What Prevents the Fuel System From Leaking? | YourMechanic Advice

What Prevents the Fuel System From Leaking?

Schedule Fuel is leaking from gas tank Inspection
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Leaking fuel is a hazardous and wasteful problem for a vehicle to have. Manufacturers know this, and to combat the problem they have implemented a number of simple ways to prevent fuel from leaking out of the fuel system:

  • O-rings: Small rings made out of rubber or similar flexible material. They are extremely useful at preventing liquid from leaking out of lines, hoses, and fittings. In the fuel system, O-rings are used to keep fuel from leaking around the fuel injectors.

  • Gaskets: Rubber seals that precisely match the outline of the part they are applied to. For instance, the gasket between the fuel tank and fuel pump prevents leaks because it is made to seal off the perimeter of the hole in the gas tank that the pump mounts to.

  • Hard gas lines: Much more durable than rubber hoses, hard fuel lines are used on many cars because they last a long period of time and they can withstand the abuse of being under a moving car all the time. Rubber hoses are used in the fuel system as well, but they are in accessible areas where they can be regularly inspected.

Despite all of this, gas leaks do happen. Gas is dangerous as a liquid and it produces dangerous fumes as well. A leak must be fixed as soon as it is noticed.


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Recent Fuel is leaking from gas tank Inspection reviews

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YourMechanic Fuel is leaking from gas tank Inspection Service

Average Rating

4.9/5

Number of Reviews

142

Rating Summary
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133
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Joe

42 years of experience
754 reviews
Joe
42 years of experience
Ford F-150 - Fuel is leaking from gas tank Inspection - Tarpon Springs, Florida
Joe quickly diagnosed the issue and easily explained what happened and a plan to repair the problem. Great experience!
Chrysler Town & Country - Fuel is leaking from gas tank - Valrico, Florida
Joe was very prompt and honest. There are many in this industry that are not honest. His honesty and knowledge is why I would recommend Joe to anyone looking for a good mechanic.

Verne

17 years of experience
20 reviews
Verne
17 years of experience
Toyota Corolla - Fuel is leaking from gas tank - Vallejo, California
Verne showed up on time and assist the problem in my car. He found a leaking injector and promptly applied the necessary repair in a professional manner.....
Mercury Grand Marquis - Fuel is leaking from gas tank - Vallejo, California
Verne was extremely polite and knowledgable. He told me exactly what was wrong with the car so I could purchase the parts and have them installed on a later date. While he was here, he even fixed a problem I was having with the car that had absolutely nothing to do with the service. 10/10

Brandon

19 years of experience
773 reviews
Brandon
19 years of experience
Chevrolet Spark - Fuel is leaking from gas tank - Lake Mary, Florida
Called a few hours before the appointment and stated he could be there early which was great. I had a busted fuel line which required lowering the gas tank which was too dangerous to do in the street but he explained everything and took pictures so I will not get ripped off when I take it into the shop.
Dodge Grand Caravan - Fuel is leaking from gas tank - Orlando, Florida
Brandon had a wonderful professional manner, eased the customers anxiety. Was very thoughtful when answering questions.

Matthew

32 years of experience
845 reviews
Matthew
32 years of experience
Chevrolet Malibu - Fuel is leaking from gas tank - Norfolk, Virginia
Very professional and friendly. He did not mind me hanging around while he worked, and respected my vehicle.

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