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 2

Removal Procedure

    Object Number: 602321 Size: SH
  1. Remove the vacuum connections from the AIR check valve.
  2. Loosen and lower the pinch clamp holding the AIR exhaust hose to the front AIR check valve.

    3. Object Number: 602323 Size: SH
  3. Remove the nuts retaining the AIR check valve to the exhaust manifold pipe.
  4. Remove the front AIR check valve.

Installation Procedure

    Object Number: 602323 Size: SH
  1. Install the front AIR check valve.
  2. Install the nuts retaining the AIR check valve to the exhaust manifold pipe.

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

  3. Reconnect the vacuum connections.

    4. Object Number: 602321 Size: SH
  4. Install the AIR exhaust hose and pinch clamp.