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Home >> Cadillac >> 2004 >> CTS Base, 3.2 N >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Controls - 3.6L - Introduction) >> Repair Instructions >> Heated Oxygen Sensor (HO2S) Replacement Bank 2 Sensor 2 >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    NOTE: Refer to Component Fastener Tightening Notice in Cautions and Notices.
    IMPORTANT: New oxygen sensors should have a special anti-seize compound already applied to the sensor threads. If you are installing the original sensor, apply anti-seize compound GM P/N 5613695 or equivalent to the sensor threads.
    Fig 1: Installing HO2S
    GM1306432Courtesy of GENERAL MOTORS CORP.
  1. Install the HO2S.

    Tighten:  Tighten the HO2S to 40 N.m (30 lb ft).

    2. Fig 2: View Of HO2S Electrical Connector, Sensor 2 (Bank 1 Shown, Bank 2 Similar)
    GM1201222Courtesy of GENERAL MOTORS CORP.
  2. Connect the HO2S electrical connector (bank 1 shown, bank 2 similar).
  3. Install the HO2S wiring harness to the transmission case.
  4. Lower the vehicle.
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