Toyota Repair: Alignment for 1991 Toyota Corolla, toyota corolla dx, lower ball joints

Question
I have a 1991 Toyota Corolla DX 2WD 4FE engine 4 door sedan. I am going to replace the lower ball joints and would like to know how the camber is adjusted on my car? Is it the bolts that hold the lower control arm (sloted holes?) to the ball joint? What about caster?

Thanks.

Answer
The bolt holes are not slotted, under normal circumstances the camber/caster readings should be within specifications, if adjustment of camber is required it can be done by replacing the the bolts holding the struts to the steering knuckles with special eccentric ones, caster adjustment is not possible. If the caster is not within specifications suspension parts may need to be replaced.