GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2003 🢒 Envoy - 2WD 🢒 Body and Accessories 🢒 Entertainment 🢒 Radio Replacement

Removal Procedure
  1. Remove the center console shift lever bezel (Oldsmobile only). Refer to Console Shift Lever Bezel Replacement in Instrument Panel, Gages and Console.
  2. Remove the lower closeout/insulator panel (GMC only). Refer to Instrument Panel Insulator Panel Replacement in Instrument Panel, Gages and Console.
  3. Remove the accessory trim plate. Refer to Instrument Panel Cluster Trim Plate Bezel Replacement or Instrument Panel Accessory Trim Plate Replacement in Instrument Panel, Gages and Console.

    4. Object Number: 718020 Size: SH
  4. Remove the 3 screws that retain the radio to the I/P.
  5. Partially remove the radio disengaging the radio rear alignment locator (1) to gain access to the electrical connectors.
  6. Disconnect the radio antenna cable.
  7. Disconnect the electrical connectors to the radio.
  8. Remove the radio from the vehicle.

Installation Procedure

    Object Number: 718020 Size: SH
  1. Position the radio to the I/P.
  2. Connect the electrical connectors to the radio.
  3. Connect the radio antenna cable to the radio.
  4. Position the radio rear alignment locator (1) into the I/P substrate.

    5. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  5. Install the 3 screws that retain the radio to the I/P.

    6. Tighten
    Tighten the screws to 2 N·m (18 lb in).

  6. Install the accessory trim plate. Refer to Instrument Panel Accessory Trim Plate Replacement or Instrument Panel Accessory Trim Plate Replacement in Instrument Panel, Gages and Console.
  7. Install the lower closeout/insulator panel (GMC only). Refer to Instrument Panel Insulator Panel Replacement in Instrument Panel, Gages and Console.
  8. Install the center console shift lever bezel (Oldsmobile only). Refer to Console Shift Lever Bezel Replacement in Instrument Panel, Gages and Console.
  9. Reprogram the radio. Run the VIN relearn procedure under special functions in the Tech 2 to program the VIN into the radio.