Air is present in the system.

1. Add power steering fluid to the power steering reservoir . Refer to Checking and Adding Power Steering Fluid .
2. Bleed the system. Refer to Power Steering System Bleeding .
3. Inspect the hose connectors for proper torque.

The steering gear mounting is loose.

Tighten the attaching bolts to the specified torque. Refer to Fastener Tightening Specifications .

The steering linkage joints are worn.

Replace any loose parts. Refer to Steering Linkage Inspection in Steering Linkage.

The steering gear mounting bolts are loose.

Tighten the steering gear mounting bolts to specifications. Refer to Fastener Tightening Specifications .

Worn or maladjusted front wheel bearings.

Adjust or replace the bearings.

Worn or damaged steering gear.

Replace the steering gear. Refer to Steering Gear Replacement .