Installation Procedure

2024 GMC Sierra 2500 HD Denali UltimateSECTION Installation Procedure
  1. GM5902316Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Left side shown, right side similar.

    Connect the electrical connector.

  2. Radio Front Speaker (2) - Install
  3. CAUTION:

    Refer to Fastener Caution .

  4. Radio Front Speaker Bolt (1) - Install and tighten [2x] - Fastener Specifications
  5. GM5902761Courtesy of GENERAL MOTORS COMPANY

    { If equipped } Connect the electrical connector.

  6. Instrument Panel Extension (1) - Install
  7. GM5901058Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Left side shown, right side similar.

    Ensure tabs is fully seated in the I/P upper trim panel prior to engaging upper clip.

  8. Windshield Garnish Molding- Left Side and Right Side (3) - Install [2x]
  9. Windshield Pillar Assist Handle Bolt- Left Side and Right Side (2) - Install and tighten [4x] - Fastener Specifications
  10. Windshield Pillar Assist Handle Cover - Left Side and Right Side (1) - Install [4x]
  11. Enable the SIR System. SIR Disabling and Enabling
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.