GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2000 🢒 DeVille 🢒 Engine 🢒 Engine Controls - 4.6L 🢒 Secondary Air Injection Control Valve Replacement - Bank 1

Removal Procedure

    Object Number: 602315 Size: MH
  1. Remove the nuts retaining the rear AIR exhaust hose to AIR check valve.
  2. Remove the AIR exhaust hose from the AIR check valve.
  3. Disconnect the AIR vacuum hoses.
  4. Remove the nuts retaining the AIR check valve to the exhaust manifold pipe.
  5. Remove the rear AIR check valve.

Installation Procedure

    Object Number: 602315 Size: MH
  1. Install the rear AIR check valve.
  2. Install the nuts retaining the AIR check valve to the bracket assembly.

    3. Tighten
    Tighten the upper AIR pump to cradle bolt to 9 N·m (80 lb. in.)

  3. Reconnect the AIR vacuum hoses.
  4. Install the AIR exhaust hose to the AIR check valve bracket.
  5. Install the nuts retaining the AIR exhaust hose to the bracket.

    6. Tighten
    Tighten the upper AIR pump to cradle bolt to 9 N·m (80 lb. in.)