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Home >> Chevrolet >> 2004 >> Chevy Express H1500, Van Cargo >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Cellular Communication System >> Repair Instructions >> Bracket Assembly Replacement - OnStar Module >> Removal Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Removal Procedure

  1. Remove the drivers knee bolster. Refer to Knee Bolster Replacement - Left in Instrument Panel, Gages, and Console.
    IMPORTANT: Do not exchange the vehicle communication interface module with other vehicles. Each vehicle communication interface module has a specific Station Identification (STID) and Electronic Serial Number (ESN). These identification numbers are stored in the General Motors vehicle history files by VIN and used by OnStar® and the National Cellular Telephone Network.
  2. Disconnect the coaxial cable and the electrical connectors (2) from the module.
    3. Fig 1: Disconnecting Coaxial Cable & Electrical Connectors From Module
    GM871220Courtesy of GENERAL MOTORS CORP.
  3. Remove the bolts (3) retaining the module bracket to the Instrument Panel (I/P).
  4. Remove the module and bracket (2) from the vehicle.
  5. Release the tab (2) on the mounting bracket and pull that end of the module (3) away from the bracket.
    6. Fig 2: Pulling End Of Module Away From Bracket
    GM871219Courtesy of GENERAL MOTORS CORP.
  6. Slide the module (3) out of the mounting bracket (1).
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