Camber incorrectly adjusted.

Steering will pull to the side of the axle having the greatest positive camber.

Adjust the camber. Refer to Front Camber Adjustment in Wheel Alignment.

Low air pressure in the right or left tire.

Steering will pull to the side having the lowest air pressure.

1. Inflate the tires to the correct pressure.
2. Inspect the tire for an air leak and repair as required.

Axle loose and shifted at the spring U-bolts.

1. Align and tighten the axle U-bolt nuts to specifications.
2. Inspect, replace damaged parts as required.

Rear axle loose at the spring.

U-bolt shifted at one side causes the steering to pull.

1. Align the rear axle and replace defective components.
2. Tighten the U-bolts to specifications.