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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1348 (Engine Control System (Introduction) -- 1.8L (LNK)) >> Repair Instructions >> Heated Oxygen Sensor Replacement - Position 2 >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: The HO2S 2 comes with an anti-seize coating on the new sensor. Take precautions in order to prevent removal of any of this coating prior to installation.
    Fig 1: HO2S 2, Wiring Pigtail And Body Plug
    GM851411Courtesy of GENERAL MOTORS CORP.
  1. Install the HO2S 2 (2) into the exhaust pipe.
    2. NOTE: Refer to Component Fastener Tightening Notice in Cautions and Notices.
  2. Tighten the HO2S 2.

    Tighten:  Tighten the HO2S 2 to 44 N.m (32 lb ft).

  3. Install the HO2S 2 wiring pigtail and body plug (1) into the floor pan.
  4. Lower the vehicle.
    5. Fig 2: HO2S 2 Electrical Connector
    GM851413Courtesy of GENERAL MOTORS CORP.
  5. Connect the HO2S 2 electrical connector (1).
  6. Install the rear floor console. Refer to Console Replacement - Rear Floor in Instrument Panel, Gages, and Console.
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