2. A Systems Approach Automotive Technology PowerPoint® Presentation
Prepared by
René Green

3. Chapter 3
Automotive Systems

4. Automotive Systems Chapter Overview
This chapter discusses significant features of design evolution. The latest, most progressive changes are emphasized. The basic automobile systems that will be covered in later chapters are introduced.

5. Automotive Systems Chapter Objectives
Explain the major events that have influenced the development of the automobile during the last 35 years.
Explain the difference between unitized and body-over-frame vehicles.
Describe the manufacturing process used in a modern automated automobile assembly plant.

6. Automotive Systems
List the basic systems that make up an automobile and name their major components and functions.
Explain the importance of preventive maintenance, and list at least six examples of typical preventive maintenance.

7. Automotive Systems Modern Power Plants Design Evolution Body Shapes
Unitized Construction or Unibody
Body-Over-Frame Construction
Body Shapes
Sedan
Convertibles
Liftback or Hatchback
Station Wagon

8. Automotive Systems Vans Sport utility vehicles (SUV) Aerodynamics
Vehicle form
Air drag reduction
Air dams

9. Automotive Systems
Spoilers

10. Automotive Systems
Wings

11. Automotive Systems The Electronic Revolution Computers Engines
Miller-Stroke
Sterling Engine
Hydrogen Fuel Cell
Hybrid
Solar and/or Battery

12. Automotive Systems The Basic Engine Cylinder Block Cylinder Head
Combustion chamber
Ports
Piston
Connecting Rods
Crankshaft

13. Automotive Systems Valve Train Manifolds Lubrication System
Intake manifold
Exhaust manifold
Lubrication System
Oil pan
Oil sump

14. Automotive Systems Cooling system Water pump Water jackets Radiator
Pressure cap
Thermostat

15. Automotive Systems Fuel and Air System Stores the fuel for later use
Collects and cleans the outside air
Delivers fuel
Regulates the fuel/air ratio

16. Automotive Systems Emission Control System Hydrocarbons (HC)
Carbon monoxide (CO)
Oxides of nitrogen (NOX)
Positive crankcase ventilation (PVC)
Evaporative emission control
Exhaust gas re-circulation (EGR)
Catalytic converter
Air injection

17. Automotive Systems Exhaust System Exhaust manifold and gasket
Exhaust pipe, seal, and connector pipe
Intermediate pipes
Catalytic converter(s)
Muffler
Resonator
Tailpipe
Heat shields
Clamps, gaskets, and hangers

18. Automotive Systems Electrical and Electronic Systems Ignition system
Crankshaft position
sensor
Distributor
Spark plug

19. Automotive Systems Starting and Charging Systems Solenoid
Starter Motor

20. Automotive Systems AC Generator Electronic Engine Controls
Input sensors
Microprocessor
Output devices

21. Automotive Systems Drive Train Clutch Manual Transmission
Automatic Transmission
Driveline

22. Automotive Systems Running Gear Differential Driving Axles Transaxle
Four-Wheel-Drive System
Running Gear
Suspension System
Springs
Torsion bars
Shock absorbers

23. Automotive Systems
Steering System
Rack-and-pinion

24. Automotive Systems
Re-circulating ball
Steering gears

25. Automotive Systems Brakes Wheels and Tires Master cylinder Disk brakes
Drum brakes
Brake booster
Anti-lock brake system (ABS)
Wheels and Tires

26. Automotive Systems Preventive Maintenance Typical PM Services
Engine oil

27. Automotive Systems
Cooling system

28. Automotive Systems Drive belts and battery Transmission fluid
Power steering fluid

29. Automotive Systems Additional PM Checks Brake fluid
Windshield washer fluid
Windshield wipers
Tires
Additional PM Checks