The valve model numbers are: 8100-11-T1T1, 8100-37-BB, 8100-44-BB, 8100-77-BB, 8100-84-BB, 8100-94-BB, and 8100-97-BB. All were manufactured July 2011 through December 2013. Circle Seal will ...

the existing air in the tank must exit the system as it is displaced by the fuel. When it doesn't exit properly, it is forced up the filler tube and the shut-off safety valve in the gas pump will ...