GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2004 🢒 Epica 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 Heater and Air Conditioning Control Replacement

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1256112 Size: SH
  1. Disconnect the negative battery cable.
  2. Remove the audio trim panel. Refer to Radio Replacement .
  3. Remove the control assembly retaining screws.
  4. Pull out the unit to gain access to the rear.
  5. Disconnect the electrical connectors.
  6. Remove the air inlet tube.
  7. Remove the automatic temperature control assembly.

Installation Procedure

    Object Number: 1256112 Size: SH
  1. Connect the air inlet tube.
  2. Connect the electrical connectors.

    3. Notice: Refer to Fastener Notice in the Preface section.

  3. Position the automatic temperature control assembly and install the retaining screws.

    4. Tighten
    Tighten the control assembly retaining screws to 2.5 N·m (22 lb in).

  4. Install the audio trim panel. Refer to Radio Replacement .
  5. Connect the negative battery cable.