Mazda 3 manuals

Mazda 3 Service Manual: Check Valve (One Way) Inspection [Mzr 2.3 Disi Turbo]

Mazda 3 Service Manual / Engine / Emissions / Check Valve (One Way) Inspection [Mzr 2.3 Disi Turbo]

1. Disconnect the vacuum hose connected between the check valve and the purge solenoid valve from the purge solenoid valve..

2. Disconnect the vacuum hose connected between the check valve (one-way) and the intake manifold from the intake manifold..

3. Blow through the check valve (one-way) and verify that air flows as specified.


Specification


Condition

Airflow

Air applied from port A to B

Yes

Air applied from port B to A

No*


* The check valve (one-way) is normal if the aeration to port A is 3.5 kPa/min {0.03 kgf/cm2 min, 0.5 psi/min} or less

when 130 kPa {1.32 kgf/cm2, 18.9 psi}

is applied to port B.

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Essential Information
Be extremely careful and prevent injury to yourself and others or damage to your vehicle when using this manual for inspection and maintenance. If you are unsure about any procedure it describes, we strongly urge you to have a reliable and qualified service shop perform the work, preferably ...

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