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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Engine Controls And Fuel - 1.6L (LH7) Diesel - Repair Instructions) >> Repair Instructions >> Nitrogen Oxides Sensor Replacement - Position 2 >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    CAUTION:

    Do not disconnect the nitrogen oxide sensor from the nitrogen oxide sensor control module. A separation of the two components may cause a defect on the nitrogen oxide sensor control module. Always replace the nitrogen oxide sensor along with the nitrogen oxide sensor control module as an assembly.

  1. Install the nitrogen oxides sensor assembly to the vehicle.
  2. Fig 1: Exhaust Heat Shield Retainers
    GM4754532Courtesy of GENERAL MOTORS COMPANY
  3. Install Exhaust Heat Shield Retainers (1) (Qty: 2)
  4. Fig 2: Nitrogen Oxides Sensor - Position 2
    GM4754498Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Do not bend the cable sharply at the base of either the sensing unit or sensor ECU in the final mounting position

  5. Install the nitrogen oxides sensor (1) to the exhaust pipe and tighten to 50 N.m (37 lb ft).
  6. Fig 3: Wiring Harness Retainers
    GM4754485Courtesy of GENERAL MOTORS COMPANY
  7. Install Wiring Harness Retainers (1) (Qty: 3)
  8. Fig 4: Nitrogen Oxides Sensor - Position 2 Control Module, Bracket And Side Rail Studs
    GM4754398Courtesy of GENERAL MOTORS COMPANY
  9. Install both the nitrogen oxides sensor control module bracket (1) and the nitrogen oxides sensor control module (2) to the front compartment side rail studs (3).
  10. Fig 5: Nitrogen Oxides Sensor - Position 2 Nuts
    GM4754394Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  11. Install and tighten Nitrogen Oxides Sensor Nuts (1) (Qty: 2) to 9 N.m (80 lb in)
  12. Fig 6: Nitrogen Oxides Sensor - Position 2 Electrical Connector
    GM4754381Courtesy of GENERAL MOTORS COMPANY
  13. Connect Electrical Connector (1)
  14. Remove the supports and lower the vehicle.
  15. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (KL9)
  16. If replacing, perform the NOx sensor 2 reset. Refer to NOx Sensor 2 Reset 
  17. If replacing, perform the NOx catalyst reductant loading reset. Refer to NOx Catalyst Reductant Loading Reset