GM Service Manual Online
For 1990-2009 cars only

Object Number: 1576127  Size: SF

Callout

Component Name

Fastener Tightening Specifications: Refer to Fastener Tightening Specifications .

Preliminary Procedures

  1. Tip
    Horizontal aim is not adjustable on this vehicle. Vertical aiming is accomplished by using the adjuster screw located at the top of the fog lamp from the exterior of the lower outer grille.

  2. Completely assemble all of the components on the vehicle.
  3. Place the vehicle on a level surface.
  4. Stop all work on the vehicle that could affect the ride height of the vehicle.
  5. Close all doors and verify that the luggage compartment is empty.
  6. Stabilize the suspension.
  7. Ensure the fuel level is full.
  8. Ensure the tires are inflated to proper specification, see the tire placard, inside edge of the driver's door.
  9. Ensure that the driver or a similar weight, approximately 75kg (165 lbs) is in the driver seat.
  10. Park the vehicle 7.6 m (25 ft) away from the target screen.
  11. Measure from the center of the fog lamp to the ground line. Using this measurement, mark the horizontal centerline of the fog lamp line on the target screen directly in front of the vehicle.
  12. Turn on the fog lamps.
  13. The top of the fog lamp beam image on the target screen should be 102 mm (4 in) below the center of the fog lamp lens height.
  14. Adjust the fog lamp beam as required using the adjusting screw just above the fog lamp lens, exterior side of the vehicle.
  15. Turn off the fog lamps after adjustment has been achieved.

1

Adjuster Screw

Tip
Minimal turning of the adjuster screw will achieve maximum results on the screen.

2

Fog Lamp Projector Lens

Tip
Measure from the centerline of the lens to the ground line to achieve the target screen horizontal line for projector adjustment.