POTENTIAL CAUSE(S)

CHECK THIS FIRST:

1. INCORRECT FRONT WHEEL ALIGNMENT, PARTICULARLY TOE
Have front wheels professionally aligned.
Add toe-out if outer tread is feathered to correct excessive toe-in.
Add toe-in if inner tread is feathered to correct excessive toe-out.

CHECK THIS LAST:

2. WORN BUSHINGS IN SUSPENSION COMPONENTS
Have bushings or suspension components professionally replaced.