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Home >> Mazda >> 2016 >> CX-3 Touring, AWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Intake-Air System >> Check Valve Inspection >> Airflow Inspection

Airflow Inspection

  1. Remove the vacuum hose. (Refer to INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
  2. Blow air into the vacuum hose using your mouth from the vacuum pump side and verify that the air flows to the intake manifold side, then blow air from the intake manifold side and verify that the air does not flow to the vacuum pump side.
    Fig 1: Blowing Air Into Vacuum Hose
    G10968805Courtesy of MAZDA MOTORS CORP.
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