GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 473008  Size: SH
  1. Remove the mode control cable from the clip (2) at the heater case. Unhook the cable from the mode door pin.

  2. Object Number: 474200  Size: SH
  3. Remove the heater control assembly (6) from the instrument panel (IP) in order to gain access to the cable. Do not remove the heater control assembly from the vehicle. Refer to Control Assembly Replacement .

  4. Object Number: 474201  Size: SH
  5. Gently pry the mode control cable (4) sheath from the heater control unit. Unhook the cable from the lever arm.
  6. Important: Note the routing position of the cable in order to facilitate installation.

  7. Remove the mode control cable from the instrument panel.

Installation Procedure


    Object Number: 474201  Size: SH
  1. Route the mode cable (4) into the instrument panel as previously noted.
  2. Hook the end of the cable into the hole in the lever arm.
  3. Slide the sheath back on the cable.
  4. Line up the sheath with the sheath retainer.
  5. Slide the sheath into its retainer until it snaps into place.

  6. Object Number: 474200  Size: SH
  7. Install the heater control assembly (6). Refer to Control Assembly Replacement .

  8. Object Number: 474198  Size: SH
  9. Install the mode control cable (1) onto the pin of the mode door and install the cable to the clip at the heater case.
  10. Adjust the cable as necessary. Refer to Mode Control Cable Adjustment .