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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Engine Control System & Fuel System - 4.6L - Introduction (2 Of 2)) >> Repair Instructions >> Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: A special anti-seize compound is used on the HO2S threads. The compound consists of liquid graphite and glass beads. the graphite tends to burn away, but the glass beads remain, making the sensor easier to remove. New, or service replacement sensors already have the compound applied to the threads. If the sensor is removed from an exhaust components and if for any reason the sensor is to be reinstalled, the threads must have anti-seize compound applied before the reinstallation
    Fig 1: Identifying HO2S
    GM1670531Courtesy of GENERAL MOTORS CORP.
  1. If reusing the old HO2S, coat the threads with anti-sieze compound, GM P/N 12377953 or equivalent.
    2. NOTE: Refer to Fastener Notice .
  2. Install the HO2S.

    Tighten:  Tighten the sensor to 41 N.m (30 lb ft).

    3. Fig 2: Identifying Oxygen Sensor Wiring Harness Heat Shield
    GM1665113Courtesy of GENERAL MOTORS CORP.
  3. Connect the engine harness electrical connector to the HO2S.
  4. Install the oxygen sensor wiring harness heat shield. Refer to Oxygen Sensor Wiring Harness Heat Shield Replacement .
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