I have a 2004 Pontiac Grand Prix and recently smelled fuel when driving and stopped at a red light. Upon further investigation I found a leak in the metal fuel supply line where it curves up into the engine compartment about an inch below where the metal connects to the black plastic line. Is there any way to safely repair this? I have called the dealership and the part is discontinued. The part number is 10339938. If I can find an aftermarket part I do t mind replacing the metal portion of the fuel line I'm just not sure how to disconnect it from the black plastic portion.