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Home >> Cadillac >> 2006 >> STS Base, 3.6 7, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Control System - 4.6L (LH2) - Introduction (2 Of 2)) >> Repair Instructions >> Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
NOTE: Refer to Oxygen Sensor Notice.
IMPORTANT:
  • Bank 2 on the LH2 engine in this vehicle is the left side of the engine while sitting in the driver seat.
  • Sensor 2 is the second sensor down stream from the engine towards the rear of the vehicle.
  • 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.
    Fig 1: View Of HO2S - Bank 2, Sensor 2
    GM1251007Courtesy of GENERAL MOTORS CORP.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Disconnect the oxygen sensor electrical connector.
  3. Note the wire routing and attachment points for reassembly.
  4. Remove the oxygen sensor from the exhaust pipe.
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