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Home >> American Motors >> 1983 >> Concord Limited, Standard, T4 >> Repair and Diagnosis >> Engine Performance >> System >> Air Injection System >> Testing >> Check Valve
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Check Valve

  1. Disconnect air supply hose at check valve. With engine running above idle speed, listen and feel for exhaust leakage at check valve.
  2. If valve leaks excessively, replace as a complete assembly.
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