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Wheel Alignment: Inspection: Caster

  1. Place the front wheel on the turning radius gauge. Make sure the ground contact surfaces of the front and rear wheels are at the same height.
  2. Set the adapter into the center of wheel, and then set the wheel alignment gauge.
    Fig 1: Measuring Caster Angle
    G11575954Courtesy of SUBARU OF AMERICA, INC.
  3. Measure the caster angle in accordance with the operation manual for wheel alignment gauge.
Tire size Caster
Sedan model 225/55R17
225/50R18
5°50'
OUTBACK model 225/65R17
225/60R18
5°00'