Wheel Alignment: Inspection: Caster

WARNING: This page is about a different car, the 2011 Subaru Tribeca. However, it is still accessible from the selected car via links, so may be relevant.

INSPECTION

Place the front wheel on the turning radius gauge. Make sure the ground contact surfaces of front and rear wheels are at the same height.
Set the adapter at the center of wheel, and then attach the wheel alignment gauge.

Fig 1: Identifying Alignment Gauge, Turning Radious Gauge And Adapter
Courtesy of SUBARU OF AMERICA, INC.
Measure the caster angle in accordance with the operation information for wheel alignment gauge.
CASTER SPECIFICATION CHART

Caster (Reference)

3°40'