Check for an out-of-balance tire or wheel.

Balance the tire or the wheel.

Check for excessive wheel hub runout.

Check for excessive brake drum or brake rotor imbalance.

Check for worn tie rod ends.

Replace the outer tie rods.

Check for wheel trim imbalance.

Balance the wheel.

Check for a worn lower ball joint.

Replace the lower ball joint.

Check for excessive wheel runout.

Check for excessive loaded radial runout on the tire and the wheel assembly.

Match-mount the tire and the wheel assembly.