FixVault

Installation Procedure

  1. Install Nitrogen Oxides Sensor and tighten 50 N.m. (37 lb ft)
    GM4625440Courtesy of
    NOTE:

    If reinstalling the old sensor, coat the threads with anti-sieze compound. Refer to Adhesives, Fluids, Lubricants, and Sealers

  2. Install Nitrogen Oxides Sensor Cable @ Nitrogen Oxides Sensor Cable Clip
    GM4625439Courtesy of
  3. Nitrogen Oxides Sensor - Move into position
    GM4625437Courtesy of
  4. Install Nitrogen Oxides Sensor Bolt [2x] and tighten 10.5 N.m. (93 lb in)
    CAUTION:

    Refer to Fastener Caution .

  5. Connect Electrical Connector @ Nitrogen Oxides Sensor
  6. Lower the vehicle.
  7. If replacing, perform the NOx sensor 2 reset. Refer to NOx Sensor 2 Reset 
  8. If replacing, perform the NOx catalyst reductant loading reset. Refer to NOx Catalyst Reductant Loading Reset 
  9. Perform the diesel particulate filter (DPF) regeneration enable. Refer to Diesel Particulate Filter (DPF) Regeneration Enable