GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2002 🢒 Eldorado 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Headlamp Capsule Replacement

Removal Procedure

    Caution: Halogen bulbs contain gas under pressure. Handling a bulb improperly could cause it to shatter into flying glass fragments. To help avoid personal injury:

       • Turn off the lamp switch and allow the bulb to cool before changing the bulb.
       • Leave the lamp switch OFF until the bulb change is complete.
       • Always wear eye protection when changing a halogen bulb.
       • Handle the bulb only by its base. Avoid touching the glass.
       • Keep dirt and moisture off the bulb.
       • Properly dispose of the used bulb.
       • Keep halogen bulbs out of the reach of children.

  1. Remove the upper filler panel. Refer to Filler Panel Replacement - Upper in Body Front End.

    2. Object Number: 657990 Size: SH
  2. Remove the turn signal lamp assembly. Refer to Parking and Turn Signal Lamp Replacement .

    3. Object Number: 657987 Size: SH
  3. Remove the fasteners retaining the headlamp capsule (5) to the headlamp housing panel (2).
  4. Partially remove the headlamp capsule.
  5. Disconnect the headlamp bulbs from the capsule.
  6. Remove the capsule (5).

Installation Procedure

    Object Number: 657987 Size: SH
  1. Install the headlamp bulbs to the headlamp capsule 
  2. Insert the tabs on the capsule in the slots in the housing (2).

    3. 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.

  3. Install the fasteners in order to retain the headlamp capsule (5) to the headlamp housing panel. 

    4. Tighten
    Tighten the fasteners to 6 N·m (53 lb in).


    Object Number: 657990 Size: SH
  4. Install the turn signal lamp. Refer to Parking and Turn Signal Lamp Replacement .
  5. Install the upper filler panel. Refer to Filler Panel Replacement - Upper in Body Front End.