Automotive Service Modern Auto Tech Study Guide Chapter 74 Pages 1445 ­ 1465 Alignment 20 Points Automotive Service

1. The term alignment means

“To position in a straight line.” Automotive Service 2. Correct wheel alignment insures safe operation, sure ______, maximum ______economy, and longer tire life.

Handling, Fuel Automotive Service 3­5. Identify the 3 fundamental angles of wheel alignment.

Caster Camber

Toe Automotive Service Identify the diagnostic angles of wheel alignment. Automotive Service 6. ______is the forward or rearward tilt of the spindle as viewed from the side of the vehicle.

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Caster Camber Toe Automotive Service

7. Caster is not considered a tire wearing angle and is often used to offset the effects of road ______pull. Positive caster aids in directional stability. A vehicle pulls toward the side with the least caster.

Castle Crown Moat Automotive Service Automotive Service 8. ______is inward or outward top tilt of the wheel & tire as viewed from the front of the vehicle.

Caster Camber Toe Automotive Service

9. Camber is a ______wearing angle and is usually set to position the weight of the vehicle mostly on the larger, inner wheel bearing. A vehicle pulls toward the side with the most positive camber.

Tire Brake Shock Automotive Service 10. ______is determined by measuring the difference between the front & rear of the left & right wheels.

Front of Car

Toe In

Caster Camber Toe Automotive Service

11. Toe is the most severe tire wearing angle! Too much toe­____ or toe­_____ will cause the tires to scuff or skid sideways instead of rolling in the direction of travel. Front as well as rear toe is adjustable. Automotive Service 12. A steering wheel that is not straight can be caused by incorrect ______settings. RWD vehicles normally have a little front toe­in and FWD vehicles normally have a little front toe­out. Zero running toe is good.

Caster Camber Toe Automotive Service 13. Major parts are bent & need replacement if either ______or Toe­out on Turns (turning radius) is incorrect.

S.A.I. Toe Camber Automotive Service 14. ______refers to the position or direction of the two front wheels in relation to the rear wheels.

Tracking Toe­ out on Turns S.A.I. Automotive Service 15. Too much positive or negative ______produces tire wear on one side of the tire tread.

Caster Camber Toe Automotive Service 16. Too much positive or negative ______produces a feathered edge or a saw­tooth tire wear pattern.

Caster Camber Toe Automotive Service 17. ______Angle, Steering ______Inclination, & ______­out on ______are diagnostic angles.

Thrust Angle, Steering Axis Inclination, Toe­ out on Turns Automotive Service Automotive Service Automotive Service

Predict the Pull Automotive Service

Predict the Pull