GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the windshield wiper arms. Refer to Windshield Wiper Arm Replacement in Wipers/Washer Systems.

  2. Object Number: 638414  Size: SH
  3. Remove the push in retainer caps from the air inlet grille panel (2, 3, 4, 5, 6, 7, 8, 10).
  4. Remove the push in retainers from the air inlet grille panel.
  5. Disconnect the washer hose connector.
  6. Push the washer hose grommet into the plenum area.
  7. Lift the right side of the air inlet grille panel over the wiper arm drive spindles and remove the panel from the vehicle.

Installation Procedure


    Object Number: 507202  Size: SH
  1. Position the washer hose and the washer hose grommet through the hole in the plenum area.
  2. Press the washer hose grommet into position and ensure that it is fully seated.
  3. Install the air inlet grille panel to the vehicle, positioning four way locating post (1) to cowl.
  4. Connect the washer hose connector.
  5. Install the air inlet grille panel retainers (2, 3, 4, 5, 6, 7, 8, 10).
  6. Install the windshield wiper arms. Refer to Windshield Wiper Arm Replacement in Wipers/Washer Systems.