None. There should be no play. If there is the tie rod end is worn.
Yes, it is very dangerous. If the tie rod is worn and it come loose you will loose all steering control and will have an accident which could result in death. Do not drive any vehicle with worn tie rod ends.
It could knock or squeak.
you most likely have worn tie rod ends or inner tie rod bushings that need replacing.
Worn ball joints, worn tie rod ends and worn shocks are the main causes.
Probably worn balljoints or tie rod ends or a defective tire.
Yes, worn tie rod ends will make an alignment impossible and if the alignment was done with that sides tie-rod end compressed(clearance taken out) it will pull to that side while driving.
either your rack and pinion worm gear is worn out or you have bad inner-outter tie rod ends. turn the steering wheel back and forth and have a buddy watch the tie rod ends for play. replace as needed.
Bad shocks, worn ball joints, worn tie rod ends - all cause tire wear.
Loose or worn steering rack? Worn steering components: tie rod ends etc.
Check for loose/worn steering components i.e. tie rod ends, ball joints
Check for worn parts Steering box Tie rod ends Idler arm Pitman Arm Drag link Ball joints Check for worn parts Steering box Tie rod ends Idler arm Pitman Arm Drag link Ball joints