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How do you install a fuel line?

Views: 7     Author: Site Editor     Publish Time: 2020-06-08      Origin: Site


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Fuel hoses have many different positions on a car. In older vehicles, there are rims from the tank to the carburetor or injector of the fuel system. Some older vehicles have short fuel hoses connecting steel wires to fuel pumps, fuel tanks and carburetors. Over time, these hoses tend to weaken and crack, causing gasoline or diesel to leak.


Here are the main points of the article:


1.What are the types of fuel hoses?


Fuel hoses come in several forms: rubber, plastic or carbon fiber with a bonded liner, steel or aluminum. Rubber fuel hoses are more common in older cars and in the diesel industry. Rubber hoses are the best option when adjusting fuel hoses that require constant movement. Plastic hoses, or carbon fiber hoses as they are called, are the most common hose currently used in many vehicles. The hose is very durable and can withstand up to 250 pounds per square inch. Plastic hoses help maintain optimal fuel cooling performance and reduce the amount of steam. If the plastic hose moves, it breaks easily. Most plastic hoses have a quick-disconnect connector for connecting other plastic hoses and even rubber hoses. Steel and aluminum hoses are also common in old and new cars. These hoses are called fuel pipes. These pipes are very durable and can withstand pressures up to 1200 psi. However, lines tend to bend and bend easily, which creates limitations. This limitation can lead to pressure peaks in excess of 1200 psi, leading to pipe rupture. In addition, in hotter climates, the pipes will heat up, bringing the fuel to a boil.


2. How do you install a new fuel hose?

Step 1: place a new hose clamp around the new fuel hose. Make sure the fixture is installed in the proper fastening position. 

Step 2: install the new fuel hose to the fuel pump, fuel line or carburetor. Tighten the new hose clamp and secure the hose.

Step 3: place a new hose clamp around the new fuel hose

Step 4: install the new fuel hose to the fuel line and the fuel pump. Open the tank and, if you have a fuel filter, attach the fuel line to the filter to make sure the connection is tight. 

Step 5: install the mounting bolt to the neck of the filler. Open the fuel neck and be sure to tighten the bolts, then turn 1/8 turn. 

Step 6: hook the tank strap. Place the loctite on the thread of the mounting bolt. Tighten the bolt by hand and turn it 1/8 turn to secure the belt. 

Step 7: install the fuel line on the fuel pump. Before you can do this, you need to remove the transmission jack from the bottom of the car. 

Step 8: attach the rapidly disconnecting connection to the fuel hose. It is located next to a firewall. 

Step 9: connect the rapidly disconnected fuel line to the fuel rail. Check the two connections to make sure they are tightly sealed.

Step 10: fasten the rapidly disconnected connection to the fuel pump. It sits on top of the fuel tank.

Step 11: open the tank. Align the refueling port so that it can be installed. 

Step 12: install the mounting bolt to the neck of the filler. Before opening the fuel neck door, you do this and tighten the bolt finger tight and 1/8 turn.

Step 13: hook the tank strap. Fix the thread lock to the thread of the mounting bolt.

Step 14: quickly disconnect the fuel hose from the fuel line. You'll find it behind the firewall in the engine room.


3. How do you check for leaks in the fuel hose?

Step 1: reconnect the ground wire back to the battery negative. Remove the 9-volt battery protection from the lighter. 

Step 2: tighten the battery clamp. Make sure the connection is good.

Step 3: turn on the ignition. Listen for the fuel pump to start and turn off the ignition when the fuel pump stops making noise.

Step 4: use a combustible gas detector to check all connections for leaks. Smell any fuel in the air.


You can browse through our company’s high-quality fuel hoses, for further information and purchase, contact us.


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Tel: +86-311-67267751
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