1. Auto Upkeep Basic Car Care, Maintenance, and Repair (2nd Edition)
Chapter 1 - Introduction and How Cars Wor
Auto Upkeep Basic Car Care, Maintenance, and Repair (2nd Edition)
Chapter 14
Suspension, Steering, and Tires
Chapter 14
© 2007 Rolling Hills Publishing

2. Chapter 1 - Introduction and How Cars Wor
Fuel for Thought
What would it feel like to ride in a vehicle that did not have a suspension system?
Why might the steering wheel of a vehicle pull to one side?
How are tires designed to help you determine when they are worn out?
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Objectives
Upon completion of this chapter and activities, you will be able to:
Define the purpose and identify the functions of the suspension system.
Define the purpose and identify the functions of the steering system.
Discuss the importance of tires and explain their ratings.
Inspect suspension and steering components.
Inspect and rotate tires.
Chapter 14
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4. Suspension System Purpose
Control the up and down movement of the vehicle.
Keeps the tires in contact with the road.
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5. Suspension Components
Frame or unibody
Shocks
Springs
Struts
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6. Steering System Purpose
The steering system controls the directional movements of the vehicle.
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7. Steering System Components
Steering wheel
Steering linkage
Power steering pump
Some are electric
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Tire Classifications
Tread Design
M + S
Snow
Tire Sizes
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Tire Classifications
Tire Plies
Tire Grading
Treadwear
Traction
Temperature
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Tire Classifications
Light Truck Tire Load Range
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Tire Classifications
Run Flat Tires
Self-sealing
Self-supporting
Tire/wheel combination systems
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12. Tire Care and Maintenance
Tire wear
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13. Tire Care and Maintenance
Tire Wear Indicator Bars
Set at 2/32nds of an inch (1.6 mm)
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14. Tire Care and Maintenance
Tire Rotation
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15. Tire Care and Maintenance
Torque lug nuts in a star pattern
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16. Tire Care and Maintenance
Tire Repairs
Use a patch/plug combination – requires removal of tire from wheel
Do not repair sidewalls
Tire Pressure Monitoring System
Monitors tire pressure
Required on vehicles built on or after Sept 1st, 2007
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17. Tire Care and Maintenance
Always refer to the tire placard for tire pressure information
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18. © 2007 Rolling Hills Publishing www.AutoUpkeep.com
Summary
The suspension system absorbs bumps in the road to give you a smooth ride.
The steering system allows the operator to control left and right motions of the vehicle.
Tires provide the traction (adhesive friction) necessary for maneuvering.
Chapter 14
© 2007 Rolling Hills Publishing