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Home >> Buick >> 2005 >> Rendezvous Ultra, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 3.6L - Introduction >> Repair Instructions >> Heated Oxygen Sensor Replacement - Position 1 >> Installation Procedure

Installation Procedure

    Fig 1: View Of Heated Oxygen Sensor (HO2S)
    GM1394064Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
    NOTE: A special anti-seize compound is used on the oxygen sensor threads. New service sensors should already have the compound applied to the threads. Coat the threads of a reused sensor with anti-seize compound P/N 5613695 or equivalent.
  1. Install the HO2S.

    Tighten:  Tighten the HO2S 1 to 42 N.m (31 lb ft).

  2. Connect the oxygen sensor electrical connector.
    3. Fig 2: Supporting Powertrain With Floor Jack
    GM628909Courtesy of GENERAL MOTORS CORP.
  3. Use the floor jack in order to raise the powertrain until the frame insulators contact the chassis.
  4. Install the frame front bolts. Refer to Frame Replacement - Front (W/AWD) or Frame Replacement - Front (W/FWD) in Frame and Underbody.
  5. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  6. Install and reposition the front portion of the front fender liners in order to gain access to the frame front bolts. Refer to Front Fender Liner Replacement in Body Front End.
  7. Connect the intermediate steering shaft to the steering gear. Refer to Intermediate Steering Shaft Replacement in Steering Wheel and Column.
  8. Lower the vehicle.
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