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Home >> Nissan-Datsun >> 1982 >> Sentra Base, 2D Sedan, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> Fuel Delivery >> Evaporative Emissions System >> Testing >> Check Valve >> 310 Models
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310 Models

  1. Remove luggage compartment board. Disconnect vapor line from check valve and remove check valve. Blow through valve at fuel tank inlet side.
  2. There should be significant resistance. Repeat on engine inlet side of valve. Air should flow freely through valve. Replace valve if it fails this test.
    Fig 1: Datsun 310 Check Valve with Vacuum Relief Valve
    G09315527Courtesy of NISSAN NORTH AMERICA, INC.
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