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Home › Chevrolet › 2010 › Impala LS, 3.5 K › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Controls And Fuel - 3.5L - Repair Instructions › Repair Instructions › Secondary Air Injection Pump Replacement › Removal Procedure

Removal Procedure

    Fig 1: Identifying Air Pump Hose Quick Connect Fitting
    GM1844046Courtesy of GENERAL MOTORS CORP.
  1. Remove the air cleaner upper housing. Refer to Air Cleaner Assembly Replacement .
  2. From under the hood, disconnect the secondary air injection (AIR) pump hose quick connect fitting (2) from the pump and remove the hose. Refer to Plastic Collar Quick Connect Fitting Service .
  3. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
    4. Fig 2: Identifying Air Feed Tube Quick Connect Fitting & Pump
    GM1844042Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the AIR feed tube quick connect fitting (2) from the pump. Refer to Plastic Collar Quick Connect Fitting Service .
    5. Fig 3: Identifying Engine Wiring Harness Electrical Connector
    GM1847160Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the engine wiring harness electrical connector (1) from the AIR pump wiring harness electrical connector.
    6. Fig 4: Identifying Air Pump Wiring Harness Electrical Connector Clip
    GM1847188Courtesy of GENERAL MOTORS CORP.
  6. Squeeze the AIR pump wiring harness electrical connector clip (1) together and push out in order to separate the clip/connector from the bracket.
    7. Fig 5: View Of Air Pump Nuts & Bracket
    GM1844040Courtesy of GENERAL MOTORS CORP.
  7. Remove the AIR pump nuts.
  8. Lower the vehicle.
  9. Reposition the AIR pump feed tube as necessary in order to remove the pump.
  10. Remove the AIR pump.
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