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center of the upper ball joint (or strut) and the lower INCLUDED ANGLE (I.A.) Included angle is the sum of the S.A.I. angle plus or minus the camber angle, depending on whether or THRUST ANGLE Thrust angle is the averaged direction the rear wheels are pointing in relation to the vehicle’s center • Negative thrust angle means the rear tires are tracking to the left of the front tires. • Positive thrust angle means the rear tires are tracking to the right of the front tires. Improper tracking can cause undue tire wear, a lead or pull and a crooked steering wheel. Excessive the rear wheel toe so that each wheel has 1/2 of the CURB HEIGHT There are two different vehicle suspension heights measured on this vehicle. They are Curb Height and • it has a full tank of fuel; • all fluids are filled to their proper levels; and • no passengers or additional weight have been added to the vehicle. For information on design height, (Refer to 2 - SUSPENSION/WHEEL ALIGNMENT - DESCRIP- DESIGN HEIGHT There are two different vehicle suspension heights measured on this vehicle. They are Curb Height and Generally speaking, design height is the same as curb, except for the addition of passengers loaded The vehicle is set to design height during factory production. At this height all rubber bushing- mounted components of the vehicle’s suspension sys- Fig. 5 S.A.I. and I.A. 1 - S.A.I. Fig. 6 Thrust Angle 2 - 58 WHEEL ALIGNMENT ZB WHEEL ALIGNMENT (Continued) |