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Home >> Cadillac >> 2013 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Controls/Fuel - Hybrid (LZ1) - Repair Instructions) >> Repair Instructions >> Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
CAUTION:

Refer to Heated Oxygen and Oxygen Sensor Caution .

    Fig 1: Locating HO2S Electrical Connector, CPA Retainer, Engine Wiring Harness Electrical Connector & Clip
    GM1960377Courtesy 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 (3).
  3. Disconnect the engine wiring harness electrical connector (2) from the HO2S electrical connector (1).
  4. Remove the HO2S clip from the engine wiring harness clip (4).
    5. Fig 2: View Of Exhaust Sensors
    GM1960379Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Excessive Force and Oxygen Sensor Caution .

  5. Remove the HO2S (2).
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