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

Installation Procedure

    Fig 1: Locating EGR Valve Inlet Adapter Pipe Components
    GM703601Courtesy of GENERAL MOTORS CORP.
  1. Install the EGR valve inlet adapter pipe (1).
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the EGR valve inlet adapter pipe bolts and studs (2,3).

    Tighten:  Tighten the bolt and stud to 50 N.m (37 lb ft).

  3. Raise the vehicle.
    4. Fig 2: Locating EGR Valve Inlet Adapter Pipe Mounting Bolt
    GM703604Courtesy of GENERAL MOTORS CORP.
  4. Install the EGR valve inlet adapter pipe bolt (2) to the exhaust manifold.

    Tighten:  Tighten the bolt to 30 N.m (22 lb in).

  5. Lower the vehicle.
  6. Install the EGR valve outlet pipe. Refer to Exhaust Gas Recirculation (EGR) Outlet Pipe Replacement .
  7. Install the EGR valve. Refer to Exhaust Gas Recirculation (EGR) Valve Replacement .
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