CHECK VALVE (TWO-WAY) INSPECTION [WL-3]

id0116b5804800

1. Remove the check valve (two-way). (See FUEL TANK REMOVAL/INSTALLATION [WL-3].)

2. Inspect for airflow between A and B when vacuum is applied using a vacuum pump as shown in the figure.

• If not as specified, replace the check valve (two-way).

Specification

Vacuum

kPa {mmHg, inHg}

Airflow

Port A

More than 18.6

{140, 5.50}

Yes

Port B

More than 4.9

{37, 1.5}

Yes

Except above

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