With Optical Tester

Requirements prior to checking wheel alignment.
- Good, uniform treads.
- Specified tire inflation preassure.
- Wheel rims in perfect condition.
- Specified wheel bearing play.
- Car brought to normal position.
- Specified height.




1 = Toe
2 = Camber
3 = Caster (with 10° or 20° wheel lock)
4 = Toe difference angle (with 20° wheel lock)
5 = Wheel offset
6 = Camber
7 = Rear wheel position
8 = Toe
9 = Geometrical axis