What’s Under the Car Hood?

The hood is a cover located over a car’s engine compartment, protecting the engine and its components. Understanding the components under the hood is essential for vehicle owners, whether for emergency interventions or gaining a better understanding of how different car parts work. The design and internal components of a car’s hood may vary depending on the make and model.

Generally, under the car hood, you will find the cooling system and engine system. These two essential components are the most visible parts when the hood is opened. However, several other components exist, though they may not be immediately noticeable at first glance.

Car Hood Components

The components visible under the hood may vary depending on the vehicle model, brand, and structure. However, the most common components found under the car hood include the following:

Engine

The engine converts fuel into mechanical energy and is considered the heart of the car. It provides the power to move the vehicle and contains cylinders, pistons, and other essential components. The engine operates similarly to an air pump—air enters, gets compressed, and mixes with fuel. This air-fuel mixture ignites, activating the pistons that rotate the engine. The exhaust gases are then expelled through the exhaust system. However, multiple parts are required for this process to function efficiently.
Battery

The battery, located under the hood, supplies electrical power to the vehicle’s starter motor and electrical system. It ensures that all electronic components in the car, including the ignition system, function correctly.
Radiator

The radiator helps cool the engine by circulating coolant through the engine block and dissipating heat through radiator fins.
Engine Coolant (Antifreeze)

Also known as antifreeze, engine coolant serves two primary purposes:
1. Prevents the engine from freezing in cold temperatures.
2. Regulates engine temperature by absorbing heat and preventing overheating.
Alternator

The alternator generates electricity to recharge the battery and provide power to the vehicle’s electrical systems.
Brake Fluid Reservoir

Brake fluid is a critical hydraulic fluid that ensures the proper functioning of the vehicle’s braking system. Drivers should regularly check and maintain brake fluid levels for a safe driving experience.
Engine Oil Dipstick

The engine oil dipstick is used to check the engine oil level. Typically found in a tube on the engine block, the dipstick is inserted into the oil reservoir to measure oil levels.
Air Filter

The air filter prevents dust, dirt, and debris from entering the engine, ensuring smooth operation. Regular maintenance and replacement of the air filter are essential for optimal engine performance.
Oil Filter

The oil filter helps remove contaminants such as dust and dirt from the engine oil, keeping the engine clean and lubricated. The oil filter plays a vital role in the engine’s lubrication system and should be replaced periodically for optimal engine health.
Windshield Washer Fluid Reservoir

This reservoir holds the windshield washer fluid, which is used to clean the front and rear windshields while the vehicle is in motion.

Why Understanding Car Hood Components is Important?

All these components under the hood work together to power the vehicle and ensure its smooth operation. Knowing how these parts function and ensuring regular maintenance is essential for vehicle longevity and reliable performance.

With a wide range of vehicle options to meet every need, Avis Filo has been providing trusted services for years. Its professional support team is always by your side, ensuring the best vehicle choices and the smoothest fleet rental processes to get you where you need to go!

Cookies are used on our platform, which are necessary to provide the content to you, to optimize the performance of the Platform and to understand the visitor profile. For detailed information about the cookies used on the platform, please review the Cookie Policy.

Processing of my identity, communication, customer transaction, marketing, and vehicle-insurance data for the purposes of tailoring the goods and services provided, based on my likes, usage habits and needs, and in this regard, sending commercial electronic messages such as advertisements, promotions, and campaigns to my contact information, and for sharing this information with the suppliers whom Otokoç procures their services for these activities.

My Offers

My Offers({{ basketProductCount }} Count)

SEE THE OFFERS

Compare