Wheel Alignment Angles: Caster

WARNING: This page is about a different car, the 2002 Ford RV Cutaway, 2002 Ford Econoline, 2002 Ford E550 Super Duty, 2002 Ford E450 Super Duty, and 2002 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Caster and Frame Angle (Positive Caster Shown)

Courtesy of FORD MOTOR CO.

Caster is the deviation from vertical of an imaginary line drawn through the ball joints when viewed from the side. The caster SPECIFICATIONS will give the vehicle the best directional stability characteristics when loaded and driven. The caster setting is not related to tire wear.