GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1999 🢒 Grand Prix 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Headlamp Replacement

Removal Procedure

    Object Number: 312989 Size: SH

    Notice: When removing body panels, apply tape to corners of panel and adjacent surfaces to help prevent paint damage.

  1. Raise the hood.
  2. Remove the bolts retaining the headlamp assembly to the upper fascia support and fender reinforcement.

    3. Object Number: 574555 Size: SH
  3. Slide the headlamp outboard just enough to release the headlamp bracket tabs from the slots (1) on the upper fascia support and fender reinforcement.
  4. Carefully reposition the headlamp assembly away from the vehicle body in order to access the electrical connector.

    5. Object Number: 312996 Size: SH
  5. Disconnect the electrical connector from the headlamp assembly.
  6. Remove the headlamp assembly.

Installation Procedure

    Object Number: 312996 Size: SH
  1. Connect the electrical connector to the headlamp assembly.

    2. Object Number: 574555 Size: SH
  2. Position the headlamp assembly to the vehicle body, just outboard of the installed position.
  3. Align the headlamp bracket tabs to the slots (1) on the upper fascia support and fender reinforcement, then slide the headlamp inboard to engage and secure the tabs.

    4. Object Number: 312989 Size: SH

    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.

  4. Install the headlamp assembly retaining bolts.

    5. Tighten
    Tighten the headlamp assembly retaining bolts to 6 N·m (53 lb in).

  5. Check the headlamp aim, if a new headlamp assembly was installed, or if service or repairs in the front end area may have disturbed the headlamp mounting brackets.
    6. • To check the aim of the headlamps using the screen method, refer to Headlamp Aiming
    • To check the aim of the headlamps using the mechanical method, refer to Headlamp Aiming
  6. Close the hood.
  7. Remove any protective tape applied during the removal procedure.