Sylvie Willis
Replacing a fuel accumulator is not a difficult task, but it does require careful preparation. It is important to make sure that there is limited gas in the line or that the line is shut to prevent gas from running out. It is also a good idea to have a fire extinguisher on hand, as some fuel spillage is likely. To remove the old accumulator, use a razor blade to gently slit the old line down the length of the metal barb and pull the line off. You can then slip a new, modern rubber fuel injection line onto the barbed fitting and tighten it with a clamp.
| Characteristics | Values |
|---|---|
| Difficulty | Not difficult to replace |
| Fuel | Keep gas to a minimum or prepare the line shut to prevent gas from running out |
| Tools | Razor blade, clamp, fire extinguisher, long-sleeved shirt, shop towel |
| Process | Gently slit the old line down the length of the metal barb, pull the old line off, slip on a new rubber fuel injection line, and tighten |
| Safety | Depressurise the system slowly to prevent fuel from flying everywhere |
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What You'll Learn
How to remove the old fuel line
To remove the old fuel line, you will need to use a razor blade or a similar sharp tool. First, you need to make sure that the fuel tank is empty or that the line is shut to prevent fuel from running out. You should also have a fire extinguisher handy in case of spillages.
Next, you need to locate the barbed fittings on the ends of the old lines where they connect to the hardlines and the high-pressure side of the fuel accumulator. Gently slit the old line down the length of the metal barb with your razor blade and pull the old line off. You can then free the other end from the barbed fitting by cutting into the cloth wrapping and through the plastic core with your blade.
Be careful to depressurise the system slowly when opening the connection to the top of the fuel accumulator to prevent fuel from spraying everywhere.
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How to prepare the new fuel line
To prepare the new fuel line, you will need to make sure that there is limited gas in the line or prepare the line shut to keep it from having gas run out of it. This is important as you are likely to spill some fuel during the replacement process. It is also recommended to have a fire extinguisher on hand as a safety precaution.
If the replacement is being made soon after the car has been run, it is crucial to slowly and carefully open the connection to the top of the fuel accumulator. This will help to depressurise the system gradually, preventing fuel from spraying everywhere.
The next step is to remove the old fuel line. The original lines typically have barbed fittings on the ends that connect to the hardlines and high-pressure side of the fuel accumulator. Using a razor blade or a similar sharp tool, gently cut into the cloth wrapping and through the plastic core to free the line from the barbed fitting. Take care not to damage the surrounding components during this process.
Once the old fuel line has been successfully removed, you can prepare the new fuel line for installation. Ensure that you have the correct type of fuel line, which is typically a modern rubber fuel injection line. Slip the new line over the barbed fitting and secure it in place with a clamp. Tighten the clamp down firmly over the barb to ensure a secure connection.
Before completing the installation, it is important to check that the new fuel line is properly seated and secured. Verify that there are no leaks or loose connections that could cause issues during operation. By following these steps, you can effectively prepare the new fuel line and ensure a safe and successful replacement of the fuel accumulator.
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How to depressurise the system
To depressurise the system, open the connection to the top of the fuel accumulator slowly and carefully. This will ensure that fuel doesn't fly everywhere. You can also blow some compressed air up through the end of the return line where the fuel is coming out to break the siphon.
To replace the fuel accumulator, you will need to take a razor blade and gently slit the old line down the length of the metal barb, then pull the old line off. A new, modern rubber fuel injection line can then be slipped on with a clamp and tightened down over the barb. The end that connects to the accumulator is held on with just a simple clamp. However, the other end is pressed onto a barbed fitting that is tightly screwed onto the hardline. Using a razor blade or similar sharp tool, you can gently cut into the cloth wrapping and through the plastic core to free it from the barbed fitting.
Make sure to have limited gas in the line or prepare the line shut to keep it from having gas run out of it. It is likely that you will spill some fuel, so have a fire extinguisher handy and wear long sleeves with the cuffs buttoned or tie a shop towel around your wrists.
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What to wear to protect yourself
When replacing a fuel accumulator, it is important to wear protective clothing to shield yourself from any fuel spillages. It is recommended to wear a long-sleeved shirt with the cuffs buttoned to prevent fuel from running down your arms. Alternatively, you can tie a shop towel around your wrists. Safety goggles and gloves are also advisable to protect your eyes and hands from any debris or fuel.
Before beginning the replacement, ensure that the fuel tank is not full and that the line is shut to prevent fuel from running out. Slowly open the connection to the top of the fuel accumulator to depressurise the system and avoid fuel spraying everywhere.
To remove the old fuel line, use a razor blade to gently slit the length of the metal barb and pull the line off. Be cautious not to cut yourself with the razor blade. A new, modern rubber fuel injection line can then be installed with a clamp, tightening it down over the barb. Ensure that the clamp is securely fastened to prevent any fuel leaks.
If you encounter fuel siphoning out of the tank during the replacement, you can use compressed air blown through the end of the return line to break the siphon. This will help to stop the fuel flow and make the replacement process safer and more manageable.
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What to do if fuel is siphoning out of the tank
To replace a fuel accumulator, you must first ensure that there is limited gas in the tank or prepare the line shut to keep it from having gas run out of it. You should also have a fire extinguisher handy, as you are likely to spill some fuel.
The old, original lines have barbed fittings on the ends where they connect to the hardlines and high-pressure side of the fuel accumulator. To remove the old line, take a razor blade and gently slit it down the length of the metal barb, then pull it off. A new, modern rubber fuel injection line can then be slipped on with a clamp and tightened down over the barb.
If the replacement must be made recently after the car has been run, then open the connection to the top of the fuel accumulator slowly and carefully. You want to make sure that you depressurize the system slowly, so that fuel doesn't fly everywhere.
If fuel is siphoning out of the tank, this could be due to a broken return line. To fix this, blow some compressed air up through the end of the return line where the fuel is coming out to break the siphon.
Alternatively, if you are siphoning fuel out of your car, you will need a siphon pump. Place the hose in the fuel tank, and insert the other end of the hose into a gas can. If you do not have a siphon pump, you can use a piece of clear hose, but this is not recommended due to the dangers it poses.
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Frequently asked questions
The old lines have barbed fittings on the ends where they connect to the hardlines and high-pressure side of the fuel accumulator. Take a razor blade, gently slit the old line down the length of the metal barb and pull the old line off.
It is likely that you will spill some fuel, so either wear a long-sleeved shirt with the cuffs buttoned, or tie a shop towel around your wrists.
If the replacement is being made recently after the car has been run, open the connection to the top of the fuel accumulator slowly and carefully. Depressurise the system slowly.
