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Home >> Chevrolet >> 2004 >> Astro Van Cargo, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 4.3L - Introduction >> Repair Instructions >> Heated Oxygen Sensor (HO2S) Replacement Bank 2 Sensor 1 >> Removal Procedure

Removal Procedure

CAUTION: Refer to VEHICLE LIFTING CAUTION in Cautions and Notices.
  1. Raise the vehicle.
    NOTE: Refer to HEATED OXYGEN AND OXYGEN SENSOR NOTICE in Cautions and Notices.
  2. Disconnect the connector (2) for the HO2S.
    Fig 1: View Of HO2S & Connector
    GM712144Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to EXCESSIVE FORCE AND OXYGEN SENSOR NOTICE in Cautions and Notices.
  3. Remove the HO2S (1) using a J 39194-B  .
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