GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 183044  Size: SH
  1. Open the hood.
  2. Remove the right side of air inlet grille. Refer to Air Inlet Grille Panel Replacement .
  3. Start at the center of the plenum chamber deflector and pull forward and off of the flange.

  4. Object Number: 182968  Size: SH
  5. Remove the plenum chamber deflector extension.

Installation Procedure


    Object Number: 183044  Size: SH
  1. Align the plenum chamber deflector to the flange.
  2. Install the plenum chamber deflector to the flange.
  3. Start at the passenger side corner and with a pressing motion work toward the center of the car.


    Object Number: 182968  Size: SH
  4. Insert the tabs of the plenum chamber deflector extension to the flange of plenum chamber and press down until fully seated.
  5. Install the right side of air inlet grille. Refer to Air Inlet Grille Panel Replacement .
  6. Close the hood.