How Carburetor Works With Fuel Pump

Series Summary

The fuel pump is a key factor in the performance of your automobile. It transfers the fuel to the carburetor in low pressure fuel systems or to the fuel injector in high pressure/high performance systems. The pump is often mounted inside of the gas take to allow the fuel in the tank to cool the pump. In this free series of auto repair videos, you will learn how to diagnose and then repair or replace your car's fuel pump. Our experienced mechanic begins with an overview of the functions of carburetor and fuel injection systems, then gives you step-by-step instructions for getting to the fuel pump. Begin by draining the gas tank and raising up the car. Then you remove the drive shaft, purge tank and fuel tank. Inside the fuel tank, you will find the fuel pump. Troubleshoot the function of the fuel tank, then repair or replace it according to your diagnosis. Our expert concludes with instructions on how to put everything back together again, then test your repair job. You will notice an instant improvement in the performance of your car, thanks to Expert Village!

Video Transcript

"Hi, this is Howard Fleischmann with Community Tire and Auto Service Specialist. Today we are going to talk about the difference between carburetion and fuel injection and the reason for fuel injection and the improvements its made. In addition, we are going to take you through the steps to install a fuel pump in a tank application. This picture you see is a conventional four barrel carburetor setup that is used in today's market and mainly in a lot of the older cars. There is a picture of a couple of mechanical fuel pumps. As you can see the arms that fit into the engine block can rest on a rod that is turned by the crank case activating the pump. You can see how the fuel pump is mounted in the engine block and also how the line coming in from the fuel tank and the line coming out of the carburetor. Just for kicks I will show you what a tri-power setup looks like. We use three carburetors in line and you see this setup on a lot of classic cars. In our next clip, we will talk about fuel injection systems."