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Home >> Lincoln >> 2006 >> Zephyr >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake System - General Information >> Diagnosis And Testing >> Brake System >> Component Tests >> 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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