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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 1 Sensor 2 >> 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 & Components
    GM1960375Courtesy of GENERAL MOTORS COMPANY
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. If equipped with 2 wheel drive (2WD) perform the following steps, if equipped with 4 wheel drive (4WD) proceed to step 5.
  3. Remove the connector position assurance (CPA) retainer (2).
  4. Disconnect the HO2S electrical connector (3) from the engine wiring harness electrical connector (5).
    5. Fig 2: View Of CPA Retainer
    GM1960373Courtesy of GENERAL MOTORS COMPANY
  5. Remove the connector position assurance (CPA) retainer (2).
  6. Disconnect the HO2S electrical connector (4) from the engine wiring harness electrical connector (3).
    7. Fig 3: View Of Exhaust Sensors
    GM1960379Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Excessive Force and Oxygen Sensor Caution .

  7. Remove the HO2S (4).
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