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Home >> Mitsubishi >> 2007 >> Outlander ES >> Repair and Diagnosis >> External Pages >> Different car >> Section 61 (Basic Brake System) >> On-Vehicle Service >> Check Valve Operation Check

Check Valve Operation Check

WARNING: This page is about a different car, the 2008 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the check valve (Refer to REMOVAL AND INSTALLATION  ).
    CAUTION: Replace the check valve when it is faulty.
  2. Using a vacuum pump, check operation of the check valve.
    VACUUM PUMP CONNECTION CHART

    Vacuum pump connection Normal condition
    When connected to the booster side (1) Vacuum is generated and maintained.
    When connected to the engine side (2) No vacuum is generated.
    Fig 1: Checking Valve Operation
    G05376264Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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