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I just replaced the left tie rod end and aligned it for zero toe in.


Procedure:

First you have to know the front and rear track of your car, Saturn s series is 56.8 front and 56 inches rear. So that's .4 inches difference front and rear.

Take a white piece of cardboard and in black marker draw a long rectangle that is .4 inch wide.
Put your car on a flat surface, put the steering wheel straight and roll ithe car back and forth a few times and then roll it forward and put the parking brake on. Long side vertical, place cardboard in front of the rear tire. This is a gauge.

Eyeball along the front tire edge looking at the rear tire edge and rectangle. Lining up the two edges of the front tire should point to the rear tire and be .4 inches outboard of the tire edge, using the rectangle to gauge it. You can sight the inside or outside edges of the tire, as close to the center of the wheel (axle) as you can. Check both sides, they should be the same.

Adjust the tie rods either way, tighten and check again, roll back forth and check again, check that the steering wheel is still straight.

This is assuming that all the suspension parts, ball joints, rod ends are good and not too much play and the tires are inflated.

Rear wheel toe can be set the same way.