| A | B |
|---|
| Filters | Prevent contaminants from entering the engine, transmission, and even the vehicle cabin but allow enough fluid or airflow to keep the engine and transmission running properly. |
| Exhaust | Removes burned air-fuel mixture from the engine and muffles engine noise |
| Emissions | Emissions control systems protect the environment from vehicle exhaust. |
| Cooling | Removes heat from the engine to keep it running at the proper temperature. |
| Belts | Transfer power between components in the engine, cooling system, and charging system. |
| Wipers | Keep the windshield free of rain, snow, and other debris for clear visibility |
| Heating and Air Conditioning | Controls the temperature in the passenger compartment and defrosts the vehicle windows. |
| Powertrain and Transmission | The powertrain includes the engine, transmission, and drive axles that work in tandem to move the vehicle. |
| Fuel Management | Provides the proper mixture of air and fuel to the engine. |
