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Home >> Chevrolet >> 2003 >> SSR Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 5.3L - Introduction >> Repair Instructions >> Heated Oxygen Sensor (HO2S) Replacement Bank 1; Sensor 1 >> Removal Procedure
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Removal Procedure

  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
    2. Fig 1: Identifying O2 Sensor & Related Components
    GM715477Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the connector (1) for the HO2S.
  3. Remove the HO2S (2) using a J 39194-B  .Special Tools .
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