At the heart of a fuel system is the fuel pickup and sending unit, located in the car's fuel tank. While the fuel pickup sounds simple, it's really comprised of two separate systems, one to ...

Next, install the sending unit into the tank, then clip it onto the fuel pump assembly. After that, check to make sure the float arm travels freely and in its full range of motion.

How Does a Fuel Tank Sending Unit Work? Fuel tank sending units are very simple mechanisms. Basically, there's a ball at the end of an arm that floats freely in the gas in your fuel tank—when ...

Looking for a way to check how much fuel was left in his outboard motor’s small portable gas tank without crawling back to look at it, he decided to rig it up with a sending unit.

Follow along as we install a Titan 52-gallon fuel tank in our 2002 Chevrolet Silverado 2500HD Duramax diesel project!