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Home >> Oldsmobile >> 2004 >> Bravada AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 4.2L (Introduction) >> Repair Instructions >> Secondary Air Injection (AIR) Pipe Replacement >> Installation Procedure

Installation Procedure

    Fig 1: Removing/Installing AIR Pipe From Cylinder Head
    GM1297756Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  1. Install the bolt and fir-tree fasteners securing the AIR pipe to the cylinder head.

    Tighten:  Tighten the bolt to 10 N.m (89 lb in).

  2. Install the cylinder head. Refer to Cylinder Head Replacement in Engine Mechanical - 4.2L.
  3. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
    4. Fig 2: Disconnecting/Connecting Air Inlet & Outlet Pipes From AIR Pump
    GM1297763Courtesy of GENERAL MOTORS CORP.
  4. Connect both the air inlet and air outlet pipe to the AIR pump.
  5. Lower the vehicle.
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