This can be a frustrating challenge without the right tools.
Let Kent show you the tools he likes to use best in his free YouTube Video.
Problem & Solution
Common among these chassis:
Classic Sedans
Ponton
W110 W111 W112 Sedan
W115
W116
W123
W126
The very best hand primer pump is made by Monark. If you have an old leaking pump you will have a hard time getting the air out of your fuel system after running out of fuel or completing some type of fuel system service.
Replace your pump right away if you find it leaks fuel while pumping it by hand.