The front tire inflation pressure is low or uneven.

Inflate the tires to the recommended pressure.

The steering linkage, king pins, or ball joints need lubrication.

1. Lubricate, and free up the steering linkage.
2. Inspect for wear and damage.

The intermediate rod, the tie rod, or the idler socket is tight or frozen.

Lubricate or replace as necessary.

There is a misalignment of the steering gear to column.

Align the column.

The steering gear is adjusted too tightly.

Adjust the preload.

The front wheel alignment is incorrect.

Verify the wheel alignment and correct as necessary.

A binding condition in the steering column

1. Inspect the column mounting and the column bearings.
2. Adjust or replace as necessary.

The knuckle thrust bearings are worn.

1. Replace the bearings.
2. Inspect the axle for wear and damage.