Do you need fuel return line?

Do you need fuel return line?

You don’t really “need” a return; but the car will work better if it has one, on the street. The fuel pump pressurizes fuel to send it to the carb. If the engine isn’t using much fuel (sitting still idling for example) the fuel in the line will be mostly just sitting there, getting hot.

Do you know which side of the gas tank is on?

All too often, people pull up to the pump and say “Which side is the gas tank on?” without realizing that they possessed the answer all along.

What causes gas to come out of a fuel tank?

Fuel Tank Venting. If fuel becomes trapped in the line your tank will then build pressure or vacuum until there is enough pressure to purge the vent which will cause gas and/or odor to come from the vent line. If enough pressure builds up damage could be caused to your tank.

Can you put fuel into a vented fuel tank?

Fuel Tank Venting. The fuel level of your tank changes throughout the day, even if you are not driving it. You cannot put fuel into your tank, unless you can get the air out…and you cannot withdraw fuel from your tank unless you can let air in. Up through the 1960’s, most vehicles used vented gas caps. This is simply a gas cap with a hole in it.

Can you replace a wire that is immersed in fuel?

And ethanol is a solvent so that complicates the mix. Replacing the wire altogether could be a problem, as it’s stripped right near where it comes out of the low-fuel sensor. I’m sure that replacing that whole unit would be expensive – and I’m on a budget for the time being.

How can I tell which side of my gas tank is on?

Car companies have placed that as an indicator to let you know which side your gas tank is on. The moral of this story is…check your gas gauge on your dashboard. It might just save you the embarrassment of looking like this guy:

Where does the sending wire come from on a tank?

Once you have cut the float arm to the correct length, fasten it with setscrews to the flange of the new sending unit that will be screwed into the top of the tank. The sending wire will come off a post in the center of the flange. There may also be a ground wire coming off a second post at the edge of the flange.

How do you remove a fuel gauge from a tank?

Remove the screws that hold the sending unit to the tank and take it out. Next, remove the three wires on the back of the old gauge. One wire goes to the center pin on the tank sending unit, one goes to ground, and the third connects to a 12-volt source, normally the ignition switch. Remove the fuel gauge.

How do you attach a sending unit to a fuel tank?

A strong pair of wire cutters will work with most units, but some require a hacksaw. Once you have cut the float arm to the correct length, fasten it with setscrews to the flange of the new sending unit that will be screwed into the top of the tank. The sending wire will come off a post in the center of the flange.