Air exists in the power steering system.

Bleed the power steering system. Refer to Bleeding Power Steering System.

The steering column intermediate shaft is loose.

Repair or replace the steering column intermediate shaft. Refer to Intermediate Steering Shaft Replacement in Steering Wheel and Column.

The steering gear is loose.

Tighten the steering gear bolts to specification. Refer to Power Steering Gear Replacement.

The tie rod end(s) are loose.

Repair or replace the tie rod ends as necessary. Refer to Tie Rod End Replacement - Outer - On Vehicle.

The wheel bearing/hub is loose.

Repair or replace the wheel bearing/hub. Refer to Wheel Bearing/Hub Replacement - Front in Front Suspension.

There is excessive play in the steering.

Refer to Too Much Play in Steering.