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Home >> Mitsubishi >> 2012 >> Lancer Evolution MR >> Repair and Diagnosis >> Engine Mechanical >> Intake System And Exhaust System - Lancer Evolution >> On-Vehicle Service >> Turbocharger Bypass Valve Check

Turbocharger Bypass Valve Check

  1. Remove the turbocharger bypass valve.
  2. Connect the hand vacuum pump to the nipple of the turbocharger bypass valve.
  3. Apply a negative pressure of approximately 50 kPa (14.8 in. Hg) and check that air tightness is maintained.
  4. Also check operation of the valve.
    VALVE OPERATION CHART

    Negative pressure Valve operation
    60.1 - 76.1 kPa (17.8 - 22.4 in. Hg) Starts opening
    Fig 1: Connecting Hand Vacuum Pump To Nipple Of Turbocharger Bypass Valve
    G05393666Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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