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Home >> Chevrolet >> 2023 >> Tahoe SSV >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Controls And Fuel - 3.0L (Lm2) Diesel - Repair Instructions (1 Of 2)) >> Repair Instructions >> Nitrogen Oxides Sensor Replacement - Position 1 >> Removal Procedure

Removal Procedure

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  1. Oil Filler Cap - Remove
  2. GM5171779Courtesy of GENERAL MOTORS COMPANY

    Intake Manifold Cover Bolt (1) - Remove

  3. Intake Manifold Cover (2) - Remove
  4. Install the oil filler cap after removal of the intake manifold cover to prevent debris from falling into the engine.
  5. GM5609939Courtesy of GENERAL MOTORS COMPANY

    Disengage the nitrogen oxides sensor wiring harness clip (1).

  6. Disconnect the nitrogen oxides sensor electrical connector.
  7. GM5609845Courtesy of GENERAL MOTORS COMPANY

    Nitrogen Oxides Sensor Nut (1) - Remove [2x]

  8. Nitrogen Oxides Sensor (2) - Remove
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