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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Supplemental Restraints System) >> Repair Instructions >> Airbag Front End Discriminating Sensor Replacement (with Blackwing) >> Installation Procedure

Installation Procedure

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  1. GM5500951Courtesy of GENERAL MOTORS COMPANY

    Connect the electrical connector.

  2. Slide the sensor into the keyhole slot.
  3. CAUTION:

    Refer to Fastener Caution .

  4. Airbag Front End Discriminating Sensor (1) - Install and tighten - Fastener Specifications 
  5. GM5313404Courtesy of GENERAL MOTORS COMPANY

    Wiring Harness Retainer-Right Side (1) - Install

  6. Radiator Upper Bracket-Right Side (3) - Install
  7. Radiator Upper Bracket Bolt-Right Side (2) - Install and tighten [2x] - Fastener Specifications
  8. GM5313403Courtesy of GENERAL MOTORS COMPANY

    Radiator Upper Bracket- Left Side (2) - Install

  9. Radiator Upper Bracket Bolt- Left Side (1) - Install and tighten [2x] - Fastener Specifications
  10. GM5839407Courtesy of GENERAL MOTORS COMPANY

    Front End Sheet Metal Cross Brace (3) - Install

  11. Install the engine wire harness retainers to the front end sheet metal cross brace.
  12. Front Suspension Strut Upper Mounting Nut (2) - Install and tighten [2x] Fastener Specifications
  13. Front End Sheet Metal Cross Brace Bolt (1) - Install and tighten [3x] Fastener Specifications
  14. GM5864524Courtesy of GENERAL MOTORS COMPANY

    Radiator Air Upper Baffle- Upper (3) - Install

  15. Radiator Air Upper Baffle Bolt (2) - Install and tighten [2x] - Fastener Specifications
  16. Radiator Air Upper Baffle Retainer (1) - Install [5x]
  17. Enable the SIR System. SIR Disabling and Enabling