Measure steering-wheel travel by making a chalk mark on the rim and using your finger as a reference point to check the movement before the front wheels begin to move.
Tell the helper to move the wheel very slowly, and to stop when you call out. Call when you see the track rod move.
If there is more than 1/2in (13mm) movement in the steering wheel, check for play at the steering rack and at the track-rod ends.
Part of a steering rack check involves raising the front of the car but retaining its weight on ...