Sylvie Willis
If you're looking to replace the fuel line on your 2003 Buick Century, there are a few things you should know. Firstly, the nylon line attached to the new vapour line is not a direct replacement; it will need to be spliced onto the original nylon line. You'll also need to remove the shipping bend from the lines labelled SA254A375B, SA254A313BB, and SA254A313CB before installing your new fuel line. You can find a video online that shows you how to do this. It's also worth noting that the connectors on the original nylon line may be damaged during removal, so you might want to purchase a repair kit with new OEM connectors.
| Characteristics | Values |
|---|---|
| Weight | 8.00 LBS |
| Shipping bend removal | Required for lines labelled SA254A375B, SA254A313BB, and SA254A313CB |
| Nylon line | Must be spliced onto the original nylon line |
| Connectors | May be damaged during removal |
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What You'll Learn
Removing the shipping bend
Before installing a fuel line on a 2003 Buick Century, a shipping bend will need to be removed from the lines labelled SA254A375B, SA254A313BB, and SA254A313CB.
To remove the shipping bend, you will need to follow the instructions in the video provided by LinesToGo. The video will show you how to remove the shipping bend from the nylon line attached to the new vapour line.
The nylon line is not a direct replacement for the fuel line. It is only a section of nylon line that will splice to the original nylon line on the vehicle. On the opposite end of the original nylon line, there are connectors. These connectors may be damaged during removal. If so, repair kits with new OEM connectors are available.
It is important to note that the shipping bend must be removed before installing the fuel line. This is a crucial step to ensure the proper functioning of the fuel system.
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Splicing the nylon line
The nylon line attached to the new vapour line is not a direct replacement. It is only a section of nylon line that will splice to the original nylon line on the vehicle.
To splice the nylon line, cut the new nylon hose in the same position as the original nylon hose. Then, cut the original nylon hose in the same position as the new nylon hose. Use the original nylon hose with the connector and attach it with the supplied union to the new nylon hose.
On the opposite end of the original nylon line, there are connectors. These connectors may be damaged during removal. If so, repair kits with new OEM connectors are available.
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Attaching the nylon line to the vapor line
The nylon line attached to the new vapor line is not a direct replacement. It is only a section of nylon line that will splice to the original nylon line on the vehicle. Cut the new nylon hose in the same position as the original nylon hose. Cut the original nylon hose in the same position as the new nylon hose. Use the original nylon hose with connector and attach it with the supplied union to the new nylon hose.
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Removing the fuel pump
To remove the fuel pump from a 2003 Buick Century, you will first need to disconnect the battery to reduce the chance of a fire. If the pump is inside the fuel tank, you will need to remove the access cover. If the pump is outside the tank, you will need to disconnect the fuel lines.
In all cases, you will need to relieve the fuel system pressure and drain the fuel tank. You can do this with a handheld siphon until the tank is less than a quarter full. Once the fuel is drained, you will need to remove the access panel above the tank in the passenger compartment. If there is no access panel, you will need to lower the fuel tank from the vehicle to gain access to the pump.
Next, you will need to remove the fuel pump supply and return hoses, as well as the EVAP system hoses and electrical connections to the pump. Once the pump is out, you can attach any reusable brackets and pick-up screens to the new pump before installing it. Finally, you should check for any fuel leaks to ensure the problem is solved.
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Replacing the fuel filter
The fuel filter in a 2003 Buick Century is located between the fuel tank and the engine. It is usually found inside the top of the fuel tank, where it connects with the fuel line.
To replace the fuel filter, you will need to drain the water and remove the filter. Depending on the application, the quick connects on the fuel filter can be removed with simple hand tools. However, the ones that connect to the fuel rails require special tools. Some newer vehicles have threaded flare nuts on one side and quick connect on the other. In this case, a 5/8 line wrench and a 21mm open-end wrench will be needed.
It is recommended to change the fuel filter every 5 years/50,000 miles, but this may vary depending on where you live and your driving habits. The owner's manual will provide more specific information about the maintenance interval for your Buick. The average cost to change a vehicle's fuel filter is between $90 and $207, including parts and labour.
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Frequently asked questions
Before installing a new fuel line, a shipping bend will need to be removed from the lines labelled SA254A375B, SA254A313BB, and SA254A313CB. The nylon line attached to the new vapour line is not a direct replacement. It is only a section of nylon line that will splice to the original nylon line on the vehicle. The original nylon line has connectors on the opposite end. These connectors may be damaged during removal. Repair kits with new OEM connectors are available.
The new nylon hose should be cut in the same position as the original nylon hose. The original nylon hose should then be cut in the same position as the new nylon hose.
The original nylon hose with connector should be attached to the new nylon hose with the supplied union.
