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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 466 (Engine Controls/Fuel - 5.3L, 6.0L, 6.2L - Repair Instructions) >> Repair Instructions >> Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (1500 Series) >> Removal Procedure

Removal Procedure

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CAUTION:

Refer to Heated Oxygen and Oxygen Sensor Caution .

    Fig 1: View Of Engine Wiring Harness Electrical Connectors, (CPA) Retainers & Engine Harness Clips
    GM1704006Courtesy of GENERAL MOTORS COMPANY
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the connector position assurance (CPA) retainer (4).
  3. Disconnect the engine wiring harness electrical connector (4) from the HO2S electrical connector (3).
  4. Remove the HO2S electrical connector clip from the engine harness clip (6).
    5. Fig 2: View Of Catalytic Converter Assembly HO2S's
    GM1704008Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Excessive Force and Oxygen Sensor Caution .

  5. Remove the HO2S (4).
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