4x2 means a four wheel vehicle in which engine power is transmitted to only two axle ends.
Front wheel drive rear wheel alignment.
This procedure squares the vehicle like a thrust angle alignment and also includes measuring and adjusting the rear axle angles as well as the front.
The front two in front wheel drive or the rear.
The truck is rear wheel drive and is pushed from the back.
When front wheel drive.
This is done on vehicles that do not have adjustments on the rear.
Examples of front wheel suspension toe 0 5 it is also worth mentioning that the numerical toe value is not as significant as the symmetry between the wheels.
Sometimes simply repositioning the rear axle can correct this misalignment but in if not then the front wheels are aligned just enough to set the steering dynamics right.
The second type is a full 4 wheel alignment where the adjustments are first made to true up the rear alignment then the front is adjusted.
This may include a front toe and caster adjustment just like the front end alignment while the rear wheels receive a toe and camber adjustment.
Consider the following example.
On all vehicles with four wheel independent suspensions or front wheel drive vehicles with adjustable rear suspensions the appropriate alignment is a four wheel alignment.
It was not until the 1980 s with the introduction of front wheel drive vehicles did people realize the important the rear wheel drive alignment.