Posted on 6/4/2013
There are a few key signs to let you know that you may need a 4 wheel alignment without even getting out of the car. The easiest way to determine if you need a wheel alignment is to relax your grip on the steering wheel while driving straight on smooth pavement and see where the car drives. Does it pull to the left or right or does it continue to go straight? If the vehicle does anything other than drive straight, you should get your wheel alignment specifications checked. Visible uneven tire wear is also an indication that you might need a 4 wheel alignment.
The three measurements that manufactures use to set alignment are: caster, camber, and toe.
Caster refers to the contact patch (where the tire touches the ground) of the tire in relation to the axis of rotation. Positive caster helps re-center the wheels after they have been turned but makes turning efforts higher because ... read more