300ZX V6-2960cc SOHC Turbo (VG30ET) (1984)
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Vacuum Check Valve HVAC: Description and Operation
The switch stops D.S.V.V. operation and controls the power servo operation when vacuum to the D.S.V.V. reaches a low level.
Nissan and Datsun Workshop Service and Repair Manuals
Vacuum Controller, HVAC >
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