
Removing a fuel tank from a Golf 1 vehicle is a complex process that requires careful attention to safety. Before attempting to remove the fuel tank, it is essential to ensure that the vehicle is properly secured and elevated to allow access to the tank. The fuel lines, filler neck, and straps holding the tank in place must be carefully undone, and the fuel tank should be drained or siphoned to prevent spills and reduce the risk of fire. In some cases, it may be necessary to drop or disturb the rear axle and brake hydraulics to access the tank. It is recommended to consult a professional or seek guidance from forums and online resources specific to the Golf 1 model.
Golf 1 Fuel Tank Removal
| Characteristics | Values |
|---|---|
| Step 1 | Remove the inspection hatch under the rear seat and the tank sender/pump. |
| Step 2 | Use a torch to peer inside and see if it's full of water/rust/muck. |
| Step 3 | If it's full of muck, siphon it out. |
| Step 4 | Undo the fuel lines in and out of the tank and remove the fuel filler neck. |
| Step 5 | Undo the straps which hold the tank on. |
| Step 6 | Drop the axle to remove the tank. |
| Step 7 | If possible, release the handbrake cables inside, and lower the front of the axle, leaving it hanging on the shocks. |
| Step 8 | If the tank is being cleaned, repaired, or replaced, ensure all fuel is removed and disposed of at a gasoline recycling centre. |
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What You'll Learn

Remove the inspection hatch and tank sender/pump
Removing the inspection hatch and tank sender/pump is a crucial step in the process of fuel tank removal for the Golf 1. Here's a detailed guide on how to approach this task:
First, locate the inspection hatch under the rear seat of your Golf 1. This hatch provides access to the fuel tank and its components. Once you've found it, carefully remove it to expose the fuel tank sender/pump.
Before proceeding, it's important to inspect the interior of the fuel tank. Use a torch to peer inside and check for any water, rust, or debris accumulation. If the tank appears clean and free of significant buildup, it may not require extensive cleaning or maintenance.
If, however, the tank is full of muck or debris, consider siphoning out the contents instead of removing the entire tank. Removing the fuel tank can be a challenging task due to seized and sheared rear axle bolts. By siphoning, you can avoid the need to detach the tank completely.
If the tank is heavily soiled or damaged, you may need to proceed with a more comprehensive cleaning or replacement. In such cases, refer to other resources or seek professional advice for a safe and effective approach.
Remember, safety should always be a priority when working with fuel systems. Take the necessary precautions, such as wearing appropriate protective gear and ensuring proper ventilation during the process.
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Drain the fuel
To drain the fuel tank of a Golf 1, you will first need to remove the rear seat to access the inspection hatch. Once you have located the inspection hatch, open it and use a torch to peer inside. If the tank is full of water, rust, or muck, you can siphon out the contents.
If you wish to proceed with siphoning, you will need to get a container to catch the fuel. Loosen the fuel line and remove the rubber hose while jacking up the left side of the car to help drain the fuel.
Alternatively, you can use a hand pump to drain the fuel. This method also allows for a visual inspection of the tank.
It is worth noting that modern pump fuel does not go bad as quickly as older fuels, so draining the tank may be unnecessary. Instead, you can add a fuel stabilizer to the tank and go for a drive. This will burn off any stale fuel and help prevent issues with gumming up lines and injectors.
If you are concerned about the fuel quality, you can also take your car to a mechanic or a radiator repair shop to have them professionally drain and clean the fuel tank.
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Undo fuel lines and filler neck
To undo the fuel lines and filler neck of a Golf 1 fuel tank, you need to first ensure that the tank is near empty. This is important because a full tank will be heavier and harder to manipulate.
Next, remove the filler cap and the three screws behind it. Then, undo the jubilee clip at the bottom and remove the 10mm bolt in the wheel arch. You can now remove the filler neck.
Before removing the fuel lines, it is important to first remove the fuel filter bracket and unclip the pipes from the body. This will allow you to slide the fuel lines out of the way without having to remove them from the tank.
Finally, to reinstall the filler neck, simply reverse the removal process. It is important to remember to reinstall the screw that grounds the ring. This screw ensures that the fuel nozzle is grounded when refueling.
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Remove straps holding the tank
Removing the straps that hold the tank in place is a crucial step in the process of taking out a fuel tank from a Golf 1 vehicle. This procedure requires careful attention to detail and a methodical approach to ensure a safe and successful outcome. Here is a comprehensive guide to assist you in effectively removing the straps that secure the fuel tank in your Golf 1 car.
Firstly, it is important to understand the design of your Golf 1 fuel tank. There are two types of tanks: one is secured by straps bolted towards the rear of the vehicle, while the other has four bolts, one on each corner. Identifying which type of tank your Golf 1 has will help you prepare for the strap removal process.
Once you have identified the type of fuel tank in your Golf 1, you can begin the process of removing the straps. Start by ensuring that the fuel tank is empty or that the fuel has been drained safely. This is a crucial safety step that must be completed before proceeding.
Next, locate the straps that hold the tank in place. Depending on your Golf 1 model, these straps may be bolted towards the rear of the car. Using the appropriate tools, carefully undo and remove the bolts that secure the straps. Take care not to drop or lose these bolts, as you will need them again when reassembling the fuel tank.
After removing the bolts, carefully release the straps. It is important to work slowly and deliberately to avoid any sudden movements or damage to the fuel tank or surrounding components. Once the straps are released, you can set them aside, creating space to access the fuel tank.
Finally, with the straps removed, you can now focus on carefully lowering and removing the fuel tank itself. This step may require additional procedures, such as dropping or removing the rear axle, as mentioned in some Golf 1 forums. Remember to refer to other resources and guides for a comprehensive understanding of the fuel tank removal process for your Golf 1 vehicle.
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Clean the tank
Cleaning a fuel tank can be a challenging task, and the process may vary depending on the make and model of your Golf 1 vehicle. Here is a comprehensive guide to help you clean the fuel tank effectively:
Prepare the Fuel Tank for Cleaning:
Start by removing the rear seat of your Golf 1 vehicle to access the fuel tank and fuel sender unit. Disconnect the battery to ensure safety during the cleaning process. No smoking or open flames should be present near the fuel tank. Next, drain as much fuel as possible from the tank using a siphoning method. This can be done by inserting a hose into the fuel tank and covering the opening with a rag. Place a catch pan or an approved vessel underneath to collect the drained fuel.
Remove Rust and Debris:
One effective method to remove rust and debris from the fuel tank is to use a "Hoover" setup. Connect a fuel pump to your car battery and attach two lengths of pipe. Connect a fuel filter to one pipe and leave the other pipe unconnected. Insert one end of the pipe into the fuel tank to "Hoover" out the rust and debris. Ensure you are wearing appropriate safety gear during this process.
Cleaning the Fuel Tank:
Once the majority of the rust and debris have been removed, it's time to clean the fuel tank. Pour some water and cleaning agents into the tank. You can use mineral spirits or ethanol to help break down any remaining fuel residue. Use the air blow gun again to circulate the cleaning agents throughout the tank. Run the air for about 20 minutes to ensure all parts of the tank are cleaned.
Drying and Final Steps:
After cleaning, pump out the water from the tank and use a shop vac to remove any remaining water. Allow the tank to dry completely before filling it with fresh fuel. You can also scrub the bottom of the tank with an old towel to ensure all residue is removed. Finally, reinstall the fuel tank and connect all the necessary components, such as the fuel lines and battery.
It is important to note that some fuel tanks may require removal for effective cleaning. If your fuel tank is severely rusted or clogged, consider seeking professional help or replacing the tank altogether. Always prioritize safety and follow manufacturer guidelines when working on your vehicle.
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Frequently asked questions
There are a few methods, but all require care and attention to safety. One method is to undo the fuel lines in and out of the tank, remove the fuel filler neck, and then undo the straps holding the tank in place.
It is important to note that there are two types of Golf 1 fuel tanks. One has straps bolted towards the rear of the car, and the other has four bolts, one on each corner. You may need to remove the exhaust and rear axle to access the tank.
It is important to remove the fuel from the tank before attempting to remove the tank itself. This can be done by siphoning the fuel into a pan or other container. Do not throw the fuel away in a garbage bag or down the drain. Take it to a gasoline recycling centre.
You will need a siphoning hose, a pan, rags, an air gun, and a torch. You may also need a saw, hacksaw, cutting torch, or grinder to remove the bolts.
Yes, it is important to be very careful when working with fuel as it is highly flammable. Never inhale on the tube to trigger the siphoning effect as this could result in gasoline entering your mouth, which is dangerous and will leave a nasty odour.











































