Getting gas from the pump to your gas tank is the only way to keep a car going. The fuel filler neck is a metal tube that is welded to the gas tank of a car. The gas cap resides at the end of this tube and is removed when more gas is needed for the vehicle. This part is used when gas is needed to run the car. It is subjected to grueling conditions over the years. Without a properly working fuel filler neck, it will be nearly impossible to keep your car supplied with the fuel that it needs.

The fuel filler neck is designed to last the life of the vehicle. Due to its metal construction, rust is usually one of the most common causes of this part needing to be replaced. Having a leaking fuel filler neck can be a fire hazard, which is the biggest reason why replacing it in a timely manner is important. These necks are designed to have a 45-degree tilt to them to make it easy to get the fuel in the tank. Taking a look at this part of a car from time to time will allow you to find any damage that may be present.

Looking for cracks or rust spots in the fuel filler neck can help to reduce the damage that this type of repair causes. If unsure about what to look for, then you will need to find a professional to assist you.

Here are some of the things that you may notice when it is time to get the filler neck on your vehicle repaired:

  • The strong odor of gas after filling up the vehicle
  • Fuel is spilling out from underneath the vehicle
  • Puddles of gas under the car after periods of inactivity
  • Significantly decreased fuel mileage

Due to the danger that this type of repair poses, it is important to get your fuel filler neck fixed immediately after the issues are discovered. The complexity of this type of repair is the reason why you will need to use a professional mechanic.

This article originally appeared on YourMechanic.com as How Long Does a Fuel Filler Neck Last? and was authored by Valerie Johnston.


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