Mercruiser Mechanical Fuel Pump Testing

Testing for diaphragm leaks on a marine mechanical fuel pump. The mechanical fuel pumps on the Mercruiser 7.4 engines (GM 454) seem to fail frequently. I suspected this pump went bad because I could smell fuel in the small oil reservoir when I check it.

[@jb-vz4wb]

Great video, thank you

[@kensint0wn674]

Can hear anything, even with ear buds

[@josecrispin1140]

What part number is the fuel pump? I’m currently looking one