Check for air contamination in the power steering system.

Bleed the power steering system.

Check the wheel bearings for wear or damage.

Replace the wheel bearings.

Check the steering gear mounting for looseness.

Tighten the steering gear mounting bracket nuts.

Check the steering gear-to-column joints for improper installation.

Adjust the steering coupling flange on the steering gear and the steering column. Replace the coupling flange as needed.

Check the outer tie rods and ball joints for looseness.

Tighten the tie rods and the ball joints. Replace the tie rods and the ball joints as needed.

Inspect for air in the power steering system.

Purge the power steering system of air.

Inspect for loose or worn wheel bearings.

Tighten the drive axle nut. Replace the wheel bearings as needed.