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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1347 (Engine Control System (Introduction) - 1.8L (LV6)) >> Repair Instructions >> Heated Oxygen Sensor Replacement - Position 1 (FWD) >> 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 1 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: Exhaust Manifold And HO2S 1 (FWD)
    GM851383Courtesy of GENERAL MOTORS CORP.
  1. Install the HO2S 1 (1) into the exhaust manifold.
    2. NOTE: Refer to Component Fastener Tightening Notice in Cautions and Notices.
  2. Tighten the HO2S 1.

    Tighten:  Tighten the HO2S 1 to 44 N.m (32 lb ft).

  3. Connect the electrical connector (2) of the HO2S 1.
    4. Fig 2: View Of Engine Top Cover, Plastic Retainers And Fasteners
    GM856569Courtesy of GENERAL MOTORS CORP.
  4. Install the engine cover (1).
  5. Secure the engine cover (1) with the 2 fasteners.

    Tighten:  Tighten the two fasteners to 7 N.m (62 lb in).

  6. Install the 2 plastic retainers.
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