GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2005 🢒 DeVille 🢒 Engine 🢒 Engine Controls - 4.6L 🢒 Secondary Air Injection Pump Intermediate Pipe/Hose Replacement - Bank 1

Removal Procedure

    Object Number: 784720 Size: SH
  1. Loosen and lower pinch clamp connecting the bank 1 intermediate pipe/hose to the crossover pipe/hose.
  2. Loosen and lower the pinch clamp connecting the bank 1 intermediate pipe/hose to the secondary air injection (AIR) shut-off valve.
  3. Remove the nut securing the bank 1 intermediate pipe/hose to the transaxle.
  4. Remove the nut securing the bank 1 intermediate pipe/hose to the AIR shut-off valve bracket.
  5. Disconnect the exhaust gas recirculation (EGR) pipe.
  6. Carefully remove the bank 1 intermediate pipe/hose from the engine.

Installation Procedure

    Object Number: 784720 Size: SH
  1. Carefully install the bank 1 intermediate pipe/hose.

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Reconnect the EGR pipe.

    3. Tighten
    Tighten the EGR pipe to 60 N·m (44 lb ft).

  3. Install the nuts securing the bank 1 intermediate pipe/hose to the AIR shut-off valve bracket and the transaxle.

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

  4. Install the hose and pinch clamp connecting the bank 1 intermediate pipe/hose to the AIR shut-off valve.
  5. Install the hose and pinch clamp connecting the bank 1 intermediate pipe/hose to the AIR crossover pipe/hose.