FixVault
Home › Chevrolet › 2009 › TrailBlazer 4.2 S, RWD › Repair and Diagnosis › Engine Performance › System › Engine Control System & Fuel System - 4.2L - Introduction › Repair Instructions › Secondary Air Injection Pump Hose Replacement › Installation Procedure

Installation Procedure

    Fig 1: View Of AIR Hose Assembly
    GM1765984Courtesy of GENERAL MOTORS CORP.
  1. Install the AIR hose assembly by rotating over the top of the engine.
    2. CAUTION: Refer to Fastener Caution .
    NOTE: Add a drop of GM P/N 12345382 (Canadian P/N 10953489) to the bolt threads.
  2. Install the bolt and fir-tree fasteners securing the AIR pipe to the cylinder head. Tighten the bolt until fully seated.
    3. Fig 2: View Of AIR Hose & Air Box
    GM1773134Courtesy of GENERAL MOTORS CORP.
  3. Connect the AIR hose to the air box.
    4. Fig 3: View Of Secondary Air Injection (AIR) Solenoid Valve
    GM1297815Courtesy of GENERAL MOTORS CORP.
  4. Connect the AIR hose to the solenoid valve.
    5. Fig 4: Identifying ECT Sensor
    GM1713326Courtesy of GENERAL MOTORS CORP.
  5. Connect the ECT sensor electrical connector.
  6. Install the intake manifold. Refer to Intake Manifold Replacement .
  7. Install the number 6 ignition coil. Refer to Ignition Coil Replacement .
  8. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
    9. Fig 5: View Of Secondary AIR Pipes & Pump
    GM1297763Courtesy of GENERAL MOTORS CORP.
  9. Connect the air inlet and air outlet pipe retaining clip to the frame rail.
  10. Connect both the air inlet and air outlet hoses to the AIR pump.
  11. Lower the vehicle.
About FixVault