GM Service Manual Online
For 1990-2009 cars only

Air Inlet Grille Panel Replacement Envoy, TrailBlazer

Removal Procedure

  1. Remove the windshield wiper arms. Refer to Windshield Wiper Arm Replacement .

  2. Object Number: 742164  Size: SH
  3. Remove the air inlet grille panel retaining nuts.
  4. Remove the air inlet grill panel push-pin retainers.
  5. Disconnect the washer hose.
  6. Remove the air inlet grille panel from the vehicle, by pulling upwards in order to disengage the retaining clips.
  7. Place the air inlet grille panel on a clean, prepared surface.
  8. Remove the rear hood seal from the air inlet grille panel studs.

Installation Procedure


    Object Number: 742164  Size: SH
  1. Position the rear hood seal to the air inlet grille panel.
  2. Install the rear hood seal to the air inlet grille panel studs.
  3. Position the air inlet grille panel to the vehicle.
  4. Push downward on the air inlet grille panel to seat the retaining clips.
  5. Connect the washer hose.
  6. Install the push-pin retainers.
  7. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  8. Install the air inlet grille retaining nuts.
  9. Tighten
    Tighten the air inlet grille nuts to 4 N·m (35 lb in).

  10. Install the windshield wiper arms. Refer to Windshield Wiper Arm Replacement .