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Home >> Hummer >> 2009 >> H3T Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.7L - Introduction >> Repair Instructions >> Secondary Air Injection Pump Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: Removing/Installing AIR Pump
    GM1749367Courtesy of GENERAL MOTORS CORP.
  1. Install the AIR pump.
  2. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
    3. CAUTION: Refer to Fastener Caution .
  3. Install the AIR pump nuts (1).

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

    4. Fig 2: Releasing/Connecting AIR Pump Wiring Harness Connector
    GM1749365Courtesy of GENERAL MOTORS CORP.
  4. Install the AIR pump wiring harness electrical connector clip (1) to the bracket.
  5. Install the AIR pump wiring harness to the clip (2) and close the clip.
    6. Fig 3: Identifying AIR Pump Wiring Harness Connector
    GM1749359Courtesy of GENERAL MOTORS CORP.
  6. Connect the engine wiring harness electrical connector to the AIR pump wiring harness electrical connector.
  7. Install the engine shield. Refer to Engine Shield Replacement .
    8. Fig 4: Removing/Installing Air Injection (AIR) Pump Inlet & Outlet Hoses
    GM1749357Courtesy of GENERAL MOTORS CORP.
  8. Position the AIR pump inlet and outlet hoses as necessary.
  9. Connect the AIR pump outlet hose quick connect fitting (2) to the pump. Refer to Plastic Collar Quick Connect Fitting Service .
  10. Connect the AIR pump inlet hose quick connect fitting (1) to the pump. Refer to Plastic Collar Quick Connect Fitting Service .
  11. Close the hood.
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