1972 280 SEL 4.5 (sold) 1971 280 114 Coupe (sold) 1988 300 SE 2005 jag XK8
Bleed a gas engine??? Turning on the key enables the pump for a few seconds, so repeatedly cycling the key to run ( not start) then off will fill the lines. I've never bled gas lines. Diesel, whole different animal and must be bled much like a hydrallic line in a brake system.