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Home › Cadillac › 2005 › DeVille DHS › Repair and Diagnosis › Engine Performance › System › Engine Controls - Introduction › Repair Instructions › Exhaust Gas Recirculation (EGR) Valve Replacement › Removal Procedure

Removal Procedure

    Fig 1: View Of EGR Valve
    GM602307Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the exhaust gas recirculation (EGR) electrical connector.
  2. Remove the heat shield nuts.
  3. Remove the heat shield.
  4. Remove the EGR valve retaining nuts/bolts.
    5. IMPORTANT: Inspect the EGR passages in the crossover water pump housing for deposits. Clean the EGR passages as needed. Refer to Exhaust Gas Recirculation (EGR) System Cleaning .
  5. Remove the EGR valve.
  6. Clean the EGR valve mounting surface.
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