Is there a gas leak in my Silverado?

I’m closely looking at a 2000 Silverado 5.3 and for the age it is in decent shape other than some rusting on rocker panels. Ideas where this may be coming from? Re: Possible gas leak from tank? Where could it be coming f Rust is usually the culprit. Re: Possible gas leak from tank? Where could it be coming f Z15 wrote: Rust is usually the culprit.

Is there a gas leak in my tank?

Re: Possible gas leak from tank? Where could it be coming f chances are sending unit top or the o-ring seal gone, or slow leak on the fuel line. either way tanks gotta get dropped. fyi oem sending units are around $500-600 plus labor Re: Possible gas leak from tank?

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.

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.

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.