The vehicle should be properly prepared as
follows:
• The vehicle should be placed so the
headlamps are 25 ft. (7.6 m) from a light
colored wall or other flat surface.
• The vehicle must have all four tires on a
level surface which is level all the way to
the wall or other flat surface.
• The vehicle should be placed so it is
perpendicular to the wall or other flat surface.
• The vehicle should not have any snow, ice,
or mud on it.
• The vehicle should be fully assembled and
all other work stopped while headlamp
aiming is being performed.
• The vehicle should be normally loaded
with a full tank of fuel and one person
or 160 lbs (75 kg) sitting on the driver’s seat.
• Tires should be properly inflated.
• The spare tire is in its proper location in
the vehicle.
Headlamp aiming is done with the vehicle’s
low-beam headlamps. The high-beam headlamps
will be correctly aimed if the low-beam headlamps
are aimed properly.
To adjust the vertical aim, do the following:
1. Open the hood. See Hood Release on
page 401 for more information.
2. Locate the center
of the projector lens
of the low-beam
headlamp.
3. Measure the distance from the ground to the
center of the projector lens of the low-beam
headlamp. Record the distance.
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