GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Astro - 4WD 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Control Assembly Bulb Replacement

Removal Procedure

    Object Number: 280274 Size: SH
  1. Remove the control assembly. Refer to Control Assembly Replacement .
  2. Pull the control assembly out far enough in order to reach the control assembly lamp bulb socket.

    3. Object Number: 280273 Size: SH
  3. Use the following procedure in order to remove the lamp bulb and the socket:
    4. 3.1. Turn the lamp bulb and the socket 1/4 turn.
    3.2. Gently lift the lamp bulb and the socket out of the control assembly.
  4. Ensure that the control assembly lamp connections are free from the following conditions:
    5. • Corrosion
    • Damage
  5. Clean or replace the connections, as necessary.

Installation Procedure

    Object Number: 280273 Size: SH
  1. Insert the new lamp bulb and the socket into the control assembly.
  2. Secure the new lamp bulb and the socket to the control assembly with 1/4 turn.

    3. Object Number: 280274 Size: SH
  3. Install the control assembly. Refer to Control Assembly Replacement .