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Home >> Buick >> 2005 >> LeSabre Custom, 4T65E/MN3 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Introduction >> Repair Instructions >> Exhaust Gas Recirculation (EGR) Inlet Pipe Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: Removing/Installing EGR Valve Inlet Adapter Pipe Mounting Bolt
    GM703604Courtesy of GENERAL MOTORS CORP.
  1. Remove the exhaust gas recirculation (EGR) valve. Refer to Exhaust Gas Recirculation (EGR) Valve Replacement .
  2. Remove the EGR valve outlet pipe. Refer to Exhaust Gas Recirculation (EGR) Outlet Pipe Replacement .
  3. Remove the EGR valve inlet pipe mounting bolt (2) from the exhaust manifold.
    4. Fig 2: Removing/Installing EGR Valve Inlet Adapter Pipe
    GM703601Courtesy of GENERAL MOTORS CORP.
  4. Remove the mounting bolt (2) and the stud (3) from the EGR valve inlet pipe bracket.
  5. Remove the EGR valve inlet pipe assembly (1).
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