GM Service Manual Online
For 1990-2009 cars only

Radio Replacement w/o UY4, U45

Removal Procedure

  1. Remove the instrument panel center trim plate. Refer to Instrument Panel Center Trim Panel Replacement in Instrument Panel, Gages and Console.
  2. Remove the console trim plate. Refer to Console Trim Plate Replacement in Instrument Panel, Gages and Console.

  3. Object Number: 287815  Size: SH
  4. Remove the heater and A/C control and the radio bracket fasteners.
  5. Disconnect the electrical connectors from the radio and the A/C control assembly.

  6. Object Number: 288103  Size: SH
  7. Remove the radio retaining nuts.
  8. Remove the radio from the radio bracket.

Installation Procedure

  1. Install the radio to the radio bracket.

  2. Object Number: 288103  Size: SH

    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.

  3. Install the radio retaining nuts.
  4. Tighten
    Tighten the radio retaining nuts to 5 N·m (44 lb in).


    Object Number: 287815  Size: SH
  5. Connect the electrical connectors to the radio and the A/C control assembly.
  6. Install the heater and A/C control and the radio bracket retainers.
  7. Tighten
    Tighten the fasteners to 2 N·m (18 lb in).

  8. Install the console trim plate. Refer to Console Trim Plate Replacement in Instrument Panel, Gages and Console.
  9. Install the instrument panel center trim plate. Refer to Instrument Panel Center Trim Panel Replacement in Instrument Panel, Gages and Console.

Radio Replacement UY4

Removal Procedure

  1. Remove the rear shelf trim panel. Refer to Rear Window Shelf Trim Panel Replacement in Interior Trim.

  2. Object Number: 474819  Size: SH
  3. Remove the fasteners (4) retaining the radio (5) to the radio / navigation processor bracket.
  4. Disconnect the electrical connectors (1,3) and the antenna (2) from the radio (5).
  5. Remove the radio (5) from the radio / navigation processor bracket.

Installation Procedure


    Object Number: 474819  Size: SH
  1. Install the radio (5) to the radio / navigation processor bracket.
  2. Reconnect the antenna (2) and the electrical connectors (1,3) to the radio (5).
  3. 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.

  4. Install the fasteners (4) that retain the radio (5) to the radio / navigation processor bracket.
  5. Tighten
    Torque the radio fasteners to 5 N·m (44 lb in).

  6. Install the rear shelf trim panel. Refer to Rear Window Shelf Trim Panel Replacement in Interior Trim.