GM Service Manual Online
For 1990-2009 cars only

Radio Replacement Eldorado and DeVille w/D55

Removal Procedure

  1. Remove the console trim plate. Refer to Console Front Trim Plate Replacement in Instrument Panel, Gauges, and Console.
  2. Remove the ashtray assembly. Refer to Ashtray Replacement in Instrument Panel, Gauges, and Console.
  3. Remove the driver information center switch (DIS). Refer to Driver Information Display Switch Replacement in Instrument Panel, Gauges, and Console.

  4. Object Number: 309002  Size: SH
  5. Remove the fasteners (1) from the radio/heater/AC control assembly.

  6. Object Number: 309004  Size: SH
  7. Disconnect the following components:
  8. • The electrical connectors (1, 2, 3)
    • The antenna coax cable (4)
  9. Remove the radio.

  10. Object Number: 493861  Size: SH
  11. If you are using an exchange radio, perform the following additional steps:
  12. 7.1. Remove the bracket fasteners (3).
    7.2. Remove the 2 brackets (2) from the sides of the radio control head.
    7.3. Remove one 16 mm (0.63 in) plastic locating pin and clip stud from the rear of the control head.
    7.4. Remove the driver information display switch and bracket (1).

Installation Procedure


    Object Number: 493861  Size: SH
  1. If you are using an exchange radio, perform the following additional steps:
  2. 1.1. Install the driver information display switch bracket (1).
    1.2. Install one 16 mm (0.63 in) plastic locating pin and clip stud to the rear of the control head.
    1.3. Install the 2 brackets (2) to the sides of the radio control head.

    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.

    1.4. Install the mounting bracket fasteners.

    Tighten
    Tighten the fasteners to 6 N·m (53 lb in).


    Object Number: 309004  Size: SH
  3. Connect the harness connectors (1, 2, 3).
  4. Connect the antenna coax cable (4).

  5. Object Number: 309002  Size: SH
  6. Install the radio/heater/AC control assembly.
  7. Install the fasteners (1).
  8. Tighten
    Tighten the fasteners to 2 N·m (18 lb in).

  9. Install the DIS into the console opening. Refer to Driver Information Display Switch Replacement in Instrument Panel, Gauges, and Console.
  10. Install the ashtray. Refer to Ashtray Replacement in Instrument Panel, Gauges, and Console.
  11. Install the console trim plate. Refer to Console Front Trim Plate Replacement in Instrument Panel, Gauges, and Console.

Radio Replacement Deville w/o D55

Removal Procedure

  1. Remove the radio trim plate. Refer to Instrument Panel Lower Center Trim Replacement in Instrument Panel, Gauges, and Console.

  2. Object Number: 309015  Size: MH
  3. Push inward on the tabs (2) on the side of the radio.
  4. Pull out the radio.

  5. Remove the radio control head.
  6. Disconnect the following components:
  7. • The coax cable (4)
    • The harness connector (1)
  8. Remove the radio.

  9. Object Number: 309040  Size: SH
  10. If using an exchange radio, perform the following additional steps:
  11. 6.1. Remove the 2 brackets (1) from the sides of the radio control head.
    6.2. Remove one 16 mm (0.63 in) plastic locating pin and clip stud from the rear of the control head.

Installation Procedure


    Object Number: 309040  Size: SH
  1. If using an exchange radio, perform the following additional steps:
  2. 1.1. Install one 16 mm (0.63 in) plastic locating pin and clip stud to the rear of the control head.
    1.2. Install the 2 brackets (1) to the sides of the radio control head.

    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.

    1.3. Install the mounting bracket fasteners.

    Tighten
    Tighten the fasteners to 5 N·m (44 lb in).


    Object Number: 309015  Size: MH
  3. Connect the following components:
  4. • The radio harness connector (1)
    • The antenna coax cable (4)
  5. Guide the radio into the instrument panel.
  6. Align the pin on the rear of the radio.

    Push in on the pin until the lock tabs catch.

  7. Install the radio trim plate. Refer to Instrument Panel Lower Center Trim Replacement in Instrument Panel, Gauges, and Console.