2003 Hummer H2FACTORY OEM SERVICE PROCEDURE

Removal Procedure

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the door sill plate. Refer to DOOR SILL PLATE REPLACEMENT in Interior Trim.
  2. Remove the lock pillar trim panel. Refer to TRIM REPLACEMENT - LOCK PILLAR (UPPER CONVERTIBLE) or TRIM REPLACEMENT - LOCK PILLAR (COUPE) or TRIM REPLACEMENT - LOCK PILLAR (LOWER CONVERTIBLE AND HARD TOP) in Interior Trim.
  3. Disconnect the electrical/audio connector (3) from the antenna module (6).
  4. Disconnect the following three coaxial cables from the antenna module (6).
    • Rear lift window antenna extension (1)
    • Radio control (4)
    • Front windshield antenna (5)
  5. Remove the screws retaining the antenna module (6) to the lock pillar.
  6. Remove the antenna module (6).
    Fig 1: Antenna Module
    G01453543Courtesy of GENERAL MOTORS CORP.
Factory Service Tools

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When to See a Mechanic

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

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

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