Title: Identify concerns related to variations in tire circumference and/or final drive ratios.
Course: Automotive Technology III (20104-III) > Section: Manual Drive Train and Axles: Four-Wheel Drive/All-Wheel Drive Component Diagnosis and Repair

Identification should include describing concerns with final drives on vehicles with tires of varying circumferences.

ASE Education Foundation
2017 Automobile Service Technology (AST) Level
III. Manual Drive Train and Axles
F. Four-wheel Drive/All-wheel Drive Component Diagnosis and Repair
Task 4

Process/Skill Questions:

- How can tire size affect shifting in a four-wheel drive vehicle?
- What effect would two different-size tires have on a differential if placed on the same axle?
- What procedures would be used to change tire size on a vehicle?