How do you use two fuel tanks?

Two suction lines from the top of each tank, brought together at a 4-way valve, (left, right, both and none) the output of the valve connected to the fuel pump. Once you have drawn fuel from both tanks, turn the valve to “both”, switch off the engine and go home.

How does the fuel pump work in a Chevy truck?

As the main tank level drops to about 25 percent below the level in the auxiliary tank, the fuel sender and balance module energizes the fuel pump relay. This pumps the fuel from the auxiliary tank to the main tank.

Is there a fuel pump in each tank?

There are pumps in each tank. When the ignition switch is first turned on the pump will run for a few seconds then shut off if the engine is not started, so you will have to jumper the fuel pump relay to run pressure tests on those pumps.

How does a Chevy truck’s dual fuel tanks operate?

Any malfunction in either of the fuel gauge circuits will disable the system and the fuel will not be transferred from the auxiliary fuel tank to the main fuel tank. Loading…

How to change a broken fuel pump without dropping the gas tank?

TheCousinDan shows you how to change a broken fuel pump without dropping the gas tank. This time it’s done by actually cutting a hole in your car (don’t worry, it’s not as bad as it sounds). Music: NCS Def Kev https://www.youtube.com/watch?v=J2X5m… Loading…

How to remove a fuel pump from a truck?

Basic instructions on how to tip your bed and remove your fuel pump and sender assembly, replacement of the fuel pump from the sender unit and putting it back into the tank with gasket o-ring and lock ring. I also show video of the bolt hole locations on my short bed frame. Loading…

Can a bad fuel pump cause a bad gas tank?

These are notorious for getting corroded and falling off. Bad fuel pump. A stock 87 fuel system will have a pump in each tank. The hose that connects the output of the fuel pump to the metal supply line going out of the tank has gone bad. (Inside the gas tank). This is another frequent problem.

Can a car pump be submerged in gas?

Always keep enough fuel in the tank for the pump to be submerged in gas. Choose high quality car gasoline. Fuel comes through filter to the Tubine Impeller. So if the fuel contains too much impurities, it can block the filter and damage the Tubine Impeller. So please replace the Filter on a regular basis and always use high quality gasoline.