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Oldsmobile 2001 Alero User Manual

Page 272

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To check the aim, the vehicle should be properly
prepared as follows:
D The vehicle must have all four tires on a perfectly

level surface.

D If necessary, pads may be used on an uneven surface.
D The vehicle should not have any snow, ice or mud

attached to it.

D The vehicle should be fully assembled and all other

work stopped while headlamp aiming is being done.

D There should not be any cargo or loading of the

vehicle, except it should have a full tank of fuel and
one person or 160 lbs. (75 kg) on the driver’s seat.

D Close all doors.
D Tires should be properly inflated.
D Rock the vehicle to stabilize the suspension.

Start with the horizontal aim. The adjustment screws can
be turned with an E8 Torx

R

socket.

Once the horizontal aim is adjusted, then adjust the
vertical aim.