GM Service Manual Online
For 1990-2009 cars only

Automatic Recirculation Switch Replacement Switch

Removal Procedure


    Object Number: 906403  Size: SH
  1. Carefully remove the A/C-Recirc switch package by lifting at the outer edge with a small screwdriver.
  2. Disconnect the electrical connector.

Installation Procedure


    Object Number: 906403  Size: SH
  1. Connect the electrical connector.
  2. Install the A/C-Recirc switch package through the opening and push it straight in.

Automatic Recirculation Switch Replacement Bulb

Removal Procedure


    Object Number: 903903  Size: SH
  1. Remove the A/C-Recirc switch package by lifting at the outer edge with a small screwdriver.
  2. Turn the bulb socket counterclockwise and remove.

Installation Procedure


    Object Number: 903903  Size: SH
  1. Insert the bulb into the opening and turn the clockwise to lock.
  2. Install the A/C-Recirc switch package through the opening and push straight in.