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Home >> Mitsubishi >> 1994 >> Eclipse GS, 2.0 F, Automatic >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Disc & Drum >> Testing >> Power Brake Unit >> Check Valve Inspection

Check Valve Inspection

Remove vacuum hose from power brake unit. Check valve and hose are a unit. Using a vacuum pump, ensure airflow is in direction of intake manifold only.