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Home › Cadillac › 2005 › DeVille Protection Series › Repair and Diagnosis › Engine Performance › System › Engine Controls - Introduction › Repair Instructions › Secondary Air Injection (AIR) Shut-Off Valve Replacement - Bank 1 › Installation Procedure

Installation Procedure

    Fig 1: View Of Outlet Pipe To Exhaust Manifold Nuts
    GM1212009Courtesy of GENERAL MOTORS CORP.
  1. Position the secondary air injection (AIR) shut-off valve with a new outlet pipe gasket to the outlet pipe and bracket.
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the 2 nuts securing the outlet pipe and bracket to the AIR shut-off valve.

    Tighten:  Tighten the nuts to 9 N.m (80 lb. in.).

  3. Position a new outlet pipe gasket to the exhaust manifold.
  4. Position the AIR shut-off valve with the bracket to the cam cover and exhaust manifold.
  5. Install the 3 bolts securing the AIR shut-off valve to the cam cover.

    Tighten:  Tighten the bolts to 9 N.m (80 lb. in.).

  6. Install the 2 nuts securing the outlet pipe to the exhaust manifold.

    Tighten:  Tighten the nuts to 9 N.m (80 lb. in.).

    7. Fig 2: Identifying Bank 1 Intermediate Pipe/Hose Nut
    GM784720Courtesy of GENERAL MOTORS CORP.
  7. Connect the intermediate hose to the AIR shut-off valve.
  8. Install the nut securing the intermediate hose/pipe to the AIR shut-off valve.

    Tighten:  Tighten the nut to 9 N.m (80 lb. in.).

    9. Fig 3: View Of Secondary Air Injection Shut-Off Valve Electrical Connector
    GM1212008Courtesy of GENERAL MOTORS CORP.
  9. Connect the electrical connector to the AIR shut-off valve.
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