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Home >> Oldsmobile >> 2004 >> Silhouette GLS, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System - 3.4L (Introduction) >> Repair Instructions >> Exhaust Gas Recirculation (EGR) Pipe Replacement >> Removal Procedure
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Removal Procedure

  1. Turn OFF the ignition.
    2. Fig 1: Locating EGR Pipe
    GM621066Courtesy of GENERAL MOTORS CORP.
  2. Remove the bolt retaining the pipe assembly from the exhaust gas recirculation (EGR) valve and carefully pull the pipe assembly back.
  3. Unscrew the EGR pipe assembly nut from the exhaust manifold.
  4. Remove the EGR pipe.
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