nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

Vacuum Check Valve, EGR|Description and Operation|Page 1507 > < Vacuum Amplifier, EGR|Description and Operation|Page 1503
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Vacuum Check Valve: Description and Operation

Fig. 54 Check valve.

    The check valve is located on the VVT valve bracket in the venturi ported vacuum line. This valve prevents the vacuum acting on the VVT valve from
increasing excessively and activates the EGR system properly.

Vacuum Check Valve, EGR|Description and Operation|Page 1507 > < Vacuum Amplifier, EGR|Description and Operation|Page 1503