Mercedes Mullins
Fuel tank straps are essential components in vehicle design, responsible for securely mounting the fuel tank to the vehicle's frame or body. Removing a fuel tank strap can be a challenging task. It is recommended to have two people for this job or something to temporarily hold the tank in place while working on the straps. The process involves first removing the strap bolts, which hold up the tank, and then rotating the straps to punch out the pins and free the straps. In some cases, it may be necessary to cut the straps with a bolt cutter or grinder if they are difficult to access or remove. When removing the fuel tank, it is important to place a jack under the tank to prevent it from dropping to the ground.
Characteristics and Values of Removing Fuel Tank Straps
| Characteristics | Values |
|---|---|
| Fuel tank strap function | Secure mounting of the fuel tank to the vehicle's frame or body |
| Fuel tank strap removal | Remove all straps, use a jack to prevent the tank from falling, use a prybar to pry the tank away from the frame, and cut the strap if necessary |
| Temporary fixes for a broken fuel tank strap | Ratchet strap, bungee cord, rope, zip ties, duct tape |
| Number of straps | Typically two straps, but some long van tanks can have three straps |
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What You'll Learn
Removing a gas tank strap with a bolt cutter
Before starting, make sure you have the necessary safety gear, including eye protection, gloves, and a fire extinguisher nearby. It is important to take precautions to avoid any accidents or injuries when working with tools and flammable liquids.
Begin by locating the gas tank strap bolts. Depending on your vehicle, there may be one or multiple bolts holding the strap in place. Assess the condition of the bolts; if they are heavily rusted or seized, it may be necessary to apply a penetrating lubricant such as Kroil or PB Blaster to help loosen them.
Using a wrench or a screwdriver, try to pry against the nut to keep it from turning. This can provide the necessary leverage to break the nut free and allow the bolt to be removed. If the nut is spinning freely and cannot be accessed, you may need to cut the strap with bolt cutters to release it.
When using bolt cutters, ensure that the cutters are of the appropriate size and capacity for the job. Position the cutters as close to the strap as possible to maximize leverage and minimize the force required. Squeeze the handles firmly and steadily to cut through the strap. Be cautious and patient, as applying excessive force may damage the cutters or cause injury.
Once the strap is cut, the gas tank strap should be released. If the bolt remains stuck, you may need to consider other methods such as drilling or grinding, but always exercise caution to avoid creating sparks near the gas tank.
After removing the strap, it is important to dispose of it properly and consider replacing it with a new one. Additionally, inspect the gas tank for any damage and ensure that all connections are secure before refilling and operating the vehicle.
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Using a prybar to break a strap loose
To remove fuel tank straps, you'll need to first ensure that all the straps are removed. Some long van tanks can have up to three straps. Place a jack under the tank, a few inches away, to prevent the tank from dropping to the ground. Then, use a long pry bar to pry the tank away from the frame. There may be some resistance due to the coating on the tank that insulates and reduces vibration, so you may need to apply some force to loosen the tank.
If you're having trouble fitting a wrench into the top area, you may need to use a grinder or bolt cutter to cut the strap and drop the tank. Be careful not to damage any other components in the process. Once the strap is cut, you can use a hammer to remove the bolt.
In some cases, you may need to use a pry bar to break the strap loose. This can be done by inserting the pry bar into the appropriate area and applying force to break the strap. It is important to exercise caution when performing this step, as you don't want to damage any other components or injure yourself.
Always ensure that you have the necessary experience and knowledge to perform this task safely. If you're unsure, it's best to consult a professional or seek advice from a mechanic or automotive forum.
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Temporarily fixing a broken strap with a ratchet, bungee cord or rope
If one of your fuel tank straps breaks, it is unsafe to drive your vehicle. However, if you need to drive a short distance to get to a repair shop, you can temporarily fix the broken strap with a ratchet strap, bungee cord, or rope.
Using a Ratchet Strap
To use a ratchet strap, hook the ends near where the original strap was hooked up. Ensure that the ratchet strap isn't touching the exhaust, as it will melt its way through.
Using a Bungee Cord or Rope
If you don't have a ratchet strap, you can use a bungee cord or rope to tie the tank securely. Make sure that whatever you use is tight and isn't touching the exhaust.
Keep in mind that these are temporary fixes and should not be used as a long-term solution. The weight of the fuel tank can vary depending on how much gas is in the tank, so it is essential to get the broken strap replaced as soon as possible.
Additionally, if you have decent tools and some mechanical experience, you may be able to replace the strap yourself. You can watch videos online to guide you through the process. However, if you are unsure, it is best to consult a professional mechanic.
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Swinging the strap to slip the pin out
Firstly, understand that the pins in fuel tank straps are not designed to be completely removed. Instead, they function as trunnions within a sheet metal tab that is spot-welded beneath the vehicle. This design allows the pins to lift up and out of their respective brackets. Therefore, your goal is to create enough space to lift the pin out, rather than removing it entirely.
To begin, it is recommended to remove the fuel tank itself first. This provides easier access to the straps and simplifies the overall process. Once the tank is removed, you can focus on the straps.
Grasp one of the straps firmly and swing it to one side of the car. Use a wide, sweeping motion to ensure the strap clears the bracket. As you swing the strap, pay attention to the pin's position within the bracket. You will need to angle the strap just right to create enough clearance for the pin to slide out.
The process of swinging the strap can be tricky, and you may need to experiment with different angles and amounts of force to find the sweet spot. It may not be immediately obvious how much force to apply or in which direction to swing the strap, but with patience and careful manipulation, you'll find the correct path for the pin to slip out smoothly.
Once you've successfully swung the strap and released the pin, you can repeat the process on the other side if there are multiple straps. Remember to take your time and make sure the tank is securely supported throughout the process to avoid any accidental drops or damage.
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Removing strap bolts and punching out pins
Removing the bolts from fuel tank straps can be a challenging task, especially when dealing with rusted or frozen bolts. Here is a step-by-step guide on how to remove strap bolts and punch out pins:
Preparing the Work Area:
Before beginning, ensure you have gathered the necessary tools, such as a wrench, screwdriver, pry bar, grinder, bolt cutter, hammer, and an inductive heater or propane torch (if needed). Place the vehicle on a level surface and engage the parking brake to ensure it remains stationary during the process. Lay out some old newspapers or a drop cloth underneath the vehicle to catch any dripping fluids.
Loosening and Removing Strap Bolts:
Start by locating the strap bolts that secure the fuel tank straps to the vehicle's chassis. If the bolts are rusted or frozen, apply penetrating oil, such as Kroil or PB Blaster, to help loosen them. Try to fit a wrench or a screwdriver to the bolt head and turn counterclockwise to loosen. If the bolt is spinning and cannot be held with a wrench, use a vice grip or a crowfoot to hold it securely.
If the bolt is still not budging, you may need to drill a shallow pilot hole after center punching the bolt head. Use a drill with an appropriate drill bit size, usually M12 with a 3/8 hole cutter, and proceed slowly and carefully to avoid damage. Once the bolt head is drilled out, the strap can be removed without damage, and the bolt can be extracted easily.
Punching Out Pins:
If the fuel tank straps are secured with pins instead of bolts, you will need to punch out the pins to release the straps. Place a jack under the fuel tank to support it and prevent it from dropping. Use a punch tool or a hammer and punch set to align with the pin and apply force to drive it out. Make sure to have a secure grip on the fuel tank or use additional support to catch it as the pins are removed.
Cutting the Straps:
In some cases, it may be necessary to cut the fuel tank straps to release them. Use bolt cutters or a grinder to cut through the straps. Be cautious not to damage any surrounding components or the fuel tank itself. Once the straps are cut, the tank can be lowered and the bolts can be accessed and removed using a hammer.
Remember to work cautiously and seek professional advice or assistance if you are unsure about any part of the process.
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Frequently asked questions
First, make sure all straps are removed. Then, place a jack under the tank to keep it from dropping to the ground. Use a prybar to pry the tank down and away from the frame.
You will need a jack, a prybar, and a screwdriver.
Fuel tank straps are essential components in vehicle design, responsible for the secure mounting of the fuel tank to the vehicle's frame or body. They ensure safe and reliable fuel transportation during operation.
Some temporary fixes for a broken fuel tank strap include using a ratchet strap, a bungee cord, or a rope to tie the tank securely. Ensure that whatever you use is not touching the exhaust.
