GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the I/P assembly. Refer to Instrument Panel Carrier Replacement in Instrument Panel, Gages and Console.

  2. Object Number: 943438  Size: SH
  3. Remove the retainers from the defogger upper outlet duct .
  4. Disconnect and remove the defogger upper outlet duct from the defogger lower outlet duct.

  5. Object Number: 943428  Size: SH
  6. Disconnect the defogger lower outlet duct from the SIR bracket.
  7. Disconnect the defogger lower outlet duct from the defroster duct.
  8. Remove the defogger lower outlet duct.

Installation Procedure


    Object Number: 943428  Size: SH
  1. Install the defogger lower outlet duct.
  2. Connect the defogger lower outlet duct to the defroster duct.
  3. Connect the defogger lower outlet duct to the SIR bracket.

  4. Object Number: 943438  Size: SH
  5. Connect the defogger upper outlet duct to the defogger lower outlet duct.
  6. Install the retainers to the defogger upper outlet duct.
  7. Install the I/P assembly. Refer to Instrument Panel Carrier Replacement in Instrument Panel, Gages and Console.