GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Metro 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Control Assembly Replacement

Removal Procedure
  1. Remove the center console trim bezel. Refer to Instrument Panel Cluster Trim Plate Bezel Replacement in Instrument Panel, Gauges, and Console.
  2. Remove the radio. Refer to Radio Replacement in Entertainment.
  3. Grasp firmly on the heater control unit lever knobs in order to pull the knobs out.
  4. Remove the 1 screw and the right-side instrument panel (IP) cluster lower cover.
  5. Gently pry out the heater face plate.
  6. Remove the face plate illumination lamp socket.

    7. Object Number: 354232 Size: SH
  7. Remove the following cables at the heater case and the blower case:
    8. • The temperature control cable (6). Refer to Temperature Control Cable Replacement .
    • The mode control cable (2). Refer to Mode Control Cable Replacement .
    • The refresh/recirc control cable (3). Refer to Vent Control Cables Replacement .
  8. Remove the 2 screws from the heater control unit.
  9. Disconnect the blower switch electrical connector.
  10. Remove the heater control unit from the IP through the radio opening.
  11. Remove the blower switch from the heater control unit (if necessary).

Installation Procedure

    Object Number: 354232 Size: SH
  1. Install the blower switch to the heater control unit (if necessary).
  2. Install the heater control unit (5) to the IP.
  3. Connect the blower motor electrical connector.
  4. Install the heater control unit (5).

    5. Secure the unit with the 2 screws.

  5. Install the following cables:
    6. • The temperature control cable (6). Refer to Temperature Control Cable Replacement .
    • The mode control cable (2). Refer to Mode Control Cable Replacement .
    • The refresh/recirc control cable (3). Refer to Vent Control Cables Replacement .
  6. Install the illumination lamp socket to the heater face plate.
  7. Install the IP cluster lower cover. Secure the cover with 1 screw.
  8. Install the heater control unit lever knobs.
  9. Install the radio. Refer to Radio Replacement in Entertainment.
  10. Install the center console trim bezel. Refer to Instrument Panel Cluster Trim Plate Bezel Replacement in Instrument Panel, Gauges, and Console.
  11. Adjust the temperature, the mode, and the fresh/recirc control cables. Refer to Temperature Control Cable Adjustment , Mode Control Cable Adjustment and Vent Control Cable Adjustment .