GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 TrailBlazer - 4WD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Secondary Air Injection Solenoid Valve Replacement

Removal Procedure
  1. Remove the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement.

    2. Object Number: 1297815 Size: SH
  2. Disconnect the electrical connector from the secondary air injection (AIR) reaction solenoid valve.
  3. Disconnect the AIR pump air outlet pipe from the AIR solenoid valve.

    4. Object Number: 1304735 Size: SH
  4. Remove the nut (1) securing the transmission fluid level indicator tube (2) to the AIR solenoid valve.
  5. Remove the transmission fluid level indicator tube (2) from the AIR solenoid valve stud (3).
  6. Remove the 2 AIR solenoid valve studs (3).
  7. Remove the AIR solenoid valve (4) and the gasket (5) from the engine.

Installation Procedure

    Object Number: 1304735 Size: SH
  1. Install the AIR solenoid valve (4) and the gasket (5) to the engine.

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

  2. Install the 2 AIR solenoid valve studs (3).

    3. Tighten
    Tighten the studs to 25 N·m (18 lb ft).

  3. Install the transmission fluid level indicator tube (2) to the AIR solenoid valve stud (3).
  4. Install the nut (1) securing the transmission fluid level indicator tube (2) to the AIR solenoid valve.

    5. Tighten
    Tighten the nut to 10 N·m (89 lb in).


    Object Number: 1297815 Size: SH
  5. Connect the AIR pump air outlet pipe to the AIR solenoid valve.
  6. Connect the electrical connector to the AIR solenoid valve.
  7. Install the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement.