GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2003 🢒 DeVille 🢒 Engine 🢒 Engine Controls - 4.6L 🢒 Secondary Air Injection Shut-Off Valve Outlet Pipe/Hose Replacement - Bank 2

Removal Procedure

    Object Number: 602323 Size: SH
  1. Remove the bank 2 AIR shut-off valve (2). Refer to Secondary Air Injection Shutoff Valve Replacement - Bank 2 .
  2. Move the upper radiator hose to gain access to the two nuts (5) securing the outlet pipe to the exhaust manifold.
  3. Remove the two nuts and the bank 2 AIR outlet pipe.

Installation Procedure

    Object Number: 602323 Size: SH
  1. Install the bank  AIR outlet pipe and new gasket to the exhaust manifold.

    2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  2. Install the two nuts (5) securing the bank 2 AIR outlet pipe to the exhaust manifold (6).

    3. Tighten
    Tighten the two nuts to 9 N·m (80 lb in).

  3. Install the bank 2 AIR shut-off valve (2). Refer to Secondary Air Injection Shutoff Valve Replacement - Bank 2