Chevrolet 16506958 Headlight Capsule (Outboard)

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Pull the sealed beam unit forward and disconnect the plug from the rear.

The headlights must be aimed correctly. If adjusted incorrectly they could blind the driver of an oncoming vehicle and cause a serious accident or seriously reduce your ability to see the road. The headlights should be checked for proper aim every 12 months and any time a new headlight is installed or front end body work is performed. It should be emphasized that the following procedure is only an interim step which will provide temporary adjustment until the headlights can be adjusted by a properly equipped shop. Headlights have two spring-loaded adjusting screws, one for controlling up-and-down movement and one for controlling left-and-right movement. There are several methods of adjusting the headlights. The simplest method requires a blank wall 25 feet in front of the vehicle and a level floor. Position masking tape vertically on the wall in reference to the vehicle centerline and the centerlines of both headlights. Position a horizontal tape line in reference to the centerline of all the headlights. It may be easier to position the tape on the wall with the vehicle parked only a few Inches away. Adjustment should be made with the vehicle sitting level, the gas tank half-full and no unusually heavy load in the vehicle. Starting with the low beam adjustment, position the high intensity zone so it is two inches below the horizontal line and two inches to the right of the headlight vertical line. Adjustment is made by turning the top adjusting screw clockwise to raise the beam and counterclockwise to lower the beam. The adjusting screw on the side should be used in the same manner to move the beam left or right. With the high beams on, the high intensity zone should be vertically centered with the exact center just below the horizontal line. It may not be possible to position the headlight aim exactly for both high and low beams. If a compromise must be made, keep in mind that the low beams are the most used and have the greatest effect on driver safety. Have the headlights adjusted by a dealer service department or service station at the earliest opportunity.

Remove the grille.