Benefits Of Wheel Alignment
Reduced Tyre Wear
Improper alignment is a major cause of premature tyre wear. Over time, a properly aligned vehicle can
add thousands of miles to tyre life.
Better Fuel Economy
Fuel mileage increases as rolling resistance decreases.
Does your car pull to one side?
Does the steering wheel vibrate?
Do you constantly have to move the steering wheel to keep your car traveling straight ahead?
Many handling problems can be corrected by 4wheel alignment. With all the system components aligned properly, road shock is more efficiently absorbed for a smoother ride.
The main angles of alignment is Camber, Caster,Toe and Thrust Angle
What is Camber Angle?
Camber is the angle of the wheel, measured in degrees, when viewed from the front of the vehicle. If the top of the wheel is leaning out from the centre of the car, then the camber is positive ,if it's leaning in, then the camber is negative. If the camber is out of adjustment, it will cause tyre wear on one side of the tyre's tread. If the camber is too far negative, for instance, then the tyre will wear on the inside of the tread and if too postive then tyre will wear on outer edge.
What is Caster Angle?
When you turn the steering wheel, the front wheels respond by turning on a pivot attached to the suspension system. Caster is the angle of this steering pivot, measured in degrees, when viewed from the side of the vehicle. If the top of the pivot is leaning toward the rear of the car, then the caster is positive, if it is leaning toward the front, it is negative. If the caster is out of adjustment, it can cause problems in straight line tracking. If the caster is different from side to side, the vehicle will pull to the side with the less positive caster. If the caster is equal but too negative, the steering will be light and the vehicle will wander and be difficult to keep in a straight line. If the caster is equal but too positive, the steering will be heavy and the steering wheel may kick when you hit a bump. Caster has little affect on tyre wear.
What is Toe Angle?
Toe is a measurement of how much the front and/or rear wheels are turned in or out from a straight-ahead position. When the wheels are turned in, toe is positive (+). When the wheels are turned out, toe is negative (-). The actual amount of toe is normally only a fraction of a measurement . The purpose of toe is to ensure that the wheels roll parallel. Toe also serves to offset the small deflections of the wheel support system that occur when the vehicle is rolling forward. In other words, with the vehicle standing still and the wheels set with toe-in, the wheels tend to roll parallel on the road when the vehicle is moving. Improper toe adjustment will cause premature tyre wear and cause steering instability.
What is Thrust Angle?
Thrust angle is the direction that the rear wheels are pointing in relation to the centre line of the vehicle. If the thrust angle is not zero, then its possible the vehicle will "crab" and the steering wheel will not be central. The best solution is to first adjust the rear toe to the centre line and then adjust the front toe. This is normally done during a 4-wheel alignment.