Is there a fuel leak at the top of the tank?
Is there a fuel leak at the top of the tank?
I dropped the tank down in order to see the top of the fuel pump and the fuel lines, started the truck up, checked around, and couldn’t find any leaks. But, at the top of the tank near the front corner, there is a plastic 90 degree elbow sticking out. I looked around, and then found a plastic vent line that was left hanging.
Where is the fuel tank in a Chevy Silverado?
But, at the top of the tank near the front corner, there is a plastic 90 degree elbow sticking out. I looked around, and then found a plastic vent line that was left hanging. This could explain why it leaked only when the tank was full or near full.
What kind of truck has a gas leak?
As luck would have it, gas is leaking from the top front end of the main gas tank. Truck is an ’02 Avalanche, 2500 series with the 8.1 liter engine. Apparently this is a common issue with the GMT800 truck.
I dropped the tank down in order to see the top of the fuel pump and the fuel lines, started the truck up, checked around, and couldn’t find any leaks. But, at the top of the tank near the front corner, there is a plastic 90 degree elbow sticking out. I looked around, and then found a plastic vent line that was left hanging.
What to do if your Chevy Silverado has a fuel line leak?
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But, at the top of the tank near the front corner, there is a plastic 90 degree elbow sticking out. I looked around, and then found a plastic vent line that was left hanging. This could explain why it leaked only when the tank was full or near full.
What to do if your fuel tank is not venting?
If you remove the vent line from the canister, you should be able to blow through the line to the tank. Take the gas cap off first. If that line is blocked, you’ve found where the problem is.
What causes high pressure injector fuel line to leak?
The 03-07 Dodge Cummins 5.9L injector lines are known for cracking and developing leaks. They had clamp failures which allowed too much vibration in the fuel lines and that would result in their failure. Thoroughbred Diesel recommends that you replace these lines with an upgraded version for preventative maintenance before problems occur.
As luck would have it, gas is leaking from the top front end of the main gas tank. Truck is an ’02 Avalanche, 2500 series with the 8.1 liter engine. Apparently this is a common issue with the GMT800 truck.
Why did my Thoroughbred diesel fuel line fail?
They had clamp failures which allowed too much vibration in the fuel lines and that would result in their failure. Thoroughbred Diesel recommends that you replace these lines with an upgraded version for preventative maintenance before problems occur.
What to do about a leaking fuel hose?
Well I thought i fixed. Put a good clamp on that hose and put in a new WIX fuel filter and a new O ring. Went out and drove it and rail pressure never dropped during hard acceleration and no CEL, but it’s still leaking!!!
What causes a fuel leak on the driver side?
But then I looked at the rubber fuel line that comes from the tank to the fuel filter canister, it looks as if it slips onto a hard line that is then bolted onto the canister. But it looked as if the rubber line was sliding down the hard line slightly and also that there was no clamp to hold it on the hard line.
The 03-07 Dodge Cummins 5.9L injector lines are known for cracking and developing leaks. They had clamp failures which allowed too much vibration in the fuel lines and that would result in their failure. Thoroughbred Diesel recommends that you replace these lines with an upgraded version for preventative maintenance before problems occur.
What happens when the pressure in the gas tank is too high?
High pressure in a car’s gas tank may cause dangerous conditions. High gas tank pressures in a car may cause gas tank bulging, fuel line leaks, fuel pump problems, lack of fuel to the engine for combustion, dangerous conditions when opening the gas tank filler cap and potentially create fire hazards.
Do you need a return line for a gas tank?
The two line tanks dont have the return line. You dont generally need to run a return line if youre running a mechanical pump. You do need one (highly recommmended?) if you have an electrical pump. You must vent your tank in some way or you will have fuel delivery problems.
