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Question

Difficulty: MediumSteering Systems

When an automotive technician performs a wheel alignment to correct feathered tire wear, which component is adjusted by rotating its threaded sleeve to set the front wheels to the proper toe angle?

  1. Tie rod assemblyAnswer
  2. B
    Suspension control arm
  3. C
    Transaxle drive axle
  4. D
    Brake caliper bracket

Answer

Tie rod assembly
The tie rod assembly features threaded ends connected by an adjusting sleeve that allows technicians to adjust linkage length. Lengthening or shortening this assembly alters the angle at which the front wheels point inward or outward (toe angle), eliminating alignment-related tread feathering.

Step-by-Step Solution

1
Identify the alignment angle responsible for feathered tire wear and directional orientation relative to the vehicle centerline.
Toe angle is the horizontal pointing angle of the wheels (inward or outward) that causes feathered tread wear when incorrectly set.
Identifying the target alignment angle determines which mechanical link must be calibrated.
2
Determine which steering linkage component contains threaded adjusters to lengthen or shorten the connection to the wheel knuckle.
The tie rod assembly contains threaded inner and outer sections joined by an adjusting sleeve specifically designed to change linkage length.
Changing the effective length of the tie rods rotates the front of the steering knuckles to set the specified toe angle.

Key Concept

Tie rod linkage adjustment for front wheel toe angle
Estimated Time:1m 0s
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Topics

Steering Systems

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