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Home >> Ford >> 2005 >> Escape 2WD L4-2.3L VIN Z >> Repair and Diagnosis >> Brakes and Traction Control >> Testing and Inspection >> Component Tests and General Diagnostics >> Check Valve
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Check Valve

Check Valve
1. Remove the vacuum booster hose from the power brake booster.
2. Apply 57.3 kPa (17 in-Hg) of vacuum to the vacuum booster hose. If the vacuum does not leak off after 10 minutes, the check valve is OK. Otherwise, install a new check valve.
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