GM Service Manual Online
For 1990-2009 cars only

Radio Replacement U45

Removal Procedure


    Object Number: 737440  Size: SH
  1. Remove the instrument panel (IP) 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. Remove the heating ventilation and air conditioning (HVAC) control and the radio bracket screws (1).
  4. Pull the HVAC control and the radio assembly (2) away from the IP in order to access the antenna and the electrical connections.

  5. Object Number: 737442  Size: SH
  6. Disconnect the antennas and the electrical connectors from the radio and the HVAC control assembly.

  7. Object Number: 737448  Size: SH
  8. Remove the radio to mounting bracket nuts
  9. Remove the radio from the radio/HVAC control mounting bracket.
  10. Important: New and remanufactured radios do not come with mounting brackets, studs or nuts. The hardware will need to be transferred to the replacement radio.

  11. If the radio is to be replaced, remove the hardware from the radio.

Installation Procedure


    Object Number: 737448  Size: SH
  1. Install the mounting hardware to the radio.
  2. Install the radio to the radio / HVAC mounting bracket.
  3. Notice: Refer to Fastener Notice in the Preface section.

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


    Object Number: 737442  Size: SH
  6. Connect the electrical connectors and antennas to the radio and the HVAC control assembly.

  7. Object Number: 737440  Size: SH
  8. Install the HVAC control/radio assembly (2) to the IP.
  9. Install the HVAC control/Radio assembly (2) to IP screws (1).
  10. Tighten
    Tighten the screws (1) to 2 N·m (18 lb in).

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

Radio Replacement U1R, UL6, UM5, UM9

Removal Procedure


    Object Number: 287815  Size: SH
  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. Remove the HVAC control and the radio bracket screws.

  4. Object Number: 789914  Size: SH
  5. Disconnect the antenna and electrical connectors from the radio and the HVAC control assembly.

  6. Object Number: 288103  Size: SH
  7. Remove the radio retaining nuts.
  8. Remove the radio from the radio bracket.
  9. Important: New and remanufactured radios do not come with mounting brackets, studs or nuts. The hardware will need to be transferred to the replacement radio.

  10. If the radio is to be replaced, remove the hardware from the radio.

Installation Procedure


    Object Number: 288103  Size: SH
  1. Install the mounting hardware to the radio.
  2. Install the radio to the radio bracket.
  3. Notice: Refer to Fastener Notice in the Preface section.

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


    Object Number: 789914  Size: SH
  6. Connect the antenna and electrical connectors to the radio and the HVAC control assembly.

  7. Object Number: 287815  Size: SH
  8. Install the HVAC control and the radio assembly.
  9. Tighten
    Tighten the screws to 2 N·m (18 lb in).

  10. Install the console trim plate. Refer to Console Trim Plate Replacement in Instrument Panel, Gages and Console.
  11. Install the IP center trim plate. Refer to Instrument Panel Center Trim Panel Replacement in Instrument Panel, Gages and Console.