: 49 UN20 507 ...

Lighting Control
Headlights Turn the headlight switch to turn the headlights, other exterior lights and dashboard illumination on or off. When the lights are turned on, the lights-on indicator light in the instrument cluster turns on. NOTE If the light switch is left on, the lights will automatical ...

High Mount Brake Light Removal/Installation
4SD 1. Disconnect the negative battery cable.. 2. Remove the trunk lid trim.. 3. Disconnect the connector. 4. Remove the nuts. 5. While pressing the tabs shown in the figure, pull the high-mount brake light outward and remove it. 6. Remove the high-mount brake light. 7. Instal ...

2016-2019 Copyright www.mazda3tech.com