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Secondary Air Injection Shut-Off Valve: Installation

WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install a NEW gasket between the shut-off valve and the manifold pipe. Install the shut-off valve to the bracket. Install the AIR shut-off valve to the manifold pipe fasteners. Tighten the AIR shut-off valve bolts to specification. See TORQUE SPECIFICATIONS .
  2. Install the AIR shut-off valve nut. Tighten the nut to specification. Connect the vacuum line to shut-off valve. Connect the AIR crossover pipe to the shut-off valve. Fasten the quick clamps.


  1. Install a NEW gasket between the shut-off valve and the manifold pipe. Install the shut-off valve to the manifold pipe. Tighten the AIR shut-off valve to specification. See TORQUE SPECIFICATIONS . Install the AIR shut-off valve nut. Tighten the nut to specification.
  2. Connect the vacuum line to shut-off valve. Connect the AIR crossover pipe to the shut-off valve. Install the ignition control module and coils. Return the engine to its original position. Remove the engine tilter strap from the engine.
  3. Swing the engine mount struts in position. Install the engine mount strut bolts, and tighten bolts to specification. Install the air cleaner intake duct. See AIR CLEANER INTAKE DUCT  under AIR INDUCTION SYSTEMS.
Fig 1: Removing/Installing Rear Secondary Air Injection Shut-Off Valve
G00114743Courtesy of GENERAL MOTORS CORP.
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