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Home >> Chevrolet >> 2001 >> Cavalier LS, 2.2 4 >> Repair and Diagnosis >> External Pages >> Different car >> Section 339 (Lighting Systems) >> Repair Instructions >> Headlamp Aiming (Pontiac) >> Headlamp Aiming Procedure

Headlamp Aiming Procedure

WARNING: This page is about a different car, the 2003 Pontiac Sunfire and 2003 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
  1. Open the hood.
  2. Measure from the floor to the center of the headlamp bulb. Some headlamps have an aim dot marked on the headlamp lens.
  3. At the screen, measure from the floor and place the horizontal tape at the measured distance.
  4. Measure from the reference line on the floor to the left headlamp bulb centerline.
  5. At the screen, measure from the reference line and place the vertical tape at the measured distance.
  6. Measure from the reference line on the floor to the right headlamp bulb centerline.
  7. At the screen, measure from the reference line and place the vertical tape at the measured distance.
    Fig 1: Measuring Distance Between Screen And Headlamp Bulb Center
    G01558901Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: DO NOT cover the headlamp, this may cause excessive heat build up.
  8. Turn ON the low beam headlamps and block the light from projecting onto the screen from the passenger side headlamp.
    Fig 2: Blocking Light From Projecting Onto Screen From Passenger Side Headlamp
    G01558902Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The headlamps can not be adjusted horizontally.
  9. Adjust the vertical aim (1) of the headlamps to the specifications required by the state and the local authorities, or as shown in step number 8.
  10. Repeat the aiming procedure for the passenger side headlamp while blocking the light from projecting onto the screen from the driver side headlamp.
  11. Turn the headlamps OFF.
  12. Close the hood.
    Fig 3: Identifying Vertical Aim Of Headlamp
    G01558903Courtesy of GENERAL MOTORS CORP.