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Home › Buick › 2004 › Regal GS › Repair and Diagnosis › Engine Performance › System › Engine Controls 3.8L (Introduction, Service & Replacement) › Repair Instructions › Exhaust Gas Recirculation (EGR) Inlet Pipe Replacement › Removal Procedure

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
    2. Fig 1: Locating EGR Valve Inlet Adapter Pipe Mounting Bolt
    GM703604Courtesy of GENERAL MOTORS CORP.
  2. Remove the exhaust gas recirculation (EGR) valve inlet adapter pipe mounting bolt (2) from the exhaust manifold.
  3. Lower the vehicle.
  4. Remove the EGR valve. Refer to Exhaust Gas Recirculation (EGR) Valve Replacement .
  5. Remove the EGR valve outlet pipe. Refer to Exhaust Gas Recirculation (EGR) Outlet Pipe Replacement .
    6. Fig 2: Locating EGR Valve Inlet Adapter Pipe Components
    GM703601Courtesy of GENERAL MOTORS CORP.
  6. Remove the EGR valve inlet adapter pipe bolts (2,3).
  7. Remove the EGR valve inlet adapter pipe (1).
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