How does a truck with two fuel tanks work?
The ford dual fuel tank works big with two pipes. One pipe supplies fuel to the engine and the other power emits fuel from the fuel rail. The truck’s fuel tanks draw fuel from both tanks at the same time. They work in a chain of command, even on a big truck.
How do Chevy dual tanks work?
The dual fuel tanks on a big rig “work” by having two pipes (one for supply to the engine and the other for return from the fuel rail) between the tanks. The truck draws fuel from both tanks at the same time.
Do trucks have two fuel tanks?
When loaded or towing, a pickup does not get fabulous fuel mileage, and if you’ve ever had to tow anything of a decent size, then you know what a major hassle it is to constantly have to stop to refuel. So the dual fuel tank option became quite popular on of the “big three” manufacturers trucks, Ford, Chevy and Dodge.
Do dual fuel tanks have two fuel pumps?
Many dual fuel pump applications are inline high volume pumps. However, you can also run a combination of an in-tank pump and an inline pump. Multiple fuel pumps aren’t just for racing, some factory high performance cars utilize two or more fuel pumps.
Why is the fuel pump really two pumps in one?
Because one side of the pump diaphragm contains fuel under pressure and the other side is connected to the crankcase of the engine, if the diaphragm splits (a common failure), it can leak fuel into the crankcase.
Why do some cars have 2 fuel pumps?
Because of high volume or high pressure requirements of certain engines. A car like the Ford Shelby needs two pumps to supply enough fuel to generate 700hp. Other vehicles with direct injection, have a second pump to raise the fuel pressure high enough to inject fuel directly into a combustion chamber.
How big is the front tank on a C4500?
The C4500 came from the factory with a 40 gallon dual tank system. The front tank has a 25 gallon capacity and the rear tank has a 15 gallon capacity.
Why is my C4500 frame rail fuel transfer pump not working?
In the case of the C4500 we were working on, the fuel gauge suddenly stopped working. Another symptom of this failure was that upon filling the fuel tanks, it became obvious that the rear tank was not transferring into the front tank as it was designed to do. The front tank was the only tank that required filling.
How big is the front tank fuel tank?
The front tank has a 25 gallon capacity and the rear tank has a 15 gallon capacity. We verified with the dealer by providing the VIN number of our vehicle, the correct part number for the transfer pump, and two replacement fuel fitting seals that would fit our specific vehicle and that it was a frame mount pump.
Why is my fuel gauge not working on my C4500?
If you are reading this repair section it is probably because you suspect that there is a problem with your fuel system. In the case of the C4500 we were working on, the fuel gauge suddenly stopped working.