Checking the check valve (Nissan Murano Z50)

Check the vacuum using a vacuum pump.

• Connect the pump to the brake booster side.

The vacuum reduction should be within 1.3 kPa (10 mmHg.) in 15 seconds at a vacuum value of -66.7 kPa (-500 mmHg.).

• Connect the pump to the engine side.

There should be no vacuum.

Data copied from web resource [Nissanbook.ru]