Katerina Swanson
The car's fuel hole is called the fuel filler inlet or the filler neck. The gas cap covers the fuel hole and the part that comes out of the gas tank filler hole is called the filler neck or pipe. There is no standardized place for the fuel filler on a car, and it can be found on either the left or right side of the car.
| Characteristics | Values |
|---|---|
| Name | Fuel filler inlet, fuel neck inlet, filler neck, filler tube, gashole, fuel input orifice |
| Location | No standardized location; usually on the left or right side of the car, at the widest part of a car, inboard of any crumple zones, and safe from dripping onto any hot exhaust bits or electrical wiring |
| Purpose | Where the user sticks the gas nozzle into to fill the gas tank |
| Other | There is a small hole at the base of the fuel filler well to allow spilled gas and rainwater to drain |
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What You'll Learn
- The fuel hole is also called the filler neck opening or fuel filler inlet
- The gas cap is the black thing that twists on to cover the fuel hole
- The fuel door is the chrome lid and ring that covers the gas cap
- The filler neck is the tube you see when you remove the gas cap
- The placement of the fuel hole varies between cars, but it must be at the widest part of a car, inboard of any crumple zones
The fuel hole is also called the filler neck opening or fuel filler inlet
The hole in a car where fuel is inserted is commonly referred to as the "fuel hole" or "gashole". However, it has various other names, including the "filler neck opening", "fuel filler inlet", "filler tube", and "fuel input orifice". The cap that covers this hole is called the "gas cap" or "fuel cap".
The filler neck opening or fuel filler inlet is the orifice where the gas nozzle is inserted to fill the fuel tank. It is typically located on one side of the car, either the driver's side or the passenger's side, and is covered by a fuel door or gas door. There is no standardized placement for the fuel filler, but regulations dictate that it should be placed at the widest part of the car, away from crumple zones, and safe from dripping onto hot exhaust bits or electrical wiring.
The fuel door or gas door is the chrome lid and ring that covers the fuel hole. It may have a bling bling design or be as simple as a black twist-on cap. Underneath the fuel door is the gas cap or fuel cap, which screws into the filler neck opening. The gas cap may have a locking mechanism to secure it in place.
The filler neck is the tube that can be seen when the gas cap is removed. It leads down to the fuel tank, and a rubber hose connects it to the tank. Some cars have a fuel filler at the center of the rear, which is now illegal due to safety concerns. In the event of a rear-end collision, the filler neck could snap off, causing gasoline to spill out and potentially leading to a fire.
Additionally, there is a small hole at the base of the fuel filler well, called the Octane/Air Separator. This hole allows spilled fuel and rainwater to drain instead of pooling in the fuel filler well. The liquid does not drain into the gas tank but rather onto the ground through a tube.
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The gas cap is the black thing that twists on to cover the fuel hole
The car's fuel hole is often referred to as the "filler neck opening", "filler tube", or simply the "gas hole". The gas cap, the black thing that twists on to cover the fuel hole, is also known as the fuel cap or gas cap. It is typically screwed or twisted into the filler neck, which is the part that comes out of the gas tank filler hole.
The gas cap plays a crucial role in securely covering the fuel hole, preventing fuel from spilling out and reducing the risk of accidents. It is designed to lock into place, ensuring that the gas tank remains sealed and secure. This locking mechanism is an essential safety feature, especially in the event of a collision.
The filler neck, which the gas cap connects to, is also an important component. It is typically 6-8 inches long and has a small flap that prevents fuel spillage. This neck connects to a rubber hose that leads to the fuel tank. It is important to ensure that the hose clamps are tightened securely to prevent any leaks.
While the gas cap covers the fuel hole, there is also an additional component known as the fuel door or gas door. This door acts as a protective cover for the gas cap and the underlying mechanisms. It is often chrome-plated or painted in a contrasting colour to the car's body, making it easily identifiable.
The terminology surrounding the car's fuel hole and its components may vary among different individuals and regions. Some people refer to the fuel hole as the "gas hole", and the fuel door as the "gas door" or "fuel input orifice". These variations in terminology reflect the diverse nature of automotive jargon and the lack of standardised naming conventions for certain car parts.
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The fuel door is the chrome lid and ring that covers the gas cap
The fuel door is an essential component of a car's exterior, serving as a protective cover for the gas cap. It is typically made of chrome and consists of a lid and a ring, which together provide a secure seal over the gas cap. This design not only enhances the vehicle's aesthetic appeal but also plays a crucial role in safeguarding the fuel system.
The fuel door's primary function is to protect the gas cap, which is the black component that twists on and seals the fuel tank. By covering the gas cap, the fuel door helps prevent unauthorised access, deterring fuel theft and vandalism. It also acts as a safety measure, reducing the risk of fuel spillage in the event of an accident or during refuelling. This protective feature is particularly important, given that fuel is highly flammable and its spillage could pose a significant safety hazard.
In addition to its security and safety functions, the fuel door contributes to the overall appearance of the vehicle. The chrome finish of the lid and ring adds a touch of elegance and shine to the car's exterior. This aesthetic enhancement is often welcomed by car owners who take pride in the look of their vehicles. Some car enthusiasts even refer to a decorative fuel door as a "bling bling fuel door".
The fuel door's design and placement are not standardised across all vehicles. While some cars have the fuel filler in the centre, others have it on the left or right side. The location of the fuel filler, and consequently, the fuel door, is influenced by various factors, including safety regulations, vehicle design, and cultural preferences. For example, certain regulations dictate that the filler should be positioned at the widest part of the car, away from crumple zones, and safe from dripping onto hot exhaust parts or electrical wiring.
Maintaining the fuel door is crucial to ensure its proper functioning and longevity. Over time, the door may accumulate dirt, grime, or debris, especially if the car is driven in dusty or muddy conditions. Regular cleaning of the fuel door can help prevent the build-up of these contaminants, maintaining the door's aesthetic appeal and optimal operation. Additionally, it is essential to inspect the door periodically for any signs of damage or wear and tear, such as broken locking mechanisms or loose fasteners, and address them promptly through repair or replacement.
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The filler neck is the tube you see when you remove the gas cap
The filler neck is also sometimes referred to as the "fuel input orifice" or "filler hole". The gas cap, which covers the filler neck, is also known as the "fuel cap" or "gas cap". The door that covers the gas cap is called the "fuel door" or "gas door".
There are no standardized rules regarding where the filler neck should be placed on a car. Current regulations state that the filler neck must be at the widest part of a car, inboard of any crumple zones, and safe from dripping onto hot exhaust bits or electrical wiring. This generally means that the filler neck is placed on one side of the car, relatively near the passenger compartment.
Some cars have a small hole at the base of the filler neck, which allows spilled gas and rainwater to drain instead of pooling in the filler neck. This hole does not connect to the gas tank; the fuel is separated from the water using a fuel filter, and the water is drained onto the ground.
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The placement of the fuel hole varies between cars, but it must be at the widest part of a car, inboard of any crumple zones
The placement of the fuel filler—the hole where you put gasoline in a car—varies between vehicles. However, it must adhere to specific regulations. For instance, it must be placed at the widest part of a car, away from the crumple zones, and safe from dripping onto hot exhaust parts or electrical wiring. This typically means the filler needs to be on one side of the car, relatively near the passenger compartment.
While there is no standardized place for the fuel filler, it cannot be positioned at the centre rear of the car, as this increases the risk of a fuel leak in the event of a collision. Therefore, it is usually located on either the left or right side of the car. Interestingly, the side chosen often depends on the car's country of origin. For example, most continental European and many American carmakers prefer the passenger's side (right side), while Japanese manufacturers tend to favour the driver's side (left side).
The fuel filler is covered by a fuel door, which can be opened to reveal the fuel cap or gas cap. This cap screws into the filler neck, which leads down to the fuel tank. The filler neck is a tube that connects to a rubber hose, which then connects to the tank. The rubber hose is secured with hose clamps to prevent it from coming loose.
There are many colloquial terms for the fuel filler, including "gas hole", "filler hole", and "fuel input orifice". The fuel door may also be referred to as a "gas door", and the fuel cap as a "gas cap" or "gashole".
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Frequently asked questions
The car's fuel hole is called the "fuel filler inlet", "filler neck", "filler neck opening", or "gashole".
Current regulations require the filler to be at the widest part of a car, inboard of any crumple zones, and safe from dripping onto any hot exhaust bits or electrical wiring. This generally means the filler needs to be on one side of the car or the other, relatively near the passenger compartment.
The small hole near the gas filler spout is a water-separating fuel filter that drains water to the ground and redirects fuel into the gas tank. It also compensates for changes in air pressure and prevents under detonation of fuel, which can kill your engine.
The gas cap is the black thing that twists on to cover the gas hole.
