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4. WHEEL ALIGNMENT
Wheel alignment (adjustment of Camber, Caster and Toe) is part of standard automobile
maintenance that consists of adjusting the angles of the wheels so that they are set to the
specification. The purpose of these adjustments is to reduce tire wear, and to ensure that vehicle
travel is straight and true (without "pulling" to one side). Alignment angles can also be altered
beyond the specifications to obtain a specific handling characteristic.
Necessity for Wheel Alignment
Wheel alignment consists of adjusting the angles of the wheels so that they are perpendicular to
the ground and parallel to each other. The purpose of these adjustments is maximum tire life and
a vehicle that tracks straight and true when driving along a straight and level road.
The symptoms of a vehicle that is out of alignment are:
Uneven or rapid tire wear
Pulling or drifting away from a straight line
Wandering on a straight level road
Spokes of the steering wheel off to one side while driving on a straight and level road.
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